Hot and humid weather continues...

By: Zachary Labe , 7:37 PM GMT on June 14, 2010

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Upper level ridging continues across the eastern half of the nation as anomalous westerly 850hPa temperatures occur. This is will allow for a continued pattern with decaying cold fronts accompained by prefrontal warm southwesterly winds. Hot and humid air will return by the weeks end after midweek rainfall.

"Afternoon Thoughts" (Updated 6/14)
Good afternoon all!!! It is hard to believe my junior year has quickly come to a ceasing end. While pondering across the recess schoolyard in first grade, senior year appeared a daunting task far off on the horizon. None the less after countless new friendships, relationships, and innovative education motivations, the time has already come and approached in a matter of seconds. In an era of a crumbled economy, an importance is placed on secondary education; college is a near necessity in many peoples' opinions for success. While I am sure many of the last generation would argue success comes from hardwork and not necessarily a piece of paper (college diploma), importance is now placed on a solid educaton to guide one's ship in their future endeavors. The importance of success or just completing all of one's homework is in a majority of the youth's minds despite current cliched biases by current adults. I have been one of few fortunate enough to know from a young age what my passion is. There are thousands of people lost in a sea of abyss pondering the exact question in which I discovered an answer to years back. Therefore I have been able to base my priorities and motivations towards those endeavors and opportunities. Now as I look into future education, a critical decision arises. One could argue the benefits of any University, but in my mind I am looking for all of the benefits to allow future networking. Meteorology has a limited major field across the United States to a select few schools, especially in close proximity to my location. For years I pictured an image of myself frolicking across the grassy knoll at Penn State with a meteorology book in my hand studying under those large trees. The magnitude and size of those old trees seem smart in themselves. But as I begin to make this decision, I have second thoughts... For years I have strived to position myself with relationships with those who value the learning process. Education and knowledge never end and really only begin each day of our century long lives. To be accepted into a pretigious school such as Cornell would be my dream and strive my passion for working hard excellence. But there are thousands of kids across the nation with the same statistics as mine and many whom are much better. The separating factor is I know my where I want my future to be and I have roads to get me there. Whether or not my application points towards this ivy league school remains in question, but I suppose 70$ is worth the possibility of forever changing education and resume. But there remains the error... the personal fable... this exists for things such as the lottery. People believe "someone has to win and it could be me." In any case where ever my education turns towards, I know that the relationships and decisions I have made will only help me towards a better tomorrowland.

Also WU members, please vote in the latest poll...

"Regional Radar"

(Courtesy of NOAA)

"Regional Satellite"

(Courtesy of Penn State Meteo.)

"Regional Advisories"

(Courtesy of NOAA)

"Forecast Discussion" (Updated 6/14)
A 1020hPa high pressure will be departing over New England on Tuesday, but will still allow the northwest flow to keep generally clear skies over much of the northern Middle Atlantic. A decaying cold front will be approaching from the west in the Ohio Valley later in the day allowing for mid level and high level cirrus to overspread the region from southwest to northeast. H85 temperatures around 11-13C will keep temperatures near normal values in the 80s on Tuesday. By Tuesday night into Wednesday PWATs will be on the increase as the southwest moisture flow opens up to 1.8in precipitative waters. A weak low level jet will fuel scattered showers and isolated thunderstorms, but with the close proximity of a weak 1012hPa low pressure, stratiform rain will be the dominate threat for most areas on Wednesday. QPF ranges from .25in-.5in for most guidance with a few convective feedback problems on the GFS. The warm front will attempt to move northward on Wednesday allowing for a dirty warm sector, but it will be limited with high pressure over Newfoundland. Therefore elevated instability will dominate as clouds prevent diurnal heating maintaining LI's only around -2 and CAPE around 500j/kg. Most thunderstorm chances will be limited to along and south of interstate 76 in Pennsylvania. By Wednesday night the cold front will pass through, but cooler air will be nonexistent with H85s near 13C. Thursday will feature a northwest flow with a few orographically enhanced cumulus, but generally clear skies. Friday will feature a return to the southwest flow with increasing PWATs to near 1.5in. A few diurnal thunderstorms are also possible over the Laurel Highlands along the ridgetops. But generally most areas will be dry through Saturday night.

"Current Surface Map and Weekly History of Jet Stream Position"

(Courtesy of Weather Underground)

"Weekly Forecast" (Updated 6/14)
Tuesday- High pressure will dominate the region continuing brilliant sunshine with only a few high cirrus especially later in the day. Northwest flow will continue adding a few cumulus over the higher ridgetops in the northwestern portions of Pennsylvania. Under a northwest flow will keep temperatures near normal levels with lower humidity as dewpoints stay in the 50s and 60s. Highs will range from the mid 70s across the higher elevations to the low 80s near the Washington DC metropolitan region. Tuesday night will feature an increase in clouds as a cold front and coupled low pressure approach the region. Rainfall will move in across the region from west to east with lowering stratus. The rain shield will be generally confined to the northern portions of the region especially near northwestern Pennsylvania where up to .5in of rain is possible in a steady moderate rain. Lows will be mild generally in the upper 60s for most areas.

