Wunderground launches new Local Climate Change section

By: Dr. Jeff Masters , 6:10 PM GMT on April 20, 2012

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In honor of Earth Day on Sunday, wunderground has launched a new Climate Change Center, which gives people resources to understand how the climate is changing both globally and in their local neighborhoods. I am particularly pleased with our Local Climate Change feature, which allows one to see how temperature and precipitation have changed over the past 100+ years at the nearest station with a long period of measurements. Predictions from climate models on what the next 100 years may bring are overlaid for each station. Data for most U.S. stations goes back to 1895; we have data for a few stations in Europe that extend back to the 1700s. Berlin has the longest period of record in this database, with data back to 1702.


Figure 1. Screenshot of the Local Climate Change page for Washington, DC. Measured temperatures since 1820 are shown in grey. By clicking on the "Show post-1900 trend:" box, we see that the trend since 1900 has been for an increase in temperature of 1.5°C (2.7°F) per century. Moving the thin vertical red line over the image using the mouse shows that the warmest year on record in Washington D.C. was 1991. Predictions for a future with low emissions of heat-trapping gases like carbon dioxide are shown in yellow; the high emissions prediction is shown in red. Separate tabs are available to examine precipitation and snow.

Skeptical?
Also included in the new Climate Change Center is a section addressing the common skeptical arguments made against climate change. We offer three levels of explanation. The "Basic" level is the default, but one can also see more technical in-depth discussions by clicking on the "See All Explanation Levels" link. The material was developed by physicist John Cook for his excellent skepticalscience.com web site, which is widely referenced in the climate science communication community.


Video 1. I'm featured in this video on extreme weather and climate change done by veteran videographer Peter Sinclair for the Yale forum on Climate Change and the Media this month. I'm also featured in Part 1 of this series. Our new Climate Change Center has a section for climate change videos, which includes a twice-monthly feature from GreenTV detailing the world's notable wild weather events of the past two weeks.

Earth: the Operator's Manual airs Sunday night
Penn State climate scientist Dr. Richard Alley hosts parts II and III of Earth: the Operator's Manual on PBS beginning at 7pm Sunday, April 22--Earth Day. Part I of this excellent series aired in April 2011. The series gives an overview of climate change, but primarily focuses on what we can do to help slow down climate change though smart energy choices. Dr. Alley, a registered Republican, geologist, and former oil company employee, is the Evan Pugh Professor of Geosciences at the Pennsylvania State University, and one of the most respected and widely published world experts on climate change. Dr. Alley has testified before Congress on climate change issues, served as lead author of "Chapter 4: Observations: Changes in Snow, Ice and Frozen Ground" for the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC), and is author of more than 170 peer-reviewed scientific articles on Earth's climate. He is also the author of a book I highly recommend--The Two Mile Time Machine, a superb account of Earth's climate history as deduced from the 2-mile long Greenland ice cores. Dr. Alley is an excellent and engaging speaker, and I highly recommend listening to his 45-minute keynote speech, "The Biggest Control Knob: CO2 in Earth's Climate History", given at the 2010 American Geophysical Union meeting, via this very watchable recording showing his slides as he speaks in one corner of the video. If you want to understand why scientists are so certain of the link between CO2 and Earth's climate, this is a must-see lecture.

Have a great weekend, everyone, and I'll be back Monday with a new post. I'd like to thank Wunderground meteorologist, Angela Fritz for spearheading the creating the new Climate Change Center; it's a product I'll be referring to frequently in the future, and one we'll be updating in the coming months with data on local sea level rise, fire risk, and drought.

Jeff Masters

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Quoting TropicalAnalystwx13:
Surface Mean Level Pressure shows the beginnings of a low pressure area centered near Baton Rogue, Louisiana.



Sometimes the RUC analysis in GREarth can have issues with new/weak low pressure areas. It seems to find them quite a bit; I wish GREarth had the ability to use contours from actual obs to compare.
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Quoting Sangria:
445. reedzone 3:00 PM GMT on April 21, 2012 +0
Everyone, the spin that you are seeing in the GOM, is NOT the Low.. It's an ULL that is going to boost the dynamics for the squall line.. Actual anticipated squall line hasn't formed yet. The first set of severe weather is heading to Central Florida.





