Where's spring? 2nd most extreme March jet stream pattern on record extends winter

By: Dr. Jeff Masters , 3:15 PM GMT on March 20, 2013

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Punxatawney Phil got it way wrong. Pennsylvania's famous prognosticating rodent predicted just three more weeks of winter back on February 2. It's the first day of spring, but winter remains firmly entrenched over the eastern half of the U.S., where temperatures of 5 - 25°F below average have been the rule all week. The culprit is the jet stream, which has taken on an unusually contorted shape that is allowing cold air to spill down over the Eastern U.S. and Western Europe, but bringing near-record warmth to portions of Greenland. One measure of how contorted the jet stream has become is by measuring the difference in pressure between the Icelandic Low and the Azores High. There are two indices used to do this--one called the Arctic Oscillation (AO), which treats the flow over the entire Northern Hemisphere, and another called the North Atlantic Oscillation (NAO), which is more focused on the North Atlantic. The two are closely related about 90% of the time. When these indices are strongly negative, the pressure difference between the Icelandic Low and the Azores High is low. This results in a weaker jet stream, allowing it to take large, meandering loops, letting cold air to spill far to the south from the Arctic into the mid-latitudes. The AO index hit -5.2 today (March 20). This is the second most extreme March value of the index since record keeping began in 1948; only an AO value of -6.3 in March 1970 was more extreme. We've had some wildly variable jet stream patterns in recent years in the Northern Hemisphere. Just last year, we had the opposite extreme in March, when our ridiculous "Summer in March" heat wave brought a week of temperatures in the 80s to the Midwest U.S. The first day of spring today in Chicago, IL is expected to have a high temperature of just 25°F--a 60 degree difference from last year's high of 85°F on March 20!


Figure 1. The jet stream is taking a large dip to the south over the Eastern U.S., allowing cold air to spill southwards and bring winter-like conditions.

Unusual winter jet stream patterns tied to Arctic sea ice loss
Unusual jet stream contortions in winter have become increasingly common in recent years, according to a March 2013 paper by Tang et al., "Cold winter extremes in northern continents linked to Arctic sea ice loss". They found a mathematical relationship between wintertime Arctic sea ice loss and the increase in unusual jet stream patterns capable of bringing cold, snowy weather to the Eastern U.S., Western Europe, and East Asia, typical of what one sees during a strongly negative Arctic Oscillation. They theorized that sea ice loss in the Arctic promotes more evaporation, resulting in earlier snowfall in Siberia and other Arctic lands. The earlier snow insulates the soil, allowing the land to cool more rapidly. This results in a southwards shift of the jet stream and builds higher atmospheric pressures farther to the south, which increases the odds of cold spells and blocking high pressure systems that can cause extended periods of unusually cold and snowy weather in the mid-latitudes.

Related posts
From Heat Wave to Snowstorms, March Goes to Extremes by Andrew Freedman of Climate Central
Extreme jet stream causing record warmth in the east, record cold in the west (January 2013)
Arctic sea ice loss tied to unusual jet stream patterns (April 2012)
Our extreme weather: Arctic changes to blame? (December 2011)
Florida shivers; Hot Arctic-Cold Continents pattern is back (December 2010)
Jet stream moved northwards 270 miles in 22 years; climate change to blame? (June 2008)

I'll have a new post on Thursday.

Jeff Masters

()
Gusty Winds (novembergale)
High winds create huge waves behind ice dunes on Lake Erie this last day of winter.
Gusty Winds
After the blizzard (springsun)
Extreme severe winterconditions in the northeast of Germany, Kap Arkona. Source: wetterzentrale
After the blizzard

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Quoting VR46L:


I could have swore I saw a different Graphic before I refreshed the page ....



I saw this chomp dog...lol
Member Since: April 23, 2011 Posts: 104 Comments: 14873
417. VR46L
Quoting Astrometeor:


Your not the only one who is seeing things.

He did change the picture.


Glad I was not the only one who saw it !

I would have said paranoid hallucinations were taking a grip otherwise.
Member Since: March 1, 2012 Posts: 0 Comments: 6997
Quoting Tropicsweatherpr:


I see that you have only 2 majors. You think that the vertical instability will cause once again quantity over quality?


Yep. Same as last two seasons. Plenty of storms. Few intensifying as predicted due to lack of vertical instability, then being drawn north by a trough off the NE and recurving out to sea.