Wednesday- Wednesday will feature widespread stratus clouds as the cold front and low pressure approach from the west. Scattered rain showers and isolated thunderstorms will be possible most of the day especially north of the Mason-Dixon line. Most areas will receive rainfall generally ranging around .25in-.5in of rain with higher amounts courtesy of scattered elevated thunderstorms. Highs will be cooler in the low to mid 70s with a few 80s possible in the warm sector across Maryland and Delaware. In this region a few more peaks of sunshine are possible with a few scattered strong to severe thunderstorms. Damaging winds will be the dominate threat and isolated at best. Wednesday night will feature clearing skies from west to east. A few sheltered valleys may see some patchy valley fog with visibilities below 1mi later in the night. Lows will be in the low to mid 60s for most areas as drier air moves in

Thursday- High pressure will approach the region again under a northwest flow with very slightly cooler temperatures near normal values. Humidity levels will be a bit lower also with dewpoints in the low to mid 60s. Highs will range from 80F over the mountains to near 85F across the I-95 corridor with cooler air over the coastal waters courtesy of the sea breeze. Sunshine will be widespread over the region with any fog burning off by 9am. Thursday night will feature clear skies and cooler temperatures as dewpoints will be slightly lower. Radiational cooling will allow lows to drop into the mid to upper 50s for many areas.

Friday- Friday will feature a turn towards warmer and more humid air as the wind turns out of the southwest. Partly cloudy skies will dominate the region's weather with a few larger cumulus over the Laurel Highlands. A few pulse thunderstorms are possible over the ridgetops later in the day courtesy of elevation enhanced precipitation, but most all areas will be dry throughout much of the day. Any areas though that do see a thunderstorm, will be at threat to heavy rain from slow moving flash flooding. Highs will approach 90F for southern areas into Maryland/Delaware and southern Pennsylvania with mid 80s over the northcentral mouintains in Pennsylvania. Friday night will feature humid conditions with dewpoints in the upper 60s and low 70s featuring patchy fog and muggy conditions as lows drop into the upper 60s.

Saturday/Sunday- The weekend will feature hot and humid conditions with highs in the mid 80s to near 90F along with a chance of diurnal isolated thunderstorms Saturday with a more organized threat of thunderstorms towards Sunday. Sunshine will dominate the skies both days for a nice weekend outdoors despite the heat and humidity.

"Wildfire Outlook" (Updated 6/14)
Late meteorological Spring and meteorological Summer often lead towards spotty mesoscale rainfall. Essentially therefore rainfall falls generally in spotty convective events. Similar to lake effect snow, areas a few miles away may note heavy rain accumulations in excess of 1in, while another region nearby reports drizzle. For instance this month my rainfall is around an inch and a quarter, but Middletown (20min to my south) is reporting well over three inches of rain. Therefore lawns and foliage are beginning to turn brown here along the Blue Ridge. In general drought conditions are very difficult to define during the summer season unless a general absence of rain has been noted regionwide. Wildfire season is quickly coming to an end and this will be the last wildfire outlook until next Fall. All foliage is out and green, and general drought conditions are nonexistent over Pennsylvania, Maryland, and Delaware except for isolated locations. This outlook will be replaced by a quick Chesapeake Bay and Atlantic Coastline forecast section. Brushfires and forestfires were relatively limited this Spring as rainfall was generally very plentiful and there was a quick start to the green foliage season across the countryside courtesy of very warm weather. Drought conditions, fortunately, have been relatively limited during the past 5-10 years or so across Pennsylvania, Maryland, and Delaware. Yes there have been a few dry periods, but in general they have not lasted more than a few months. The most severe drought in recent memory was during the late 90s with many water conservation bans in place during this time period. Looking ahead there are not any starch signs of drought conditions approaching as wet moisture anomalies are continuosly being noted on long term climate models such as the CFS.

Here again are the fire criteria for development in Pennsylvania... Link.

Criteria for rapid initiation and spread of wildfires in PA:

1. Winds must be sustained at 15 mph (13 knots) for two hours or more, and

2. Minimum Relative Humidities (which usually occur in the afternoon) must be 30 percent or less, and

3. 10-hour Fuel Moistures must be 15 percent or less (and expected to remain there for two or more days).

"Fire Outlooks from Storm Prediction Center Days 1, 2, and 3"

(Courtesy of NOAA)

"Gardening Outlook" (Updated 6/14)
After unusually mild weather for the last several months, gardening has been an extended season so far along with generally plentiful rainfall except for a few of us along the rainshadow region in the northern Lower Susquehanna Valley. Anyways this past weekend I finally got around to digging up my cool weather crops including the last of the lettuce, spinach, broccoli, and cauliflower. My broccoli had an absolutely terrific year with large heads that were very flavorful. My cauliflower on the other hand had a terrible year, because after each began to form a head they quickly bolted and went to seed/flower. I even tried blanching it by protecting the leaves, but had little to no success. Perhaps the unusually mild weather was a bit too much for the sensitive plants. The lettuce and spinach had another successful year, and I will be sad to see it go despite giving much away due to too much excess. My Swiss Chard and Onions remain and are still being harvested when needed. For those who have not planted Swiss Chard, it has a wonderful flavor, adds color to the garden, and grows with little to no maintenance. My celery plants continue to grow and look very healthy. The topsy-turvy strawberry plant has been producing several strawberries, which are small but have a wonderful flavor. In general I will consider the planter a success. My other experimentation planters are doing wonderful, the potato barrels. My potato plants are growing at such an incredible rate and are now showing white flowers. I am quite pleased, but I guess the true test will come during harvest later in the year. My blueberry plants are doing well, and I finally found some cheese cloth for bird protection this summer to hopefully salvage the berry harvest. Yesterday I finally planted my tomato plants, cucumbers, zucchini, and peppers. Yes I know I am a bit late, but better late than never. I planted Early Girl, Roma, and Cherry tomato plants and Big Bertha Pepper Plants. My watermelon plants are not growing too much this year, unlike last year, but still I guess it is too early to tell if they will be successful. Last year I picked the melons too early and it never ripened so if anyone has any methods to tell when to pick a melon, feel free to mention them below. I also picked all of my sugar snap peas and then planted yellow wax beans in their location. I find yellow beans have a 100% better flavor than their sister green beans.

