Dr. Jeff Masters' WunderBlog

Tornadoes, floods, and fires continue to pound U.S.
Posted by: Dr. Jeff Masters, 15:13 GMT le 27 avril 2011 +8
The nation's unprecedented April tornado-fest continued full force last night, with NOAA's Storm Prediction Center logging 57 tornado reports, 295 cases of damaging thunderstorm winds, and 254 reports of large hail. The 2-day tornado count from this latest huge April tornado outbreak is already 102. With another "high risk" forecast for tornadoes today, the tornado total for this week's outbreak may rival the April 14 - 16 tornado outbreak (155 confirmed tornadoes) as the greatest April tornado outbreak in history. It is unprecedented to have two such massive tornado outbreaks occur so close together, and the April preliminary tornado count of 654 is truly stunning. Even adjusting this number downwards 15% (the typical over-count in preliminary tornado reports) yields a probable April tornado total of 550. This easily crushes the previous April tornado record of 267, set in 1974. An average April has "only" 163 tornadoes, so we are already 300% over average for the month, and may approach 400% after today's outbreak. According to a list of tornado outbreaks maintained by Wikipedia, only two other tornado outbreaks have had as many as 150 twisters--the May 2004 outbreak (385), and the May 2003 outbreak (401). One positive note--there has only been one violent EF-4 or stronger tornado this year, despite the fact we've already had about 2/3 of the 1200 tornadoes one typically gets for the entire year. Over the past 20 years, we've averaged 7 violent EF-4 or EF-5 tornadoes per year, so we should have had 4 or 5 of these most dangerous of tornadoes so far this year.


Figure 1. Satellite image of last night's storm at 8pm EDT April 26, 2011. Image credit: NASA/GSFC.

Fortunately, no one was killed in last night's tornado frenzy, but four twisters caused injuries, with 7 injuries in Hesterman, Mississippi, and 3 in Beekman, Louisiana. Over 100 homes were damaged when a tornado struck Edom, Texas, approximately 75 miles East of Dallas. One woman was injured when her mobile home was destroyed. The only killer tornado of the current outbreak occurred on Monday night at 7:30 pm CDT when a 1/2 mile-wide EF-2 tornado struck the small town of Vilonia, Arkansas. Four people died in the town, where 50 - 80 buildings were destroyed. Tornado warnings were issued 30 minutes before the storm hit, contributing to the relatively low loss of life.


Figure 2. Storm chaser video of a tornado yesterday in Ben Wheeler, Texas.

Another very dangerous tornado outbreak expected today
The busiest April in history for tornadoes continues full-force today, as NOAA's Storm Prediction Center has issued their highest level of severe weather potential, a "High Risk" forecast, for Northern Alabama, Southern Tennessee, and adjoining portions of Georgia and Mississippi. This is the second day in a row, and third time this year, that SPC has issued a "High Risk" forecast. The devastating North Carolina tornado outbreak of April 16, which generated 52 confirmed tornadoes that killed 24 people in North Carolina and 2 people in Virginia, was the other "high risk" day. Numerous tornado warnings have already been issued in Tennessee, Kentucky, Georgia, Mississippi, Arkansas, Ohio, and Alabama this morning, but today's main action is expected to erupt late this afternoon as the cold front from a low pressure system currently over Arkansas moves eastwards over the "high risk" area. Strong daytime heating in a very moist, unstable airmass will allow a tremendous amount of energy to build up ahead of the front. The arrival of the cold front will force the warm, moist air upwards, allowing the pent-up energy to burst out and fuel supercell thunderstorms.

Related post: Are tornadoes getting stronger and more frequent?


Figure 3. Severe weather threat for Wednesday, April 27, 2011.

Unprecedented flooding predicted on Ohio River
This week's storm system, in combination with heavy rains earlier this month, have pushed the Ohio River and Mississippi River to near-record levels near their confluence. The Ohio River at Cairo, Illinois is expected to crest at 60.5 feet on May 1. This would exceed 100-year flood stage, and be the highest flood in history, besting the 59.5' mark of 1937. Heavy rains of 10 - 15 inches have inundated the region over the past few days, and one levee breach at Black River levee near Poplar Bluff, Missouri, has resulted in the evacuation of over 500 homes. Poplar Bluff has received 15.45" of rain since Friday morning. The greatest rain gauge-measured precipitation from the storm occurred in Springdale, Arkansas, where 19.70" inches has fallen since Friday morning.


Figure 4. The latest River Flood Outlook from NOAA shows major flooding is occurring over many of the nation's major rivers.