Small chance of a late season 'Sandy'.
Member Since: July 20, 2008 Posts: 0 Comments: 3011
Conflicting graphics...both official. Both updated today. Both for the tropical Atlantic.




^ Cropped.
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Quoting VR46L:


I could have swore I saw a different Graphic before I refreshed the page ....


Your not the only one who is seeing things.

He did change the picture.
sly dog.
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Quoting GeoffreyWPB:


Oh why the hell not....16-9-3...Send my prize to Grothar.


Grothar is with Pedley for 18-6-3...

So 16-9-3 is your bet?
Member Since: April 23, 2011 Posts: 104 Comments: 14873
hey largo im confused... i keep seeing the radar maps people post here and it looks like rain headed to tampa. then i look at baynews9 radar and looks like not much coming here, its all going south... i will admit i dont know much about these loops etc but do you think there maybe rain for tampa after all. we need it as im sure you know.
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Quoting trHUrrIXC5MMX:


alright...I get the 17 in there but would not want to have empty space for H and MH


Oh why the hell not....16-9-3...Send my prize to Grothar.
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Quoting CybrTeddy:
Looking at the conditions right now, I think 18-9-2 is a fair bet this season. I'll post my seasonal forecast sometime in May I imagine.


I see that you have only 2 majors. You think that the low vertical instability will cause once again quantity over quality tropical systems?
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Quoting TomTaylor:
ah why not, 17 for me.


alright...I get the 17 in there but would not want to have empty space for H and MH
Member Since: April 23, 2011 Posts: 104 Comments: 14873
Quoting trHUrrIXC5MMX:
I have 33 bloggers( and one more to add in) listed in my hurricane score card as you probably saw

who else wants to participate??....feel free to tell me your numbers here or in my blog...
ah, why not, 17 for me.
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407. whitewabit (Mod)
Winter hanging on for another week in central Illinois ..

No Active Advisories (US Severe Weather)

Wednesday
Partly cloudy in the morning, then clear. High of 28F with a windchill as low as 5F. Breezy. Winds from the WNW at 15 to 20 mph with gusts to 30 mph.

Wednesday Night
Partly cloudy. Low of 14F with a windchill as low as 5F. Winds from the NW at 5 to 20 mph.

Thursday
Clear in the morning, then partly cloudy. High of 34F. Winds less than 5 mph.

Thursday Night
Partly cloudy. Low of 25F. Winds less than 5 mph.

Friday
Partly cloudy. High of 43F. Winds less than 5 mph.

Friday Night
Partly cloudy. Low of 28F. Winds from the ENE at 5 to 10 mph.

Saturday
Partly cloudy in the morning, then overcast. High of 43F. Winds from the ENE at 10 to 15 mph.

Saturday Night
Overcast with a chance of rain, then a chance of snow and rain showers after midnight. Low of 32F with a windchill as low as 23F. Winds from the NE at 10 to 15 mph. Chance of precipitation 70% with accumulations up to 5 in. possible.

Sunday
Overcast with a chance of snow and rain showers, then a chance of snow and a chance of rain in the afternoon. High of 37F with a windchill as low as 23F. Breezy. Winds from the North at 10 to 20 mph. Chance of snow 70% with accumulations up to 1 in. possible.

Sunday Night
Overcast with a chance of snow. Low of 28F with a windchill as low as 19F. Winds from the NW at 10 to 15 mph. Chance of snow 50% with accumulations up to 1 in. possible.

Monday
Overcast. High of 37F with a windchill as low as 19F. Winds from the NW at 10 to 15 mph.

Monday Night
Mostly cloudy. Low of 27F with a windchill as low as 19F. Winds from the WNW at 5 to 10 mph.

Tuesday
Mostly cloudy with a chance of rain. High of 37F with a windchill as low as 19F. Winds from the NW at 10 to 15 mph. Chance of rain 20%.

Tuesday Night
Partly cloudy. Low of 25F. Winds from the NW at 5 to 10 mph.
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Quoting RTSplayer:


Being entertained by calamities actually is a problem.


thank you for that... although was not me who you quoted
Member Since: April 23, 2011 Posts: 104 Comments: 14873
Looking at the conditions right now, I think 18-9-2 is a fair bet this season. I'll post my seasonal forecast sometime in May I imagine.
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Quoting Astrometeor:


I thought the point was to have fun in attempting to predict the numbers. Just like tens of millions this time of year fill out their brackets for the NCAA basketball tournament, we fill out our hurricane brackets, if you will.