Looking ahead at this week, widespread rainfall and convective chances exist around the Wednesday time period in whic most locations will receive around .25in+ of rain, but hot and dry weather resumes for the weeks end before the next cold front approach in the Sunday time frame. Watering needs will be likely early in the week and late in the week as the hot weather will continue to beat on the soil as we enter the time of year with the strongest solar radiation. Happy Gardening!!!

"Soil Moisture Anomalies and 5-day Precipitation Amounts from Hydro Prediction Center"

(Courtesy of NOAA)

"Severe Weather Outlook" (Updated 6/14)
Severe weather chances remain limited to one potential this week during the Wednesday time frame. A cold front will be approaching from the west as the surface low tracks across the Ohio Valley. A warm front will attempt to move northward over Maryland and Pennsylvania, but will make little progress with high pressure departing off of Newfoundland. PWATs will increase Tuesday night with widespread stratiform rain trailing over northern Pennsylvania with widespread cloud cover south to the Mason-Dixon line. As the cold front closes in the warm sector will generally be limited to the Maryland-Delaware region, but even there dense stratus clouds may keep a cap on activity. At this point the GFS generates meager CAPE around 1000j/kg or below in this period, and most of the instability remains elevated. But if the warm front can progress a bit farther north, this will push the stratiform rains farther north into upstate New York. This will be something to watch. In any case the severe weather potential during this time period remains below 15% and generally confined to south of the Pennsylvania-Maryland border. Winds aloft remain around 30knots 0-6km shear levels, so nothing impressive, but still relatively strong. Later in the week diurnal convective chances increase as the flow turns out of the southwest with increasing heat and humidity. Daily CAPE levels will reach 2000j/kg, but with a lack of an organized trigger, most pulse thunderstorms wil be limited to orographically enhanced locations. The Laurel Highlands will be favored in this time frame with the highest threat featuring heavy rain and flash flooding. But still a wet downburst could produce a damaging wind gust or two. By the end of the upcoming weekend, it appears another cold front approaches the region with again the potential of stronger thunderstorms. All in all though this week, severe weather and general convective chances will be limited.

"Severe Weather Outlooks from Storm Prediction Center Days 1, 2, and 3"

(Courtesy of NOAA)

"Monthly Outlook" (June)
As noted by many, since about March temperatures across much of the region east of the Mississippi have maintained well above normal values. In fact some areas have seen some of the warmest Aprils on record for major metropolitan regions. And looking ahead there does not appear to be any major pattern changes. In fact the ECWMF and GFS consistently point to a very warm weather regime across the eastern seaboard in the 15 day time frame. H85 anomalies are well above normal values in this range with increasing upper level ridging over the region with a possible favorable Bermuda high development. The 5/16/10 6z GFS is now printing out its first 90 degree 2m values for KMDT in the end of the two week time frame as H85s rise above 14C. There have also been some interesting ENSO developments, which pose a lot of questions for long term weather predictions. Recent cool SST upwellings have developed across the western and eastern Pacific with very few positive anomalies. It is safe to note the strong El Nino has finally come to a cease. Northern Pacific SSTs in fact have surged well below normal anomalies therefore defining a strongly negative PDO. All Nino regions have now surged below +.5C now with neutral values. All tropical Pacific SSTs are nearly near negative values with already an evident ongoing easterly wind anomaly. So yes I am signaling a possible, dreaded La Nina. I must say I am a bit surprised, but not surprised at this development. Since about mid March, it was evident the higher positive SST anomalies were beginning to fall, but they have been falling at an incredible rate in fact. Several global ENSO models noted this development back in the winter signaling a strong La Nina, but many dismissed this as too extreme. While at this point forecasting a moderate or strong La Nina would be pointless, it is critical to note that this may be a slight possibility down the road. This tumultuous period across the tropical Pacific is definitely unusual going from a record La Nina to a very strong El Nino (strongest since 1998), and a radical switch to a La Nina. At this point I am going conservative with my Nina prediction until I see further evidence. This will be something critical to watch for next winter. In any case what does this all mean for June...

Temperature- I am going to go with normal to slightly above normal temperatures. I do think after these well above normal positive temperature anomalies, we will relax for a period again using my own little balance of equilibrium theory. Still though with very little cool air in Canada, I see nothing that would lend itself in the cooler than normal department. Positive anomalies will probably range from (+0.3)-(+0.9)F. We will likely see at least one heat wave (period of 3+ 90F high temperature days in a row). But also some cooler weather is likely as noted by external global wavelengths. General global forecast models are hinting at normal temperature anomalies, but generally speaking they have been running a bit too cool recently.