Some of the information is getting confusing on here...Is the spinning feature south of LA "THE" Low, or is it not? Thanks to anyone who can clarify...


The spinning feature is an Upper Level Low, the support to create the squall line. Actual low is around New Orleans.
Member Since: July 1, 2008 Posts: 13 Comments: 7390
Quoting Sangria:
445. reedzone 3:00 PM GMT on April 21, 2012 +0
Everyone, the spin that you are seeing in the GOM, is NOT the Low.. It's an ULL that is going to boost the dynamics for the squall line.. Actual anticipated squall line hasn't formed yet. The first set of severe weather is heading to Central Florida.






that BIG spin (ull) is not the actual low, go to the NHC website and loop the GOM sat the press "fronts" on the top and you will see were the real low is located
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Quoting Sangria:
445. reedzone 3:00 PM GMT on April 21, 2012 +0
Everyone, the spin that you are seeing in the GOM, is NOT the Low.. It's an ULL that is going to boost the dynamics for the squall line.. Actual anticipated squall line hasn't formed yet. The first set of severe weather is heading to Central Florida.





The low is South of Southeastern Louisiana. There is also a ULL which is to the west of the actual Low.
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Afternoon All.

The 1005mb low is just off the coast due south of Nawlins. ULL is beginning to dive sward, the surface low should follow. Look for the main squall line to develop in the Central GOM later this afternoon and evening, moreso when the system makes the turn to the NE.
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Quoting Ossqss:


Just look at the graph provided and ignore the imposed line of increase that does not match.

LOL ,,, how about that cherry picking?

Have a look > That is laughable........ gnight





You know, when I see comments like this I can't help but notice the remarkable similarities between deniers and Vezzini from the Princess Bride.
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From CrownWeather:

Saturday, April 21, 2012 10:54 am
by Rob Lightbown

Surface analysis as of late this morning showed a strengthening low pressure system located just south of southeastern Louisiana. This storm system will continue to strengthen this afternoon into tonight leading to the development of a squall line of severe thunderstorms capable of producing damaging winds and tornadoes across central and southern Florida from late this afternoon through tonight.

At this point, some isolated severe thunderstorms that could produce strong winds and maybe a spin-up tornado will be possible across central and south Florida through mid-afternoon. By late this afternoon and through tonight a much more substantial severe weather threat will emerge along and south of a line from Tampa to Orlando to New Smyrna Beach as that strengthening low pressure system tracks across northern Florida and causes the low-level shear to increase and combine with an unstable airmass.

Supercell thunderstorms with damaging winds and tornadoes are expected from late this afternoon through this afternoon and through the overnight hours of tonight across central and south Florida, including Tampa, Orlando, Miami and Fort Myers. We think that this threat will start to emerge as early as 3 to 5 pm this afternoon and continue through much of the night tonight. Additionally, locally heavy rainfall, frequent lightning and hail will accompany these storms. This area of thunderstorms, some severe, will finally push off of the east and southeast coast of Florida between 3 and 5 am Sunday morning.

All residents and visitors of central and south Florida should monitor the latest information on this potential severe weather situation. This has the potential to be one of those overnight Florida severe weather outbreaks with the risk for nighttime tornadoes.

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445. reedzone 3:00 PM GMT on April 21, 2012 +0
Everyone, the spin that you are seeing in the GOM, is NOT the Low.. It's an ULL that is going to boost the dynamics for the squall line.. Actual anticipated squall line hasn't formed yet. The first set of severe weather is heading to Central Florida.



Quoting reedzone:Though this forecast was made when they originally thought the Low would track south of here.. But it's just south of New Orleans. We'll see what they say in a few hours.