Extraordinary intentional levee breach of Mississippi River halted by lawsuit
In a sign of just how extreme this flooding situation is, yesterday the Army Corps of Engineers, which is responsible for flood control efforts on the Mississippi River, announced plans to intentionally destroy a levee protecting the west bank of the Mississippi River in Southwest Missouri. The destruction of the levee is intended to relieve pressure on the levees at Cairo, Illinois, at the confluence of the Mississippi and Ohio Rivers. Cairo is currently under a voluntary evacuation order. The levee to be destroyed, located at Birds Point, is called a "fuse-plug" levee, and was designed to be destroyed in the event of a record flood. The levee protects 132,000 acres of prime farmland along the New Madrid Spillway, which is designed to take 550,000 cubic feet per second of water flow out of the Mississippi and redirect it down a 3 - 10 mile wide, 36 - 56 mile long path along the west side of the Mississippi. An 11-mile long section of the levee upstream at Birds Point, and 5-mile long stretch at the downstream end, are set two feet lower than the surrounding levees and filled with holes to accommodate dynamite. These levees will be destroyed if the Army Corps has its way, but a lawsuit by the state of Missouri is currently blocking the way. The Army Corps has now agreed to wait until Saturday to decide whether or not to blow the levee. The Army Corps' website has an unofficial damage estimate of $100 million for destroying the levees and flooding the New Madrid Spillway. At least 100 people live in the spillway and have been evacuated, and it would likely take many years for the farms to recover after flooding. The levees have been blown and the spillway opened only once before, back during the record flood of 1937.

Midwest deluge enhanced by near-record Gulf of Mexico sea surface temperatures
The deluge of rain that caused this flood found its genesis in a flow of warm, humid air coming from the Gulf of Mexico. Sea surface temperatures (SSTs )in the Gulf of Mexico are currently close to 1 °C above average. Only two Aprils since the 1800s (2002 and 1991) have had April SSTs more than 1 °C above average, so current SSTs are among the highest on record. These warm ocean temperatures helped set record high air temperatures in many locations in Texas yesterday, including Galveston (84°F, a tie with 1898), Del Rio (104°F, old record 103° in 1984), San Angelo (97°F, old record 96° in 1994). Record highs were also set on Monday in Baton Rouge and Shreveport in Louisiana, and in Austin, Mineral Wells, and Cotulla la Salle in Texas. Since this week's storm brought plenty of cloud cover that kept temperatures from setting record highs in many locations, a more telling statistic of how warm this air mass was is the huge number of record high minimum temperature records that were set over the past two days. For example, the minimum temperature reached only 79°F in Brownsville, TX Monday morning, beating the previous record high minimum of 77°F set in 2006. In Texas, Austin, Houston, Port Arthur, Cotulla la Salle, Victoria, College Station, Victoria, Corpus Christi, McAllen, and Brownsville all set record high minimums on Monday, as did New Orleans, Lafayette, Monroe, Shreveport, and Alexandria in Louisiana, as well as Jackson and Tupelo in Mississippi. Since record amounts of water vapor can evaporate into air heated to record warm levels, it is not a surprise that incredible rains and unprecedented floods are resulting from this month's near-record warm SSTs in the Gulf of Mexico.


Figure 5. Departure of sea surface temperature from average for April 25, 2001. Image credit: NOAA/NESDIS.

Fierce winds fan Texas, New Mexico fires
Fierce winds fanned raging fires across eastern New Mexico and Western Texas yesterday, thanks to a powerful flow of air feeding into the Midwestern storm system. Temperatures in the upper 80s and low 90s combined with humidities less than 10% combined to make yesterday a nightmare fire day for firefighters attempting to control the worst springtime fires in the history of the region. At 3:53 pm MDT yesterday in Carlsbad, New Mexico, the temperature was 87°F, winds were 38 mph gusting to 46, and the humidity was 8%--a perfect storm for extreme fire weather. In Fort Stockton, Texas near the huge Rock House fire, the temperature was 91°F, winds were 35 mph gusting to 44, visibility was reduced to 5 miles due to haze and smoke, and the humidity was 5% at 5:53pm CDT. According to the Interagency Fire Center, wildfires in 2011 have already burned nearly 2.3 million acres in the U.S. This is the greatest acreage on record so early in the year, and is more area than burned all of last year. The largest U.S. acreage to burn since 1960 was the 9.9 million acres that burned in 2007, so we area already 25% of the way to the all-time record fire year--with summer still more than a month away. The fire weather forecast for today is better then yesterday, with winds not expected to blow nearly as strong.