Precipitation- For precipitation MJO patterns indicates normal to above normal precipitation with several rainy periods likely in June. These rainy period will likely be in correspondence with the cooler than normal temperature periods. Rainfall anomalies will likely range from (+0.25")-(+0.75"). Isolated convection will cause localized areas to receive lower than normal values and higher than normal values depending on geographic placement. Several severe weather outbreaks are likely and I actually think the frequency of severe weather days will be higher than normal across the entire Middle Atlantic region. We have already noted several impressive and unusual convection days this 2010 season.

"Temperature and Precipitation Outlooks from Climate Prediction Center for next 30 days"

(Courtesy of NOAA)

"Learning Corner" (Updated 6/14)
As tropical season kicks off with an invest in the central Atlantic, effects often are also felt along the Middle Atlantic coast at some point during the tropical season. To review some of the forecasting techniques for inland tropical storm effects, it is critical to note the importance of possible PRE events...

Predecessor Rain Events (PRE) situations occur around 500-700 miles in three possible locations ahead of a tropical system. Either in the left quadrant from the storm, the right quadrant, or directly ahead of the storm. Typical regions of concerns are in the front entrance of an upper level trough which for this situation puts the area mentioned above in the highest threat. The mesoscale event is difficult to predict for placement and timing, but most times produce some localized every heavy rainfall with even mesoscale rainfall totals occurring in isolated locations. Several of these events have produced over 6inches in an isolated favorable orographic lift location. The moisture is fed by a strong low level jet ahead of a tropical system allowing moisture to stream up the right side of the upper level trough. These events occur in a narrow corridor of heavy rainfall that trains over the same location. Most recently tropical storm Hanna back in September 2008 produced this in nearly the same location as the forecast event in this situation. Up to 4inches of rainfall fell in eastern Pennsylvania.

It is always importance to note the importance of a low level jet influence in correlation with an anomalous plume of gulf moisture +2SD. PWATs typically must reign around or above 2in. Many times these areas of heavy rain are picked up on local high resolution models such as the 4km WRF, but often on the lower resolution, such as the GFS, these are typically just included as areas of 1in stratiform rain areas. It is equally important to note QPF charts, 750mb, and 500mb charts to note the trough axis position and low level jet influences. These PRE areas have been noted in the past to produce copious amounts of rain even before the main synoptic rainfall. These also occur in highly sheared environments therefore enhancing the potential for elevated convection including isolated severe weather. These PRE events tend to stay stationary for about a 12hr period with embedded thunderstorms and isolated severe weather. Remember the tornado that occurred in Allentown during the PRE from Tropical Storm Hanna, and how there was no warning given.

An example of a PRE NEXRAD radar image would be Hurricane Rita and the heavy rain plumes located north of the center of circulation...

(Courtesy of Albany EDU)

For more information visit this site... Link.

"Here north of Harrisburg 2010 statistics"
(Severe Weather Stats...)
Severe Thunderstorm Watches- 5
Severe Thunderstorm Warnings- 5
Tornado Watches- 1
Tornado Warnings- 0
Total Thunderstorms- 9

(Precipitation Stats...)
Flood Watches- 3
Flood Warnings- 1
Monthly Precipitation- 2.42inches
Yearly Precipitation- 16.64inches

(Temperature Stats...)
Heat Advisories- 0
Excessive Heat Warnings- 0
90degree days- 7

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184. TrentonThunder
2:45 AM GMT on June 26, 2010
Quoting Blizzard92:
Incredible stretch of above normal temperatures... (KMDT)

March temperature anomaly... ( 5.8F)
April temperature anomaly... ( 4.1F)
May temperature anomaly... ( 3.0F)
June temperature anomaly... ( 4.3F) to date


I hear that. Philly will be real close to breaking an all-time June record temp but I think it will fall a hair short. That cooler air forecast for June 30th will be the record killer.

Monday might be the first true-blue hot & humid day for Southeast PA, NJ, DE, MD. Dewpoints may remain in the low-mid 70's all day for the first time this year. Dewpoints have been in the 60's in most locations at time of max temperature so far.

I really wish on-air Meteorologists would emphasize a dewpoint scale like the one I have below because it's so much easier for the public to understand. Forget %Relative Humidity, nobody gets it, a complete waste for the general public. This is basically the dewpoint scale I stick to:

LEV-5 80<: Extremely High Humidity (Very rare in this area)
LEV-4 75-79: Very High Humidity
LEV-3 70-74: High Humidity
LEV-2 65-69: Moderate Humidity
LEV-1 60-64: Slight Humidity
LEV-0 >59: Low Humidity

Simple as that...

Possible Maximum Heat Index for Saturday-Sunday-Monday
Mount Pocono: 82-87-84
Wilkes Barre: 85-92-92
Williamsport: 86-96-92
Allentown: 89-96-97
Reading: 91-99-97
Harrisburg: 91-98-97
New York: 89-89-94
Trenton: 91-97-103
Atlantic City (10 Mi Inland): 91-101-104
Philadelphia: 96-102-105
Dover: 93-101-106
Baltimore: 97-102-101
Washington: 97-107-101

After we drop below avg temp June 30th - July 2nd, looks like we pop up above average again July 3rd - 9th. Might not see a drop of rain from June 29th through July 9th.
Member Since: December 17, 2009 Posts: 0 Comments: 796
183. Zachary Labe
9:33 PM GMT on June 25, 2010
Incredible stretch of above normal temperatures... (KMDT)