Some of the information is getting confusing on here...Is the spinning feature south of LA "THE" Low, or is it not? Thanks to anyone who can clarify...
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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
602 AM EDT SAT APR 21 2012

FLZ039-042-043-048>052-055>057-060>062-065-211800 -
LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSB OROUGH-POLK-
MANATEE-HARDEE-HIGHLANDS-SARASOTA-DE SOTO-CHARLOTTE-LEE-
602 AM EDT SAT APR 21 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST
FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

...THUNDERSTORM IMPACT...
THERE WILL BE STRONG TO SEVERE THUNDERSTORMS ACROSS THE AREA TODAY
AS A STRONG LOW PRESSURE SYSTEM APPROACHES THE AREA TODAY AND THEN
MOVES ACROSS THE AREA TONIGHT. A STRONG LOW LEVEL JET AND VERY
COLD AIR ALOFT WILL ALLOW STRONGER THUNDERSTORMS TO PRODUCE
DAMAGING WINDS...LARGE HAIL AND POSSIBLY ISOLATED TORNADOES. THE
BEST CHANCES FOR THIS WILL BE LATER THIS AFTERNOON AND TONIGHT AS
DAYTIME HEATING ADDS TO THE INSTABILITY AND THEN THE UPPER LOW
MOVES OVER THE AREA. IN ADDITION...HEAVY RAINFALL IS EXPECTED WITH
THIS SYSTEM AND A WIDESPREAD 1 TO 3 INCHES WILL BE POSSIBLE WITH
LOCALLY HEAVIER AMOUNTS. THIS MAY CAUSE SOME MINOR FLOODING OF
ROADWAYS...LOW LYING AREAS AND SMALL STREAMS. RESIDENTS AND
VISITORS SHOULD MONITOR CONDITIONS CLOSELY TODAY AND TONIGHT FOR
ANY POSSIBLE WATCHES OR WARNINGS.

...RIP CURRENT IMPACT...
THERE IS A MODERATE RISK OF RIP CURRENTS TODAY FROM TARPON SPRINGS
SOUTH AS WINDS INCREASE AND BECOME SOUTHWESTERLY THROUGH THE LATE
MORNING AND AFTERNOON. A RIP CURRENT IS A 10 TO 30 YARD WIDE
CHANNEL OF WATER THAT CAN PULL EVEN A STRONG SWIMMER INTO DEEPER
WATER.

TO AVOID GETTING CAUGHT IN A RIP CURRENT...SWIM AT GUARDED
BEACHES AND HEED THE ADVICE OF THE BEACH PATROL. AT UNGUARDED
BEACHES AND NEAR PIERS...JETTIES...AND INLETS...DO NOT GO INTO THE
SURF MUCH ABOVE YOUR KNEES.

IF CAUGHT IN THE SEAWARD PULL OF A RIP CURRENT...DO NOT ATTEMPT
TO MOVE DIRECTLY TOWARD SHORE. INSTEAD...MOVE SIDEWAYS ACROSS THE
RIP CURRENT UNTIL THE PULL EASES. ANOTHER METHOD OF ESCAPE IS TO
LET THE RIP CURRENT PULL YOU SEAWARD 50 TO 100 YARDS...WHERE THE
FORCE WEAKENS. THEN...SWIM TOWARD THE BEACH AT AN ANGLE AWAY FROM
THE CURRENT.

...WIND AND SEA IMPACT...
WINDS AND SEAS WILL BE INCREASING BRIEFLY THROUGH THE AFTERNOON
AND SMALL CRAFT OPERATORS SHOULD TAKE CAUTION IF TRAVELING
OFFSHORE. WINDS AND SEAS WILL THEN INCREASE TO 20 TO 25 KNOTS WITH
HIGHER GUSTS OVERNIGHT WITH SEAS GRADUALLY BUILDING UP TO 8 FEET.
FISHERMEN AND OTHER SMALL CRAFT OPERATORS MAY WANT TO POSTPONE
TRIPS UNTIL CONDITIONS IMPROVE.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

...THUNDERSTORM IMPACT...
A FEW LINGERING SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THROUGH
SUNDAY AFTERNOON AS THE COLD FRONT PUSHES THROUGH THE AREA. GUSTY
WINDS AND DEADLY LIGHTNING WILL BE POSSIBLE WITH THE STORMS.

...RIP CURRENT IMPACT...
STRONG ONSHORE FLOW WILL CAUSE RIP CURRENTS ALONG AREA BEACHES. IN
ADDITION...HIGH SURF MAY OCCUR WITH WAVE HEIGHTS OF 3 TO 5 FEET.

...WIND AND SEA IMPACT...
WINDS AND SEAS WILL REMAIN ABOVE ADVISORY LEVELS THROUGH MONDAY
NIGHT. SMALL CRAFT OPERATORS SHOULD USE EXTREME CAUTION OR
POSTPONE TRIPS UNTIL CONDITIONS IMPROVE.