If people take issue with fun, well, I don't quite know a response to that.


Being entertained by calamities actually is a problem.
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403. VR46L
Quoting KEEPEROFTHEGATE:




I could have swore I saw a different Graphic before I refreshed the page ....
Member Since: March 1, 2012 Posts: 0 Comments: 6997
Quoting TropicalAnalystwx13:
Friday has the potential to be a big day in eastern Texas. Instability is more than sufficient, dewpoints are forecast to be in the 60s, winds are from the south at the low-levels and west from the mid- to upper-levels, there is no cap, EHI values are well over 2, and lifted indices are under -5.

Skew-T and Hodo:





Saturday looks to be the biggest threat in SE Louisiana, most of MS and AL.
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Quoting PalmBeachWeather:
That's very scary Skye... i always thought the green was from dust and surface grounds being picked up by turbulence..


Nah. It's the lightning shining through the hail. See a green storm, get the car in the garage and board up the windows. It might be golfball sized hail.
Member Since: July 20, 2008 Posts: 0 Comments: 3011
Quoting Skyepony:


Great pics. My favorite is this one by Alan Campbell in SW Brandon..That green in the sky really gives away the heavy hail..

That's very scary Skye... I always thought the green was from dust and surface grounds being picked up by turbulence..
Member Since: October 3, 2008 Posts: 0 Comments: 6000
Quoting PedleyCA:


My response would be Bite Me.


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HIGH PRESSURE BRINGS DRY AND CHILLY CONDITIONS ACROSS THE LOCAL AREA
FRIDAY THROUGH A GOOD PART OF SUNDAY...WHILE THE NEXT LOW PRESSURE
SYSTEM TRACKS THROUGH THE MIDWEST INTO THE OHIO VALLEY LATE ON
SUNDAY. A COASTAL LOW PRESSURE IS EXPECTED TO DEVELOP FROM THIS
SYSTEM...LIKELY IMPACTING THE MID-ATLANTIC STATES LATE ON SUNDAY AND
INTO MONDAY
. DETAILS OF THE FORECAST REMAIN UNCERTAIN THIS FAR OUT
DUE TO THE UNCERTAINTY IN THE STORMS TRACK AND INTENSITY.

AT THIS TIME...IT DOES APPEAR THAT THE LOCAL AREA WILL BE IMPACTED
BY THIS SYSTEM WITH ANOTHER MIXED RAIN/SNOW EVENT. THE LOW WILL THEN
MOVE AWAY FROM THE AREA TUESDAY AND WEDNESDAY.
Member Since: April 23, 2011 Posts: 104 Comments: 14873
Chance of sprinkles for Middle TN this evening. Checks radar, hmm:

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AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIAMI FL
519 PM EDT WED MAR 20 2013

.UPDATE...

THE FORECAST WAS UPDATED FOR THE SHORT TERM FOR THE ANTICIPATED
SHOWERS AND THUNDERSTORMS FORECAST ACROSS THE REGION. ALTHOUGH
SOME SHOWERS AND ISOLATED THUNDERSTORMS ARE OCCURRING ACROSS SOUTH
FLORIDA AND ADJACENT WATERS...MORE WIDESPREAD CONVECTION AND
HEAVIER SHOWERS HAVE NOT YET STARTED. THEREFORE THE FORECAST WAS
UPDATED TO REFLECT THE CHANGE IN TIMING OF THE EXPECTED GREATER
COVERAGE OF THE SHOWERS AND THUNDERSTORMS. THE LATEST MESOSCALE
GUIDANCE INDICATES THAT THE ACTIVE CONVECTION IN THE EASTERN GULF
COULD POTENTIALLY REACH THE OFF SHORE GULF WATERS AROUND 23Z THIS
EVENING...WHICH IS SOMEWHAT CONSISTENT WITH THE ESTIMATED TIME OF
ARRIVAL OF THE LINE OF OBSERVED THUNDERSTORMS IN THE EASTERN GULF.
SO THE FORECAST NOW INDICATES SCATTERED SHOWERS AND THUNDERSTORMS
BEGINNING LATE THIS AFTERNOON AS IS CURRENTLY OCCURRING ACROSS
MIAMI DADE AND BROWARD COUNTIES AND THEN INCREASING IN COVERAGE
IN THE EARLY EVENING.
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Quoting PedleyCA:


My response would be Bite Me.


