October Nor'easter???

By: Zachary Labe , 1:53 AM GMT on October 12, 2009

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I must say this has to be one of my favorite Octobers in the last few years. I took one of my typical hikes Sunday afternoon up on the trail that strattles the summit of Blue Mountain near Linglestown for a few miles to the power line clearing/hawk migration viewing location. Fall leaves were looking pretty nice with oaks even beginning to show some yellow color change. Colors are about a week ahead of schedule with maples reaching their peak here in the Lower Susquehanna Vally by the end of this coming week. Then this evening my church held a nice fall festival function with bonfires, hayrides, and overall just a nice community get together. While I was sitting their chit-chatting with all the locals at the bonfire on this clear and cool October night, it just is that great feeling you get that everything is great. To me an open fire with stars in the sky in an open field is so relaxing, I just can never see myself ever living in a city. This Sunday evening sure was beautiful with the temperature already down in the mid 40s by 8pm with a wonderful sunset in the midst of Fall leaves. And looking ahead this wonderful cool weather pattern is going to continue. The weather pattern is indeed fascinating and I gather from many people it brings back memories of a typical Autumn with cool, breezy days and cold nights. Looking back at my daily weather journals I can definitely concur we have had our fair share of 80 and even a 90degree days in the last few Octobers, especially October 2007. Forecasting the weather is not just be able to analyze data from computer models and weather maps, but it is also necessary to be able recall past weather events/synoptic setups and apply them to present weather forecasting. This blog is going to take a look at the current weather pattern for the week ahead and take a look at a possible nor'easter setup towards the weekend, which in my opinion is foreshadowing what is yet to come this winter! I am going to try to do my best to recall other past October nor'easter and rain/snow events to summarize the scenarios present for the upcoming week.


Fig 1.1- (Courtesy of HPC) Looking across the current surface map a few features are evident including a large and expansive high pressure over the middle of the nation, a trough over 2/3rds of the continental United States, and an approaching low pressure towards the California coast.

Frost and freeze advisories/warnings are out for a large portion of the Northeast including parts of the northern Middle Atlantic in much of Pennsylvania and western Maryland. This is courtesy of a trough over the east coast with cool Canadian air funneling down with a high pressure to the west allowing for ideal radiational cooling conditions. Many areas in the northern 2/3rds of Pennsylvania will see an abrupt end to their growing season. As the week progresses a shortwave will progress through the eastern United States later on Monday through Tuesday enhancing the cold air and amplifying the jet stream with a ridge in west/trough in east orientation. This is where the forecast takes a turn to a more interesting approach which may prove as a good test for some of us to renew our coastal storm forecasting skills (that would be me hahaha). In any case it appears several scenarios will present themeselves with interesting thermal progressions that may allow for some wrap-around rain/snow showers in northern Pennsylvania.

Before we look at the current synoptic setup, lets review a few past October nor'easter events. The one of recent memory is the 28-29 October 2008 nor'easter special for northeastern Pennsylvania.

Fig. 2.1- (Courtesy of NWS BGM) This is a 12z October 28 surface map indicating a 992mb low off the New Jersey coast.

The event featured a negatively tilted trough under a deep amplified jet allowing a low pressure to move up along the New Jersey coast north through the Connecticut Valley up through Canada. Now keep in mind being this was the very end of October, there was a bit more cold air to present itself. Bufkit profiles indicating winds of 50-60mph a few thousand feet aloft allowed for some strong winds to occur across eastern Pennsylvania. Across the higher elevations coupled with H85s near (-4)-(-6) blizzard conditions occurred resulting in some areas of 2ft of snow from Luzerne up through Wayne Counties.

Halloween seems to be a common time for nor'easters to strike the eastern seaboard. Another similar low track occurred in 2005 on October 24-25 when remnants of Tropical Storm Alpha and Hurricane Wilma allowed moisture to stream along the negatively orientated trough with an upper level low over the Great Lakes. This setup allowed for moderate snowfall totals to occur over the mountains of Pennsylvania with rainfall for elevations below 1900ft. As cooler air funneled in from the northwest courtesy of the upper level low, the complex synoptic setup featured up to 10inches over the ridges of the Laurel Highlands up through the north central mountains.