...FIRE WEATHER IMPACT...
DRIER AIR WILL MOVE INTO THE AREA BEHIND THE COLD FRONT FOR MONDAY
AFTERNOON AND CAUSE SEVERAL HOURS OF CRITICAL HUMIDITIES. IN
ADDITION WINDS WILL BE NEAR 15 MPH. THIS WILL ALLOW FOR THE RAPID
SPREAD OF WILDFIRES. DRY CONDITIONS WILL CONTINUE THROUGH MID-WEEK
WITH A FEW HOURS OF CRITICAL HUMIDITIES POSSIBLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD MONITOR THE WEATHER. FORMAL ACTIVATION MAY BE
NEEDED.

$$

COLSON
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Palm Coast, FL

Today: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 78. South wind between 7 and 11 mph. Chance of precipitation is 60%.

Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 64. South wind between 5 and 9 mph. Chance of precipitation is 80%.

Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 76. West wind between 5 and 11 mph. Chance of precipitation is 60%.

Nope, no mention of severe weather... Though this forecast was made when they originally thought the Low would track south of here.. But it's just south of New Orleans. We'll see what they say in a few hours.
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People need to remmembr that this is no the squal line the models were hinting at. The actual line will most likely develop further south and may be stronger
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I see they have snow in the forecast tonight for northern MN. I sure hope they do better this week than last week. They forecasted half an inch got 8 inches here some places just northeast of me got nearly a foot.
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Quoting seflagamma:
Good morning again,

Grothar Loved the post card greetings from Florida!!! lol


Here in Broward Country (SE Fla) the rain has let up a little but more coming our way.

If we really get all the rain that is forcasted for the rest of today, tonight and tomorrow, that should totally put us back in good standing to get us thru the rest of the dry season...

Our canals and ponds are getting a little low in the past week or two.


I am lurking today to keep up with this system and what it is doing...
thanks in advance for the good information.


SWF here and ditto about lurking and advanced thank you
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Good morning again,

Grothar Loved the post card greetings from Florida!!! lol


Here in Broward Country (SE Fla) the rain has let up a little but more coming our way.

If we really get all the rain that is forcasted for the rest of today, tonight and tomorrow, that should totally put us back in good standing to get us thru the rest of the dry season...

Our canals and ponds are getting a little low in the past week or two.


I am lurking today to keep up with this system and what it is doing...
thanks in advance for the good information.


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Quoting FLWeatherFreak91:
Right. I'm expecting another line of thunderstorms to fire up late tonight closer to the periphery of the ull.


Yeah, earlier I had originally thought that was the squall line, but then I looked at the surface map, it's the warm front.. still a squall line but not the big one that we are anticipating tonight.
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Quoting nrtiwlnvragn:
09Z SREF Ensemble, hugging the coast




Great graphic!
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So, is an ULL. thank you guys !!!
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Quoting reedzone:
Everyone, the spin that you are seeing in the GOM, is NOT the Low.. It's an ULL that is going to boost the dynamics for the squall line.. Actual anticipated squall line hasn't formed yet. The first set of severe weather is heading to Central Florida.
Right. I'm expecting another line of thunderstorms to fire up late tonight closer to the periphery of the ull.
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Quoting reedzone:
Everyone, the spin that you are seeing in the GOM, is NOT the Low.. It's an ULL that is going to boost the dynamics for the squall line.. Actual anticipated squall line hasn't formed yet. The first set of severe weather is heading to Central Florida.
Look at this time lapse if you have a moment..Link
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Quoting WeatherfanPR:


but what is that to the south of Louisiana ?


A potent Upper Level Low.
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Quoting WeatherfanPR:


but what is that to the south of Louisiana ?
The upper level low
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Quoting reedzone:


Just a tad south of New Orleans, much further north then what the models forecast.


but what is that to the south of Louisiana ?
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Member Since: December 18, 2006 Posts: 7 Comments: 2686
Everyone, the spin that you are seeing in the GOM, is NOT the Low.. It's an ULL that is going to boost the dynamics for the squall line.. Actual anticipated squall line hasn't formed yet. The first set of severe weather is heading to Central Florida.
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Quoting WeatherfanPR:
Hello everyone !!! Where's the Low ?