Pinch me I'm dreaming.


(please don't, pinching and biting hurts)
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Quoting Astrometeor:


I thought the point was to have fun in attempting to predict the numbers. Just like tens of millions this time of year fill out their brackets for the NCAA basketball tournament, we fill out our hurricane brackets, if you will.

If people take issue with fun, well, I don't quite know a response to that.


My response would be Bite Me.
Member Since: Posts: Comments:
sunny day
Member Since: April 23, 2011 Posts: 104 Comments: 14873
Quoting Astrometeor:


I thought the point was to have fun in attempting to predict the numbers. Just like tens of millions this time of year fill out their brackets for the NCAA basketball tournament, we fill out our hurricane brackets, if you will.

If people take issue with fun, well, I don't quite know a response to that.


Ah, so the point is fun. Okey dokey.
Member Since: July 20, 2008 Posts: 0 Comments: 3011
Quoting trHUrrIXC5MMX:
I have 33 bloggers( and one more to add in) listed in my hurricane score card as you probably saw

who else wants to participate??....feel free to tell me your numbers here or in my blog...


No offense but the self glossing turns me off a bit. You promote your blog too much IMO.
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Quoting yonzabam:


Well, what is the point? As Levi pointed out recently, there's a mass of conflicting and shifting indicators. You may as well ask people to predict a card deal.


I thought the point was to have fun in attempting to predict the numbers. Just like tens of millions this time of year fill out their brackets for the NCAA basketball tournament, we fill out our hurricane brackets, if you will.

If people take issue with fun, well, I don't quite know a response to that.
Member Since: Posts: Comments:
Quoting yonzabam:


Well, what is the point? As Levi pointed out recently, there's a mass of conflicting and shifting indicators. You may as well ask people to predict a card deal.


I want to hear your words and his words again after NHC comes up with their numbers later in May
Member Since: April 23, 2011 Posts: 104 Comments: 14873
Quoting SPLbeater:


I dont have a range, I gave exact numbers...or do you mean something different?

I just had a nap, excuse the sloth brain.


alright,
In my case I'll never give a number but a range because there is a high chance of being wrong (which is ok)

you can pick anything you want, don't worry.

Also let me know if you want to make changes in the forecast.
Member Since: April 23, 2011 Posts: 104 Comments: 14873
Quoting trHUrrIXC5MMX:


if you nail the final numbers I'll make your hole row green...I'll add anither column to add the word verified and a check mark.

You don't have to nail the exact numbers, as long as you are within range you're good.


I dont have a range, I gave exact numbers...or do you mean something different?

I just had a nap, excuse the sloth brain.
Member Since: Posts: Comments:
While the US has been generally colder than normal this month--and continues to be so--things are not so in some/most other parts of the world. Japan, for instance, has been mostly warmer than normal for several weeks, leading to the country's fabled cherry trees blossoming the earliest they ever have this year, 10 full days ahead of the average. (Precise records for the event have been maintained since 1953.)
Member Since: November 8, 2009 Posts: 4 Comments: 13796
Quoting trHUrrIXC5MMX:


If I were to think like you on that I mostly likely would not even bother to come up with the chart nor to annoy people here asking them for information...
keep it cool.


Well, what is the point? As Levi pointed out recently, there's a mass of conflicting and shifting indicators. You may as well ask people to predict a card deal.
Member Since: July 20, 2008 Posts: 0 Comments: 3011
62 txjac: I think that AG is trying to get across is to Lead by Example instead of Do as I say and not as I do. Worked when I was raising my kids

A supermajority of cops don't think that handgun ownership is a good idea for most people.
An overwhelming supermajority think that high-capacity magazines for civilian use in semi-automatic handguns and rifles are a bad idea.
Very few think that cops should be disarmed while patrolling in an "armed for bear" society.

The problem with the "CO2 hypocrisy" argument is that it always devolves down to:
Breathing causes you to exhale CO2. After you quit breathing, I'll start thinking about whether society should encourage reductions in fossil fuel use.
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Quoting SPLbeater:


I like that.


if you nail the final numbers I'll make your whole row green...I'll add another column to add the word verified and a check mark.