Fig 3.1- (Courtesy of the NWS CTP) This surface map shows the 984mb primary low off of Long Island coast with the moisture from the water vapor loop indicating heavy precipitation over Pennsylvania. Rainfall totals for much of eastern Pennsylvania totaled over 1-2inches.

Now once again what is important to observe in these short case studies is the date of the events. Many nor'easters in October are featured in the later half of the month. Remember the perfect storm in 1991, again featured at the very end of the month. Archives prove October has featured some very harsh nor'easters and cold Outbreaks as it is a transition month. The month is very similar to April or May with complex storm systems across the mid section of the Nation and sharp temperature contrasts from cold fronts and ridge orientations. So why all of this talk about nor'easters? Well the end of the week poses a few interesting possibilities.

Interesting 500mb initiations from models for the end of this week as a large -EPO fueled ridge will allow for a large ridge across the west coast.

Fig. 4.1- (Courtesy of Raleighwx Models) Current GFS predictions indicate the negative EPO to last through the end of this week before it rises to positive for a short time before once again transitioning negative by the end of the month. A negative EPO and positive PNA are typical for a western United States ridge formation.

Looking at the NAO, which is a general rule of thumb with the AO for eastern troughing events. A decent theory is the idea of a progression from an extended negative NAO to a positive NAO or an extended positive NAO to a negative NAO is usually coupled with a large east coast storm.

Fig 5.1- (Courtesy of CPC) Once again note the transition from negative to positive occuring around the 15-17th of October, which is the exact period for the possibilities of a coastal storm.

Current 10/11/09 18UTC GFS took an interesting approach for the low pressure and is more in line with 0UTC ECMWF guidance. Model guidance has generally been extremely poor for the last few weeks so this end of the week system can be taken with a grain of salt. But I am going to lay out the scenarios is pose my highest threat scenario. As the week progresses I will update through comments on the possibility. For all we know this system may not even exist by Thursday. But generally this a decent model consensus on a general progression as followed...

06UTC Friday...

Generally a low pressure tracks across the Tennessee Valley as moisture moves up from the south from the Gulf of Mexico. Meanwhile a large expansive western ridge with orient an approaching trough from the Great Lakes to cause colder air to funnel into the system.

18UTC Friday...

Transfer from primary low to coastal low off Virginia coastline will allow for double barrel low to continue to produce heavy precipitation over the Middle Atlantic. While H85s are below 0C for much of Pennsylvania, that does not mean snow. I will talk more about this later. Also take note of the deformation band axis over the I-80 corridor in Pennsylvania.

06UTC Saturday...

Finally the low pressure begins to weaken and move to the northeast over the region with some residual rain/snow showers over western Maryland and western Pennsylvania.

So it appears the setup is isentropic lift allowing for some rain to start towards Thursday along a quasi-stationary boundary over the Middle Atlantic. Then a low pressure will transition from across the Tennessee Valley and reform along the eastern seaboard tracking towards 40/70 benchmark and on northeastward. Meanwhile high pressure will be over southern Canada trying to funnel in marginally cold air to the rear northwest flank of the system. Thermal layers from GFS bufkit data indicate most of the Middle Atlantic to range from 1000-500mb thickness around 541-549dam, which especially in October is not cold enough for snow even in the highest of elevations. It generally looks like a rain event for most areas for a large portion of the event which may feature some moderate to heavy rain.

12z ECMWF indicates a similar forecast to the 18z GFS, except the track is a bit closer to the coast near KACY. As the system wraps up is when the potential for snow flakes exists as cold air rushes into the back-end of the system with the potential for some snow over the higher elevations especially towards northeastern Pennsylvania. Latest ECMWF, GGEM, GFS consensus definitely is leaning towards H85s well below 0C with 540dam thickness as far south as Mason-Dixon line. I think for this event a few things are possible. For one I have noticed a slight south trend in model data within the past few days. Previous runs, especially of the GFS had an over-amplifyied 992mb low up the east coast under a negatively tilted trough with cold air rushing down the spine of the Appalachians. Also I would like to see the high pressure about 5mb stronger to reinforce blocking and cold air into the system. The pressure gradient is relatively tight and the easterly flow coupled with high historical astronomical tides this year may pose for a large coastal erosion and flooding threat with 40-45mph gusts along the coast. So in conclusion it appears a moderate to high threat of a coastal storm is likely towards Thursday and Friday. I think the GFS is a bit slow in the lows progression. I think as model runs progress the actual track may be a bit farther to the south and slightly weaker. Moderate to heavy rain is possible over the Middle Atlantic in this time frame with breezy conditions. Coastal flooding and erosion is extremely likely along the Chesapeake coastline and Atlantic Ocean. Depending on wet bulb heights and precipitation intensity, some snow may mix in on the rain towards the end of the system towards Friday night as a deep trough moves over the region. Though this time of year I would like to see H85s a bit colder. Although a good rule of thumb of October snows is usually you will only be able to predict if one will see snow flakes hours before the event. Stay tuned for updates throughout the week. The general pattern regime for this week is steady below normal temperatures. This is an exciting pattern that may be setting up for the winter. My call for a moderate El Nino looks set with an westerly wind burst really causing SSTs to rise again towards Nino region 3.4. The PDO is also rising, which is more good news. As long as we do not get a sudden switch, I think it is likely many areas see their first snowflakes at or before Thanksgiving.