March temperature anomaly... (+5.8F)
April temperature anomaly... (+4.1F)
May temperature anomaly... (+3.0F)
June temperature anomaly... (+4.3F) to date
Member Since: December 14, 2007 Posts: 281 Comments: 15082
182. originalLT
7:52 PM GMT on June 25, 2010
That's alittle scary Blizz, that we can get a tornado here in Ct. right near the coast, like I am in Stamford.
Member Since: January 31, 2009 Posts: 0 Comments: 7403
181. Zachary Labe
6:07 PM GMT on June 25, 2010
It is official... EF1 tornado touched down in downtown Bridgeport, CT. Although most of the damage was from straightline winds.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
180. TrentonThunder
2:32 PM GMT on June 25, 2010
PHILLY METRO AREA LOCAL STORM REPORTS

06/24/2010 0245 PM
Phoenixville, Chester County.
Thunderstorm wind damage, reported by trained spotter. Large tree limbs down across the area.

06/24/2010 0250 PM
ESE Glen Echo, Chester County.
Thunderstorm wind damage, reported by trained spotter. Extensive tree damage in Glenmoore. Widespead tree down throughout the County with several on houses and cars.

06/24/2010 0300 PM
Exton, Chester County.
Thunderstorm wind damage, reported by trained spotter. Trees and wires down in Exton

06/24/2010 0320 PM
Ridley Park, Delaware County.
Hail e1.00 inch, reported by trained spotter. Quarter size hail in Ridley Creek State Park

06/24/2010 0320 PM
2 miles SSW of Aldan, Delaware County.
Hail e1.00 inch, reported by trained spotter. Quarter size hail in Havertown

06/24/2010 0325 PM
2 miles SW of Morris Park, Delaware County.
Hail e1.00 inch, reported by trained spotter. Quarter size hail in Upper Darby

06/24/2010 0328 PM
Lansdowne, Delaware County.
Hail e1.00 inch, reported by trained spotter. Quarter size hail in Lansdowne

06/24/2010 0330 PM
Drexel Hill, Delaware County.
Hail e1.50 inch, reported by trained spotter. 1 and a half inch hail.

06/24/2010 0330 PM
Drexel Hill, Delaware County.
Thunderstorm wind gust m76.00 mph, reported by trained spotter. 76 mph wind gust measured with several trees down on houses and garage crushed in Drexel Hill

06/24/2010 0330 PM
Springfield, Delaware County.
Thunderstorm wind damage, reported by trained spotter. Numerous large trees down with property damage in Springfield

06/24/2010 0330 PM
Clifton Heights, Delaware County.
Thunderstorm wind damage, reported by trained spotter. Numerous large trees down with property damage in Clifton Heights.

06/24/2010 0330 PM
Yeadon, Delaware County.
Hail e1.75 inch, reported by trained spotter. Golf Ball size hail in Yeadon

06/24/2010 0330 PM
Sharon Hill, Delaware County.
Thunderstorm wind damage, reported by amateur radio. Tree blocking calcon hook Road

06/24/2010 0330 PM
NNE Newtown Grant, Delaware County.
Thunderstorm wind damage, reported by amateur radio. Trees down, traffic lights out.

06/24/2010 0330 PM
Philadelphia, Philadelphia County.
Thunderstorm wind damage, reported by NWS employee. Several large trees down near citizens bank Ball Park in Philadelphia.

06/24/2010 0330 PM
Philadelphia, Philadelphia County.
Hail e1.00 inch, reported by trained spotter. Quarter size hail along with numerous trees down in Clark Park and other portions of the city.

06/24/2010 0330 PM
Philadelphia, Philadelphia County.
Thunderstorm wind damage, reported by broadcast media. Widespead trees down with vehicle damage and property damage throughout the city.

06/24/2010 0331 PM
Philadelphia Intl is park, Delaware County.
Thunderstorm wind gust m75.00 mph, reported by ASOS. 65 knots measured at Philadelphia Intl Airport

06/24/2010 0335 PM
Haddon Heights, Camden County.
Thunderstorm wind damage, reported by trained spotter. Trees down in hadon heights

06/24/2010 0340 PM
5 miles W of Springdale, Camden County.
Thunderstorm wind gust e60.00 mph, reported by trained spotter. Wind gusts estimated to 60 mph.

06/24/2010 0345 PM
Voorhees, Camden County.
Thunderstorm wind gust e60.00 mph, reported by trained spotter. 60 mph wind gust estimated.

06/24/2010 0345 PM
Blackwood, Camden County.
Thunderstorm wind gust e55.00 mph, reported by trained spotter. Tree limbs down.

06/24/2010 0345 PM
Lindenwold, Camden County.
Thunderstorm wind damage, reported by NWS employee. Two trees snapped in half in Lindenwold

06/24/2010 0345 PM
3 miles WSW of Voorhees, Camden County.
Thunderstorm wind damage, reported by trained spotter. Numerous trees and wires down in HI-Nella

06/24/2010 0345 PM
Stratford, Camden County.
Thunderstorm wind damage, reported by broadcast media. Numerous trees down in Stratford

06/24/2010 0350 PM
1 miles SSW of turnersvillerhees, Gloucester County.
Thunderstorm wind damage, reported by trained spotter. Trees down and building collapsed in Washington TWP.