You don't have to nail the exact numbers, as long as you are within range you're good.
Member Since: April 23, 2011 Posts: 104 Comments: 14873
Heading down to 23 tonight here in Middle TN... :(

Tonight
Clear 23 °F
Clear

Tomorrow
Chance of Rain 46 °F
Chance of Rain
20% chance of precipitation

Tomorrow Night
Chance of Snow 28 °F
Chance of Snow
40% chance of precipitation

Friday
Chance Rain 50 | 37 °F
Chance Rain
50% chance of precipitation

Saturday
Chance of a Thunderstorm 55 | 41 °F
Chance of T-storms
50% chance of precipitation
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Quoting trHUrrIXC5MMX:


a nice green box with a check mark and the word "verified" next to your numbers...

:)


I like that.
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Well needed moisture.

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Miami NWS Disco

THE ACARS AND THE SATELLITE DATA ARE SHOWING THAT THE 500 MBS HAVE
CONTINUE TO COOL DOWN TO -13/-14C EARLY THIS AFTERNOON. THIS WILL
ALLOW FOR ONE OR TWO STORMS TO BECOME STRONG WITH GUSTY WINDS UP
TO 50 MPH...SMALL HAIL...LIGHTNING STRIKES...AND LOCALLY HEAVY
RAINFALL.

MUCH DRIER AND COOLER WEATHER WILL FILTER INTO SOUTH FLORIDA FROM
THE NORTH LATE TONIGHT INTO THURSDAY NIGHT...AS HIGH PRESSURE SETTLES
INTO THE SOUTHEASTERN UNITED STATES FROM CENTRAL UNITED STATES AND
THE COLD FRONT CONTINUES TO MOVE INTO THE FLORIDA KEYS.
TEMPERATURES ON THURSDAY AND THURSDAY NIGHT WILL BE ABOUT 5 TO 10
DEGREES COOLER THAN AVERAGE FOR THIS TIME OF YEAR...WITH HIGHS IN
THE 70S AND LOWS IN THE 40S EXCEPT 50S OVER THE EAST COAST METRO
AREAS.
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Quoting RTSplayer:


I'm not bothering with numbers this year.

Even though I was more correct last year than any professional forecaster (and had a reasoned argument for it,) I've come to realize it's mostly pointless.

If the pros with multi-million dollar computers and software, and better access to real data, can't make consistent forecasts, why should I bother? After all, mine was just intuition and gut anyway. All I did was disagree with the ENSO forecast,and average El Nino and Neutral conditions, which still wasn't accurate, but was 50% better than the professional forecasts.

Doesn't prove I had any more "skill" than anyone else. If you make enough guesses, someone is sure to get the right number, regardless of how skillful or unskillful they are.


If I were to think like you on that I most likely would not even bother to come up with the chart nor to annoy people here asking them for information...
keep it cool.
Member Since: April 23, 2011 Posts: 104 Comments: 14873
well thats it for me..have a great night folks..stay safe out there.
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that yellow blog headed right at me..so far...
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Quoting MTWX:


We calling numbers for the season??

Put me down for 17-8-3...

Don't know why I picked those.. Just the first numbers that popped in my head... What do we get if we win??


I'm not bothering with numbers this year.

Even though I was more correct last year than any professional forecaster (and had a reasoned argument for it,) I've come to realize it's mostly pointless.

If the pros with multi-million dollar computers and software, and better access to real data, can't make consistent forecasts, why should I bother? After all, mine was just intuition and gut anyway. All I did was disagree with the ENSO forecast,and average El Nino and Neutral conditions, which still wasn't accurate, but was 50% better than the professional forecasts.

Doesn't prove I had any more "skill" than anyone else. If you make enough guesses, someone is sure to get the right number, regardless of how skillful or unskillful they are.
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east florida warnings getting a bit stronger now......NOW...
AN UPPER LEVEL DISTURBANCE OVER THE GULF OF MEXICO WILL MOVE TOWARD
EAST CENTRAL FLORIDA THIS EVENING. ADDITIONAL SHOWERS AND LIGHTNING
STORMS...SOME STRONG...WILL DEVELOP ACROSS THE EASTERN SIDE OF THE
FLORIDA PENINSULA AND MOVE EAST AT 25 TO 30 MPH TOWARD THE ATLANTIC
WATERS. THE MAIN THREAT WITH ANY STORMS WILL BE LOCAL HEAVY RAINFALL
BETWEEN ONE HALF AND ONE INCH PER HOUR...GUSTY WINDS TO 40 MPH...
SMALL HAIL AND FREQUENT CLOUD TO GROUND LIGHTNING STRIKES.