"Here 10mi Northeast of Harrisburg, PA 2009 Statistics"
(Severe Weather Stats...)
Severe Thunderstorm Watches- 8
Severe Thunderstorm Warnings- 9
Tornado Watches- 0
Tornado Warnings- 0
Total Thunderstorms- 33

(Precipitation Stats...)
Flood Watches- 4
Flood Warnings- 1
Monthly Precipitation- 0.97inches
Yearly Precipitation- 33.50inches

(Temperature Stats...)
Heat Advisories- 2
Excessive Heat Warnings- 0
90degree Days- 9
Highest Temperature- 95degrees


KTHV (York-Thomasville, PA)...
Mason803- September 30
Blizzard92- October 4
Snowlover2010- October 5
wxgeek723- October 7
Lawntonlookers- October 14
TheRasberryPatch- October 15
hurricane30- October 17
Tazmanian- October 20

KMDT (Harrisburg-Middletown, PA)...
Snowlover2010- September 30
Blizzard92- October 7
TheRasberryPatch- October 8
wxgeek723- October 11
hurricane30- October 17
Lawtonlookers- October 21
Mason803- October 22
Tazmanian- October 30

KBFD (Bradford, PA)...
Snowlover2010- September 15
Mason803- September 18
hurricane30- September 18
Blizzard92- September 22
TheRasberryPatch- September 23
Lawtonlookers- September 28
wxgeek723- September 30
Tazmanian- October 1

KPIT (Pittsburgh, PA)...
Snowlover2010- September 28
Mason803- September 28
Blizzard92- October 1
Lawtonlookers- October 5
TheRasberryPatch- October 6
hurricane30- October 12
wxgeek723- October 14
Tazmanian- October 20

KPHL (Philadelphia, PA)...
Tazmanian- October 9
Snowlover2010- October 12
TheRasberryPatch- October 17
Blizzard92- October 27
Mason803- October 30
hurricane30- November 4
Lawtonlookers- November 5
wxgeek723- November 6

KIAD (Dulles International-Washington, DC)...
Tazmanian- October 15
Mason803- October 15
TheRasberryPatch- October 15
hurricane30- October 22
Snowlover2010- October 27
Blizzard92- October 28
Lawtonlookers- October 28
wxgeek723- November 9

KHGR (Hagerstown, MD)...
Blizzard92- October 6
TheRasberryPatch- October 8
Tazmanian- October 10
Snowlover2010- October 10
Lawtonlookers- October 14
wxgeek723- October 16
hurricane30- October 17
Mason803- October 20

KBWI (Baltimore, MD)...
Tazmanian- October 7
TheRasberryPatch- October 17
Snowlover2010- October 25
Blizzard92- October 25
Lawtonlookers- November 1
Mason802- November 4
wxgeek723- November 9

KILG (Wilmington, DE)...
Tazmanian- October 15
TheRasberryPatch- October 20
Weathergeek5- October 24
Blizzard92- October 25
Snowlover2010- October 27
Mason803- October 29
hurricane30- October 29
wxgeek723- November 3
Lawtonlookers- November 5

KSBY (Salisbury, MD)...
TheRasberryPatch- October 25
Snowlover2010- October 27
Mason803- November 3
hurricane30- November 4
Tazmanian- November 5
Lawtonlookers- November 8
wxgeek723- November 15
Blizzard92- November 18

Autumn's festival of colors... (Blizzard92)
Leaves beginning to really show along Blue Mountain near Harrisburg at the top with an elevation around 1230ft.
Autumn's festival of colors...