06/24/2010 0400 PM
Philadelphia Intl nersvillerhees, Philadelphia County.
Thunderstorm wind damage, reported by trained spotter. Trees and power wires down, along with trolly wires knocked down in University City area of Philadelphia

06/24/2010 0400 PM
Newark, New Castle County.
Thunderstorm wind damage, reported by Emergency Mngr. Trees down in Newark.

06/24/2010 0400 PM
Atco, Camden County.
Thunderstorm wind damage, reported by NWS employee. Trees/wires down in Winslow/Atco area with nickel size hail

06/24/2010 0400 PM
Pine Hill, Camden County.
Thunderstorm wind damage, reported by trained spotter. Trees down with damage to a shed in Pine Hill

06/24/2010 0410 PM
Shamong, Burlington County.
Thunderstorm wind damage, reported by trained spotter. Trees down on roadway in Shamong and a tree landed on a car.

06/24/2010 0413 PM
New Castle, New Castle County.
Thunderstorm wind gust m70.00 mph, reported by ASOS. 70 mph wind gust at New Castle Airport

06/24/2010 0415 PM
Bear, New Castle County.
Thunderstorm wind damage, reported by trained spotter. Trees down in bear
Member Since: December 17, 2009 Posts: 0 Comments: 796
179. TrentonThunder
12:47 PM GMT on June 25, 2010
Wish I knew how to post photos on here. Buddy sent me a few photos from south Philly of some large trees down across Broad St and one tree split down the center like a banana peel.

Anyone wanna help me with that?

Wow, just checked you tube of the Phillies/Indians game yesterday and there's a whole bunch of videos like that.
Member Since: December 17, 2009 Posts: 0 Comments: 796
177. RkTec
3:31 AM GMT on June 25, 2010
Got nothing here near Allentown. Been getting missed to the north and south all week.

Saw this video from Philadelphia today during the Phillies game.

Member Since: January 27, 2009 Posts: 0 Comments: 384
176. Zachary Labe
2:06 AM GMT on June 25, 2010
Quoting originalLT:
Hi Blizz, and all, I received only 0.05" of rain. My computer could not run the tornado footage you sent on post #171.I'll try to find it on YouTube.

Yea try to find it; it is definitely worthwile. Looking at it, most likely it is a wet microburst.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
175. originalLT
1:47 AM GMT on June 25, 2010
Hi Blizz, and all, I received only 0.05" of rain. My computer could not run the tornado footage you sent on post #171.I'll try to find it on YouTube.
Member Since: January 31, 2009 Posts: 0 Comments: 7403
174. TrentonThunder
9:47 PM GMT on June 24, 2010
News reporting extensive damage in philly
Member Since: December 17, 2009 Posts: 0 Comments: 796
173. TrentonThunder
9:32 PM GMT on June 24, 2010
My buddy just called me from residential south Philadelphia near Broad & 17th saying its like a disaster with trees & wires down and his gym closed because part of its roof blew off. Plenty of hail & lightning too.

I believe if you look on You Tube or watch sports highlights tonight you'll see workers struggling with the tarps when the storm hit at the Phillies game.

Wow, scary that that video got cut off!
Member Since: December 17, 2009 Posts: 0 Comments: 796
172. Hoynieva
9:27 PM GMT on June 24, 2010
that went well with my nearly simultaneous post, Blizz, haha.


Wow, yeah, definitely a tornado. That woman is lucky that window didn't get blown into her face. Jeez...
Member Since: January 20, 2009 Posts: 0 Comments: 1503
171. Zachary Labe
9:24 PM GMT on June 24, 2010
Awesome video of possible tornado in Bridgeport, CT!!!
Member Since: December 14, 2007 Posts: 281 Comments: 15082
170. Hoynieva
9:24 PM GMT on June 24, 2010
you guys probably already saw this, but what the heck:

***Severe thunderstorms have hit the East Coast, with one causing widespread damage in Connecticut's largest city.

Bridgeport Mayor Bill Finch declared a state of emergency Thursday. Residents in the town reported they saw a tornado touch down, but there is no official word from the National Weather Service thus far.

More than 57,000 United Illuminating customers were reportedly without power in Bridgeport after the storm, which blew 78 mph wind gusts when it struck about 2:25 p.m., pushed through the town.

Finch says there are multiple injuries, but no reports of fatalities. He says there are blown out windows, uprooted trees, and facades ripped off buildings. He says there are reports of partial collapses of buildings...***
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169. wxgeek723
9:21 PM GMT on June 24, 2010
We got a real hit down here southern Camden County, NJ about 4 miles east of Camden and 6 miles east of Philadelphia. Rain gauge recorded 0.93 inches of rain in about 15-20 minutes. 75-80 mph wind gusts. The rain was falling down 100% horizontally with very low visibility. Loud yet infrequent thunder. Not much lightning. No hail.