SHOWERS AND STORMS ARE EXPECTED TO PUSH INTO THE ATLANTIC BY LATE
EVENING WITH WINDS BECOMING NORTHWEST BEHIND A COLD FRONT BY
MIDNIGHT.

&&

ADDITIONAL DETAILS...INCLUDING GRAPHICS ARE AVAILABLE ONLINE AT:
HTTP://WWW.SRH.NOAA.GOV/MLB/BLOG.PHP

$$
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SHORT TERM FORECAST
NATIONAL WEATHER SERVICE MIAMI FL
445 PM EDT WED MAR 20 2013

FLZ070>074-173-202145-
COASTAL MIAMI DADE COUNTY FL-INLAND BROWARD COUNTY FL-INLAND COLLIER
COUNTY FL-INLAND MIAMI-DADE COUNTY FL-METRO BROWARD COUNTY
FL-METROPOLITAN MIAMI DADE FL-
445 PM EDT WED MAR 20 2013

.NOW...
AT 440 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
SHOWER 12 MILES NORTHWEST OF MICCOSUKEE RESORT MOVING EAST AT 20 MPH.

LOCATIONS THAT MAY BE AFFECTED INCLUDE...
MICCOSUKEE RESORT...THE INTERSECTION OF KROME AND KENDALL
DRIVE...EAST TOLL GATE ON ALLIGATOR ALLEY...THE HAMMOCKS...COUNTRY
WALK...INTERSECTION OF KROME AND U.S. 27 AND THE INTERSECTION OF
U.S. 27 AT PINES BLVD.

TORRENTIAL DOWNPOURS MAY ACCOMPANY THIS SHOWER. THE PRIMARY IMPACT
WILL HEAVY RAIN.

$$
KONARIK
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THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL FLORIDA.

.DAY ONE...TODAY AND TONIGHT.

.THUNDERSTORM IMPACT...
ADEQUATE MOISTURE...COLD AIR ALOFT AND UPPER LEVEL DISTURBANCES
WILL ALLOW MULTIPLE ROUNDS OF SHOWERS AND STORMS TO AFFECT EAST
CENTRAL FLORIDA TODAY. ADDITIONAL THUNDERSTORM DEVELOPMENT ACROSS
THE EASTERN GULF AND WESTERN PORTIONS OF THE FLORIDA PENINSULA
WILL MOVE ACROSS EAST CENTRAL FLORIDA BY LATE AFTERNOON INTO
EARLY EVENING. COLD AIR IN THE MID LEVELS OF THE ATMOSPHERE WILL
ALLOW FOR THE POSSIBILITY OF HAIL WITH THE STRONGEST THUNDERSTORMS.
LOCALLY HEAVY RAIN...GUSTY WINDS TO 45 MPH...AND CLOUD TO GROUND
LIGHTNING STRIKES WILL ALSO ACCOMPANY THE STRONGER STORMS TODAY.
AN AREA OF LOW PRESSURE IS EXPECTED TO MOVE OFFSHORE THIS EVENING
AND PULL A TRAILING COLD FRONT AWAY FROM THE AREA BY MIDNIGHT
ALLOWING ALL SHOWERS AND STORMS TO MOVE OFFSHORE INTO THE
ATLANTIC.
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Yup. Been pretty rainy for the Gulf Coast/SE for the past few weeks and more rain-a-coming........Not bad at all for an Enso neutral Spring; this and the pending northern snow melt/downstream flow will help alleviate drought issues down the road once we get into Summer; keep it coming....(without the tornadoes if possible).

Have a great one folks...........WW.
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368. MTWX
Quoting VR46L:


Hope it stays that way !


Unfortunately I know it won't...

Our severe season, which usually runs from about Jan. 1st to the end of May, has been wierd this year. We are having fewer instances of severe weather, but those few have been on the extreme side. Take Monday's hail and 80 MPH wind gusts, and Hattiesburg's tornado last month for example...
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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.

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