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LATER SHIFTS MAY NEED TO CONSIDER
RAISING MORE WINTER WEATHER FLAGS WITH THE THREAT OF MORE EARLY
SEASON SNOWS
ACROSS THE INTERIOR ZNS...AND PERHAPS AS FAR SE AS
THE LWR SUSQ VLY
DEPENDING UPON WHERE THE SFC LOW TRACKS.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
Looks like 4inches is the highest reported snowfall total; Stormstown, Pennsylvania.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
I have been steady at 37.3F for almost 2 hours.

pretty amazing the trees are moving back and forth, but i am not getting much reading on the anemometer and it doesn't appear anyone else in the area has much wind.

i see diamond shoals has a pressure of 29.64". it doesn't seem to have changed much since this afternoon.
Member Since: January 26, 2007 Posts: 72 Comments: 6245
Evening Blizzard.

Still 31F, wind is nonexistent, moderate snow fall. It's sticking to the trees, grass, and other elevated surfaces. It's even covering the front walk a bit.

Look at the picture you posted from pennstate... It's on the blacktop.
Member Since: September 3, 2008 Posts: 0 Comments: 444
Think I will see any snow in Lancaster?
Member Since: January 7, 2008 Posts: 2 Comments: 1003
Quoting cchamp6:
Hey Blizz,

Been snowing here since 1230. Temps are running 31-33 in my area. Snowfall is moderate. Accumulations just under an inch to just over an inch. Expecting 3-6 in my area. Bad news for the trees!!!! It looks like friggin winter out here.
We expect pictures.
Member Since: Posts: Comments:
Quoting TheRasberryPatch:
Blizz - am i reading correctly the normals for today are 62/41? any first temps at freezing or below from our contest?

new report out for snowfall for PA

65/45 are the normals for today for Harrisburg. No not any freeze winners. A lot of the cities in the contest are warmer locations.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
Blizz - am i reading correctly the normals for today are 62/41? any first temps at freezing or below from our contest?

new report out for snowfall for PA
Member Since: January 26, 2007 Posts: 72 Comments: 6245
269. RkTec

The following are unofficial observations taken during the past 12 hours
for the storm that has been affecting our region. Appreciation is extended
to Highway departments... cooperative observers... Skywarn spotters
and media for these reports. This summary is also available on our
home Page at weather.Gov/phi

********************storm total snowfall********************

Location storm total time/date comments
snowfall of
(inches) measurement


New Jersey

... Sussex County...
High Point state 0.5 145 PM 10/15 1803 feet
Wantage 0.5 600 PM 10/15

... Warren County...
Allamuchy 2.0 406 PM 10/15 around 800 feet
Blairstown 1.0 550 PM 10/15
Vienna 1.0 500 PM 10/15

Pennsylvania

... Carbon County...
Lake Harmony 3.0 459 PM 10/15
East Weissport 1.5 445 PM 10/15 Franklin Township

... Lehigh County...
Allentown T 200 PM 10/15

... Monroe County...
Tobyhanna 3.0 459 PM 10/15

***********************peak wind gust***********************

Location peak wind time/date comments
gust of
(mph) measurement


Delaware

... Sussex County...
Lewes 44 530 PM 10/15

New Jersey

... Atlantic County...
Atlantic City 36 500 PM 10/15 Marina

... Ocean County...
Brant Beach 38 300 PM 10/15
Member Since: Posts: Comments:
Quoting Blizzard92:
Temperature continues to fall here, down to 37.4degrees.


hehe, that is 1 degree higher than our HIGH today. too early for this
Member Since: Posts: Comments:
Temperature continues to fall here, down to 37.4degrees.
Member Since: December 14, 2007 Posts: 281 Comments: 15082


the temp has done nothing but fall all day here in Naugatuck, CT - Conditions - Light snow and sleet, however we had a burst of heavier snow earlier this PM.
Member Since: Posts: Comments:
Hey Blizz,