Why does that look like a claw?
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Quoting WeatherfanPR:
Hello everyone !!! Where's the Low ?



Just a tad south of New Orleans, much further north then what the models forecast.
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Quoting BrickellBreeze:


But the Squall Line that will be the most severe is still in the gulf south of Lousiana?


We probably won't see any severe weather until later this afternoon or evening. (Don't quote me on that, cause anything can happen) But that is when most of the dynamics will be in place for it.
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Hello everyone !!! Where's the Low ?

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Quoting emcf30:


This is a more reliable map to use IMO.



Clearly the low has entered the GOF some time ago.




Still much further north then forecast
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Quoting charlottefl:
And it's a good bet based on the distance these storms are from the radar site, that they are actually quite a bit stronger than they appear on radar.



But the Squall Line that will be the most severe is still in the gulf south of Lousiana?
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Quoting reedzone:
If you want to go by this... Low pressure is MUCH further to the north, not even in the Gulf... This would cause the threat for severe weather to increase and extend to Northern Florida. Models handled this very poorly. Just looking at the squall line, it's very dangerous, when you see dark colors in the Gulf, where you normally see them in Tropical Systems or Midwestern storms, you know these storms mean business.





This is a more reliable map to use IMO.



Clearly the low has entered the GOF some time ago.


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And it's a good bet based on the distance these storms are from the radar site, that they are actually quite a bit stronger than they appear on radar.

Member Since: December 18, 2006 Posts: 7 Comments: 2686
GOES East Rapid Scan starts at 12:44 EST. Link

Excerpts:

*Date/Time of Initial Impact: *April 21, 2012** J-day 112 @ 1644 UTC*
*

*Date/Time of Expected End:*April 22, 2012 J-day 113 @ 0414 UTC****

*Length of Outage:*12.5 hours *
*

*Details/Specifics of Change:*Central and Southern FL WFO offices via
Southern Region requested RSO for severe weather concerns.

**There will be an increased number of GOES-13 (GOES-East) CONUS scans,
with decreased coverage for the Southern Hemisphere and smaller
Northern
Hemisphere scans.*
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Quoting hydrus:
This low will move further south than forecast.jmo


Doesn't make any sense if the Low has formed much further north then expected. The low is centered right on New Orleans, not even a Gulf Low... This increases and extends the severe weather risk northward.
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Slight risk for Florida tomorrow too..Maybe not...
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This low will move further south than forecast.jmo
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09Z SREF Ensemble, hugging the coast


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Quoting jrweatherman:


What is the reason for your sarcasm?
Every Floridian blogger knows that I almost always crack up a joke about Florida.Their is also a pretty good amount of people from Florida on here.I've always had a fascination with the states wild climate.
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This could be interesting..The 6 day.
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Quoting reedzone:
If you want to go by this... Low pressure is MUCH further to the north, not even in the Gulf... This would cause the threat for severe weather to increase and extend to Northern Florida. Models handled this very poorly. Just looking at the squall line, it's very dangerous, when you see dark colors in the Gulf, where you normally see them in Tropical Systems or Midwestern storms, you know these storms mean business.





That's a pretty correct map
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426. Zappy
So psyched! 3-5 inches forecasted for CT. This will place a huge dent in the deficit (5.97 at BDL and 6.79 at Bridgeport)
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Pressue is falling fairly rapidly here in SWFL. 1006.9
Down about 1mb in the past hour.
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Quoting jrweatherman:


What is the reason for your sarcasm? Could get nasty for a large part of the state..
Its harmless and part of her charm.
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Quoting presslord:
Is most of this gonna move by me (Charleston) offshore? Mucho thankso in advanceo!!!!!


Latest NAM has it right on the coast. 24 hour:

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Quoting reedzone:
If you want to go by this... Low pressure is MUCH further to the north, not even in the Gulf... This would cause the threat for severe weather to increase and extend to Northern Florida. Models handled this very poorly. Just looking at the squall line, it's very dangerous, when you see dark colors in the Gulf, where you normally see them in Tropical Systems or Midwestern storms, you know these storms mean business.