Many broken tree branches literring the yards. The garden corn also got turned over, but that should stand back up soon. Looks like the worst damage was across the river in Philly and Delaware County, PA. At least it benefits the dormant brown grass in my yard...
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168. originalLT
8:58 PM GMT on June 24, 2010
Yeah, Hoynieva, I see that about the Storm in NW Jersey, it still might make it down here , not giving -up yet!
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167. Hoynieva
8:54 PM GMT on June 24, 2010
So much for that...it's fizzling out. Oh well, time to water the garden.
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166. TrentonThunder
8:41 PM GMT on June 24, 2010
Hit 97 here today, max heat index 100.
Philly Int'l hit 97, max heat index 100.
Atlantic City hit 99, max heat index 103.
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165. Hoynieva
8:32 PM GMT on June 24, 2010
There's another strong cell just entering NW New Jersey headed Southeast...hopefully this not only holds together, but strengthens and rolls right over us :)
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164. originalLT
8:21 PM GMT on June 24, 2010
Thanks for the report TT. Sounds like my area, missed me here for the most part, but just a few miles to my North and East they got bombed!
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163. TrentonThunder
8:17 PM GMT on June 24, 2010
Philly International recorded a 75MPH gust. Weather Underground Nexrad showed a tornado signature just south of Philly near Woodstown NJ from 3:52 - 3:57. Complete miss in Trenton, not a drop.
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162. Hoynieva
7:53 PM GMT on June 24, 2010
Quoting originalLT:
Looks like a strong storm went thru NYC, basically from Mid-Manhatten northward up thru the Bronx. and extreme lower Westchester.


Yeah, my girlfriend is at work in midtown and I'm at home now (though I work just south of her) and she said it got really dark and there was a lot of thunder and lightning with some rain, but it didn't last too long. Here in Brooklyn I could see it go by to our north and not even a drop fell. I'm still hoping something pops up on top of us. The Sun went away about an hour ago after we reached 96 degrees.
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161. TheRasberryPatch
7:41 PM GMT on June 24, 2010
Quoting Blizzard92:

Looks like a few wind damage reports coming out of downtown Lebanon.


at Paramount my truck was getting bounced around a bit just sitting there waiting for the heavy rain to stop.

i must say that the air wasn't too bad before the storm. a nice stiff breeze. now it seems like the air is more calm and more humid. i wonder if that will bring about strong storms for later?
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160. originalLT
7:29 PM GMT on June 24, 2010
Looks like a strong storm went thru NYC, basically from Mid-Manhatten northward up thru the Bronx. and extreme lower Westchester.
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159. Zachary Labe
7:27 PM GMT on June 24, 2010
Quoting TheRasberryPatch:
i had a wind gust of 29 mph. heavy rain for a bit. i think it was mostly just to my north in Palmyra north of 322. I was at Paramount and they got a lot of heavy rain. 0.13" of rain for me

Looks like a few wind damage reports coming out of downtown Lebanon.
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158. originalLT
7:19 PM GMT on June 24, 2010
Big Storm heading right towards the Philadelphia area, Should be there in 15-20 mins.or so.
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157. baxtheweatherman
7:16 PM GMT on June 24, 2010
Those storms really disintegrated last night. We got maybe .25 inches and distant thunder. They called the thunderstorm warning too early. This mornings storm was much more violent with wind and downpours, although I don't think we got much more rain than last night. Now the humidity is terrible!
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156. TheRasberryPatch
6:59 PM GMT on June 24, 2010
i had a wind gust of 29 mph. heavy rain for a bit. i think it was mostly just to my north in Palmyra north of 322. I was at Paramount and they got a lot of heavy rain. 0.13" of rain for me
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155. originalLT
6:59 PM GMT on June 24, 2010
Now BLizz, a 75 mph gust is impressive! I'm actually glad we missed that. I like alittle excitment but that can cause some damage.
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154. originalLT
6:56 PM GMT on June 24, 2010
There is one more line way up in NYS. passing thru the Binghamton area. I wonder if this line will make it down to my area in 4-5 hours?
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153. Zachary Labe
6:56 PM GMT on June 24, 2010
Quoting originalLT:
Yup, they broke into my local radio station for a weather warning. Again I missed most of the heavy stuff. The sun is out and shining here in Cos Cob, we only had litterally, a few drops here.

Bridgeport measured a gust of 75mph!
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152. originalLT
6:54 PM GMT on June 24, 2010
Yup, they broke into my local radio station for a weather warning. Again I missed most of the heavy stuff. The sun is out and shining here in Cos Cob, we only had litterally, a few drops here.
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151. Zachary Labe
6:25 PM GMT on June 24, 2010
Quoting originalLT:
Thanks, it seems the bulk of it is sliding by just to my north and NE. I am at work nw in Cos Cob CT, which is a mile East of Greenwich, and the sun is still out here. Looks like I may get some light showers here in 1/2 hour or so.But my house I think caught the tail end of that line. I'll check the rain guage when I get home this evening.

You are under a tornado warning just to your east!

* TORNADO WARNING FOR...
SOUTHERN NEW HAVEN COUNTY IN SOUTHERN CONNECTICUT...
FAIRFIELD COUNTY IN SOUTHERN CONNECTICUT...

* UNTIL 245 PM EDT...

* AT 214 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR TRUMBULL...
OR NEAR BRIDGEPORT...MOVING EAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MILFORD AND ORANGE
Member Since: December 14, 2007 Posts: 281 Comments: 15082
150. originalLT
6:17 PM GMT on June 24, 2010
Thanks, it seems the bulk of it is sliding by just to my north and NE. I am at work nw in Cos Cob CT, which is a mile East of Greenwich, and the sun is still out here. Looks like I may get some light showers here in 1/2 hour or so.But my house I think caught the tail end of that line. I'll check the rain guage when I get home this evening.
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149. Zachary Labe
6:05 PM GMT on June 24, 2010
Quoting originalLT:
Thanks Blizz for the report. Looking at the map, I know you said you are 10 miles NE of Harrisburg, is that near Linglestown?