Been snowing here since 1230. Temps are running 31-33 in my area. Snowfall is moderate. Accumulations just under an inch to just over an inch. Expecting 3-6 in my area. Bad news for the trees!!!! It looks like friggin winter out here.
Member Since: Posts: Comments:
temps remained steady from noon to 4pm, but has continued to fall since.
37.3F
dewpt is 37.3F
with rain so far 0.59.
barometer is slowly falling at 29.84" or 1010.7mb
winds still light with an occasional gust of less than 8mph. it has definitely picked up from calm
Member Since: January 26, 2007 Posts: 72 Comments: 6245
Great weather stat from Williamsport! here by me its 36.1 F moderate rain, Baro.1014mb, wind NE, 10-15mph, gust to 28mph. So far .31" of rain--thought I saw a snow flake or two mixed in with the rain earlier. Right now moderate rain falling.
Member Since: January 31, 2009 Posts: 0 Comments: 7403
This is just incredible, unprecedented! Another record...

... A record daily maximum snowfall was set at Williamsport today...

Snowfall measured at Williamsport so far today was 0.2 of an inch.

This not only established a record for October 15th... it also GOES
into the record books as the earliest date for measurable snow in
the season.


The snow season runs from the beginning of July to the end of June
in the following year.

A continuous weather record has been kept at Williamsport since 1895.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
the temp is now at 37.8F falling at a rate of -0.67F/hr
Member Since: January 26, 2007 Posts: 72 Comments: 6245
TheRasberryPatch- I think it is absolutely incredible with over 150 years of data that this is now the earliest measureable snow in State College. That record also may be broken in several other cities including Pittsburgh. NAM just seems to cold to me as other guidance is warmer. We shall see.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
did you see the report out of state college for snow?
why do you doubt the NAM? the kids will have a blast with a few inches of snow. btw - did you see a scientist out of britain claims the Arctic will be ice free in the summer within 20 years? from Reuters. amazing how these scientists can see into the future
Member Since: January 26, 2007 Posts: 72 Comments: 6245
18z NAM continues to show a few inches of snow for KMDT. Now it probably will not snow a few inches; but it does show the air will be cold enough towards Saturday.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
had moderate snow fall in Easton as I left work, accumulated on windshields but nowhere else. Currently 35.8F and rain. Rec'd about .50-.60 of rain.
Member Since: Posts: Comments:
TheRasberryPatch- Wakefield is southern Virginia. State College has been having some problems with updates on their forecasts so I would ignore them for now.

Mason803- You might to start checking back there towards Friday night again as the H85 0C seeps towards South Mountain.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
no flakes on top of big flat. very dense fog with 0 vis. and heavy drizzle
Member Since: November 5, 2008 Posts: 0 Comments: 1139
Blizz - that link you showed the precip map for 48 hours, why wouldn't the NWS put out a flood watch? also, i noticed that WU doesn't show snow anymore in its forecast
Member Since: January 26, 2007 Posts: 72 Comments: 6245
OCMD is now under a coastal flood warning from NWS in Wakefield for 5am friday until midnight. where is wakefield?
i have been watching a beach cam and the surf is moving closer to the boardwalk and is very white and rough.
Member Since: January 26, 2007 Posts: 72 Comments: 6245
the temps are slowly falling. i am now at 38.7F rain so far is 0.52". the winds are light out of NE
Member Since: January 26, 2007 Posts: 72 Comments: 6245
Stanb999- The first wave will generally have the most moisture to your south. But towards Saturday when the inverted trough forms from the next coastal low is when things get interesting for a lot of areas.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
that is one big mess for the mid atlantic and northeast. and even into Saturday where it stops there is a big blob to our south. wow.

the Susquehanna river and downstream at Conowingo is going to be moving
Member Since: January 26, 2007 Posts: 72 Comments: 6245
Good afternoon,
Current temperature is 31F. light snow,


Is the moisture gonna make it up this far? It all seems to be south.
Member Since: September 3, 2008 Posts: 0 Comments: 444
Mason803- Alright! Friday night through Saturday night is still looking good for snow


Selinsgrove now reporting light snow even in that low valley.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
247. RkTec
Coming down pretty good along Rt. 22 in the Allentown/Bethlehem areas. I'm 9 miles SW of Allentown and it has been mostly rain with a wet flake or two now and then.