They actually put a tornado risk out for the southern half. DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0721 AM CDT SAT APR 21 2012

VALID 211300Z - 221200Z

...THERE IS A SLGT RISK OF SVR TSTMS LATER TODAY INTO EARLY SUNDAY
ACROSS THE CNTRL/SRN FL PENINSULA...

...SYNOPSIS...

MID AND UPPER-LEVEL JET STREAKS FROM THE NRN HIGH PLAINS INTO MID-MO
VALLEY WILL DIG SEWD TOWARD THE CONFLUENCE OF THE MS AND OH
RIVERS...CONTRIBUTING TO INTENSIFICATION OF MIDLEVEL TROUGH FROM THE
GREAT LAKES INTO TN VALLEY. THIS PATTERN EVOLUTION WILL HASTEN THE
EWD PROGRESSION OF UPPER LOW /CURRENTLY OFF THE LA COAST/ ACROSS THE
CNTRL/ERN GOM BEFORE TURNING MORE NEWD ACROSS THE FL PENINSULA LATE
TONIGHT INTO SUNDAY MORNING. ELSEWHERE...A SHORTWAVE TROUGH OVER
IL/IND INTO WRN PARTS OF KY/TN WILL WEAKEN TODAY WHILE PROGRESSING
ENEWD INTO THE NRN/CNTRL APPALACHIANS.

IN THE LOW LEVELS...BROAD LOW PRESSURE FROM SERN LA INTO THE CNTRL
GOM WILL CONSOLIDATE TODAY OVER THE ERN GULF BASIN WITH THIS FEATURE
TRACKING ACROSS THE NRN OR CNTRL FL PENINSULA TONIGHT...TO OFF THE
NERN FL COAST BY 22/12Z. THIS LOW PRESSURE WILL LINK WITH A COLD
FRONT ADVANCING EWD ACROSS THE NERN AND MID-ATLANTIC STATES.

...FL LATER TODAY INTO EARLY SUNDAY...

THE LOW-LATITUDE NATURE OF UPPER SYSTEM WILL MAINTAIN A FEED OF VERY
MOIST AIR FROM THE CARIBBEAN ACROSS PRE-FRONTAL WARM SECTOR WHERE
BOUNDARY LAYER DEWPOINTS WILL RANGE FROM THE MID 60S TO LOWER 70S.
HOWEVER...WIDESPREAD CLOUDS AND EPISODIC TSTM ACTIVITY WILL LIMIT
AIR MASS DESTABILIZATION WITH MLCAPE VALUES LIKELY REMAINING BELOW
1000-1500 J/KG.

WHILE ISOLATED SEVERE STORMS CAPABLE OF LOCALLY DAMAGING WINDS AND
PERHAPS A TORNADO WILL BE POSSIBLE TODAY...IT APPEARS THAT A
POTENTIALLY MORE SUBSTANTIAL SEVERE WEATHER THREAT WILL NOT
MATERIALIZE UNTIL THIS EVENING INTO TONIGHT. AT THIS TIME...BOTH
FORCING FOR ASCENT AND VERTICAL SHEAR WILL STRENGTHEN MARKEDLY IN
ADVANCE OF DEEP-LAYER CYCLONE OVER THE ERN GOM. THE SEVERE WEATHER
THREAT WILL BE MODULATED BY THE AMOUNT OF ANTECEDENT TSTM ACTIVITY
AND IT/S IMPACTS ON AIR MASS DESTABILIZATION. GIVEN SUFFICIENT
INSTABILITY...THE LARGE-SCALE PATTERN WILL BE SUPPORTIVE OF
SUPERCELLS AND BOWING STRUCTURES WITH AN ASSOCIATED RISK FOR
TORNADOES AND DAMAGING WINDS INTO EARLY SUNDAY.
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Quoting washingtonian115:
Ahhh!.It's the invasion of the Floridians!.


What is the reason for your sarcasm?
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If you want to go by this... Low pressure is MUCH further to the north, not even in the Gulf... This would cause the threat for severe weather to increase and extend to Northern Florida. Models handled this very poorly. Just looking at the squall line, it's very dangerous, when you see dark colors in the Gulf, where you normally see them in Tropical Systems or Midwestern storms, you know these storms mean business.



Member Since: July 1, 2008 Posts: 13 Comments: 7390

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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.