Yep, right nearby. A nice .43in of rain here. Watchout for that bow echo moving through western Connecticut! Pretty many damage reports are coming out of that...
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148. originalLT
6:00 PM GMT on June 24, 2010
Thanks Blizz for the report. Looking at the map, I know you said you are 10 miles NE of Harrisburg, is that near Linglestown?
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147. Zachary Labe
5:49 PM GMT on June 24, 2010
Strongest storm of the year for here, but nothing terribly impressive. Though looking at the cloud organization and gust front, this squall line will definitely produce pretty widespread straightline wind damage in the Lower Susquehanna Valley though. Very heavy rain involved in the squall line with a max rain rate of 10.29in/hr. It looks like the core of the squall went just to my east in East Hanover Township, Dauphin County and it looks like Indiantown Gap was slammed. Watchout those downstream of Harrisburg!
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146. TheRasberryPatch
5:49 PM GMT on June 24, 2010
clouds are getting dark and circling. looks like another round of storms
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145. originalLT
5:38 PM GMT on June 24, 2010
Be careful Blizz , looks like it will be right on you in 5 mins. or so . Fill us in how it was after it passes.
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144. Zachary Labe
5:32 PM GMT on June 24, 2010
Quoting TheRasberryPatch:
Thanks Blizz. did you get a chance to check out any of the damage yesterday. around the Milton Hershey School and east on 322 would be a good place to see the straighline damage.

btw - i picked another 30 or so cucumbers yesterday and probably get another 20 more today

I wanted too, but I was not home yesterday. I guess the final report is an EF-0 tornado.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
143. Zachary Labe
5:30 PM GMT on June 24, 2010
Thundering here with a new warning...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN YORK COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
NORTH CENTRAL FRANKLIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
NORTHWESTERN LANCASTER COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
CUMBERLAND COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
LEBANON COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
DAUPHIN COUNTY IN SOUTH CENTRAL PENNSYLVANIA...
PERRY COUNTY IN SOUTH CENTRAL PENNSYLVANIA...

* UNTIL 230 PM EDT

* AT 127 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE SEVERE STORMS
EXTENDED FROM LYKENS TO AMITY HALL TO BIG SPRING STATE PARK...AND
WERE MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
WILLIAMSTOWN AND SHERMANSDALE AROUND 135 PM...
DEHART DAM AND NEWVILLE AROUND 145 PM...
ELLENDALE FORGE AROUND 150 PM...
BLOSERVILLE AROUND 155 PM...
MARYSVILLE AND FORT INDIANTOWN GAP AROUND 200 PM...
ROCKVILLE AND PENN NATIONAL RACE AROUND 205 PM...
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142. originalLT
4:01 PM GMT on June 24, 2010
Wow, another line is popping-up now west of you Blizz, near Altoona, its growing in strength and coverage, looks like you guys will get that one in a couple of hours!
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141. originalLT
3:42 PM GMT on June 24, 2010
On radar that area seems to be weakening alittle bit.
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140. originalLT
3:34 PM GMT on June 24, 2010
Hi Blizz and all, there is quite a nice band of showers and T. Storms moving Eastward in north-central PA. Looks like this group of showers will move North of you guys, but may get to me by 3-4PM. What do you think Blizz, will this hold together? or even get stronger?
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139. TheRasberryPatch
1:12 PM GMT on June 24, 2010
Thanks Blizz. did you get a chance to check out any of the damage yesterday. around the Milton Hershey School and east on 322 would be a good place to see the straighline damage.

btw - i picked another 30 or so cucumbers yesterday and probably get another 20 more today
Member Since: January 26, 2007 Posts: 72 Comments: 6245
138. Zachary Labe
12:36 PM GMT on June 24, 2010
Cold front moves through with less humid air for tomorrow, but ripe severe weather conditions may allow for a significant squall line to cause widespread severe weather reports over the Northeast today. I will have more on this later today...
Member Since: December 14, 2007 Posts: 281 Comments: 15082
137. TheRasberryPatch
12:03 PM GMT on June 24, 2010
Blizz - I take it a cold front will be moving through the area this afternoon. What are your thoughts? How far south will it go before it moves back as a warm front? I thought I saw on tv (I was watching local the other night to see the damage) that this one is not strong and it won't be until Monday until we get a strong front.
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136. originalLT
2:07 AM GMT on June 24, 2010
Cool looking little isolated Strong Cell in NW Pa.
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135. TheRasberryPatch
12:48 AM GMT on June 24, 2010
i take it you are saying that bit of rain won't make it over the mountains.

not terribly unbearable today. my high got to 91F with somewhat low humidity. i think the humidity was in the 40's. now if it had been in the 60's it would probably have been unbearable.

Blizz - did you do any investigating of the damage today?
Member Since: January 26, 2007 Posts: 72 Comments: 6245

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Cornell University- Atmospheric Sciences Undergrad; Research Assist.- Onset of Spring Indices Toolbox; Interests- Small spatial scale climatolology

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Linglestown, PA
Elevation: 520 ft
Temperature: 24.2 °F
Dew Point: 15.2 °F
Humidity: 68%
Wind: Calm
Wind Gust: 9.0 mph
Updated: 10:37 AM EST on January 18, 2014

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