Traffic cams:

http://wfmz.com/traffic/
Member Since: Posts: Comments:
0.73" of rain so far. i'm going to go check out the ridgetop at 2080ft.(the big flat) to see if they've mixed with snow. its about 10 min. west of my house. be back with a report
Member Since: November 5, 2008 Posts: 0 Comments: 1139
TheRasberryPatch- Yep, some model QPF has been near 3-4inches. Check out this simulated radar loop for next 48hrs to get an idea on the precipitation shield... Link.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
looking at the regional radar to the south and east it just doesn't seem that way, but that isn't looking at the pressures either.

so this was just the moisture from the tennessee valley? wow, should that low form off carolina we are in store for wet conditions
Member Since: January 26, 2007 Posts: 72 Comments: 6245
TheRasberryPatch- The coastal low is starting to form as evidenced by pressure drops off of Hatteris. Precipitation will likely fill in tonight. Already you can see a slight bit of back-building near the Mason-Dixon line in the Lower Susquehanna Valley.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
it also looks like the end of precip is on our western door.

is the coastal low going to form off of north carolina this evening? the first one?
Member Since: January 26, 2007 Posts: 72 Comments: 6245
if you go to WGAL doppler Blizz it has been showing orange and reds most of the afternoon up there.

my temp has remained steady throughout the afternoon, but i bet once the sun goes down we will see temps drop
Member Since: January 26, 2007 Posts: 72 Comments: 6245
33degrees now up at 1600ft in northern Dauphin County, likely snow.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
I'm enjoying all the snow reports guys,I'm not going to get into any snow in my area here in eastern Mass.
Member Since: September 6, 2007 Posts: 874 Comments: 15580
RkTec- Good afternoon! Thanks for that report. Snow line is moving slowly south according to towercams. It looks like it is as far south as 10-15mi north of 78 according to PENNDOT towercams.


Temperature continues to fall here.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
237. RkTec
Pennsylvania

... Lehigh County...
Allentown Airport T 200 PM 10/15
Member Since: Posts: Comments:
38.3degrees... .56inches of rain

Looks like the 1600ft MADIS station in northern Dauphin County is reporting a temperature of 34degrees, probably a rain/snow mix.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
39.4F with 0.40" of rain so far
Member Since: January 26, 2007 Posts: 72 Comments: 6245
NEW MARK ALREADY SET LOCALLY WITH EARLIEST MEASURABLE SNOWFALL ON
RECORD
...WITH OFFICIALLY 0.3" MEASURED AT PSU WEATHER STATION ATOP
WALKER BUILDING. MANY AREAS OUTSIDE TOWN HAVE BETWEEN 0.5 AND 1.0"
WITH MORE TO COME.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
Snow is picking up in intensity now. Grass and evergreens will be the first victim starting in 30 minutes or so.
Member Since: March 8, 2007 Posts: 273 Comments: 12612
Down to 38.5degrees. I still think parts of the Lower Susquehanna Valley will see snow late Friday night through Saturday.
Member Since: December 14, 2007 Posts: 281 Comments: 15082
231. RkTec
Location storm total time/date comments
snowfall of
(inches) measurement

First snow fall accumulation reports beginning to come in.

New Jersey

... Sussex County...
High Point state 0.5 145 PM 10/15 1803 feet

Pennsylvania

... Monroe County...
Tobyhanna 1.4 100 PM 10/15 above 2000 feet
Member Since: Posts: Comments:
Just heard from a friend of mine up in Happy Valley. He said there's a little over an inch of snow accumulated on grassy surfaces.

Hoping to atleast see some flakes.
Member Since: January 31, 2007 Posts: 9 Comments: 2250
i'm back. i've been really busy with b-days and getting the tower up recently. That bright banding is over me now. Temp dropped .5 degrees and i'm at 40 degrees currently. The ridges just to my west maybe seeing snow mixed in. up to 0.53" of rain for the event
Member Since: November 5, 2008 Posts: 0 Comments: 1139
Blizz,

That's some impressive bright banding showing up to your west.

You might start to see some flakes mix in when that gets over you.
Member Since: March 8, 2007 Posts: 273 Comments: 12612
TheRasberryPatch- There may be a few areas in that above 1500ft seeing snow. I just heard a report out of Easton, Pennsylvania where heavy precipitation caused dynamic cooling and a changeover to a mix of rain/snow dropping the temperature a few degrees.
Member Since: December 14, 2007 Posts: 281 Comments: 15082

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About Blizzard92

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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