Figure 6. Major wildfires and smoke plumes as visualized using our wundermap with the "fire" layer turned on.

For those who want to lend a helping hand to those impacted by the widespread destruction this month's severe weather has brought, stop by the portlight.org blog.

Jeff Masters
Rare Sight (Freakofnature1)
I haven't seen a storm like this in quite some time. Still no rain in Seguin, Tx. Pic taken in Seguin storm near Martindale.
Rare Sight
Mississippi @ Burlington (BURGuy)
Seating along the shore
Mississippi @ Burlington
Base of Anvil Cloud 4/26/11 (HuskerMama)
Taken within minutes after the storm cell had passed directly overhead.
Base of Anvil Cloud 4/26/11
Southern Lightning (WeatherRose)
This is a shot of a lightning strike associated with some severe storms moving through this evening in Southaven, MS.
Southern Lightning
Categories: Flood Tornado
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351. HarryMc 20:42 GMT le 27 avril 2011    
Quoting Ameister12:

Dang! That looks like a very strong tornado.


Just heard a broadcast that Arab, AL, EMS is requesting all available ambulances from neighboring towns.
Member Since: 30 Mars 2010 Posts: 4 Comments: 325
352. aspectre 20:43 GMT le 27 avril 2011    
136 ShenValleyFlyFish "Thanks. I knew before I asked that levies are a 2 edged sword. Didn't mean to set it swinging, just wondered what it would have looked like 500 years ago before anyone had tampered with the river. Been a lot of land under water."

Worse than that. And only hafta go back to the 1870s*.
If flood plains hadn't been converted into reliable agricultural lands...

...malaria would be rampaging through a large portion of the US east of the Rockies...

...especially the EastCoast south of NewJersey, in the MississippiValley, and on the GulfCoast, as well as much of NewMexico along the RioGrande, California's CentralValley, and Oregon's WilliametteValley.
The second map shows areas still afflicted in 1934-1935. Insecticides got WAY too much credit for mosquito control and the eradication of malaria.

* Before the discovery that the Plasmodium protists vectored/carried by mosquitoes were the cause of malaria.
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353. Neapolitan 20:44 GMT le 27 avril 2011    
TWC just upped Tor-Con to 10 for northern Alabama, meaning there's a 100% chance of a tornado passing within 50 miles of anyone in the area.
Member Since: 8 novembre 2009 Posts: 4 Comments: 11153
354. nocaneindy 20:44 GMT le 27 avril 2011    
TWC just gave north Alabama a 10 on their TORCON index! First time for that!
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355. Ameister12 20:44 GMT le 27 avril 2011    
Greg Forbes updated the 9 in Norther Alabama to a 10. That is certain that there is gonna be a tornado in that area.
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356. 1900hurricane 20:44 GMT le 27 avril 2011    
Repost since it got left on the last page.



WWUS40 KWNS 272027
WWP7

TORNADO WATCH PROBABILITIES FOR WT 0237
NWS STORM PREDICTION CENTER NORMAN OK
0327 PM CDT WED APR 27 2011

WT 0237
PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 70%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : 40%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 70%
PROB OF 1 OR MORE WIND EVENTS >= 65 KNOTS : 50%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 60%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 50%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95%

&&
ATTRIBUTE TABLE:
MAX HAIL /INCHES/ : 2.5
MAX WIND GUSTS SURFACE /KNOTS/ : 60
MAX TOPS /X 100 FEET/ : 500
MEAN STORM MOTION VECTOR /DEGREES AND KNOTS/ : 24035
PARTICULARLY DANGEROUS SITUATION : NO

&&
FOR A COMPLETE GEOGRAPHICAL DEPICTION OF THE WATCH AND
WATCH EXPIRATION INFORMATION SEE WOUS64 FOR WOU7.

$$






WWUS40 KWNS 272037
WWP8

TORNADO WATCH PROBABILITIES FOR WT 0238
NWS STORM PREDICTION CENTER NORMAN OK
0336 PM CDT WED APR 27 2011

WT 0238 PDS
PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 90%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : 80%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 90%
PROB OF 1 OR MORE WIND EVENTS >= 65 KNOTS : 80%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 80%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 70%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90%

&&
ATTRIBUTE TABLE:
MAX HAIL /INCHES/ : 3.0
MAX WIND GUSTS SURFACE /KNOTS/ : 70
MAX TOPS /X 100 FEET/ : 550
MEAN STORM MOTION VECTOR /DEGREES AND KNOTS/ : 24040
PARTICULARLY DANGEROUS SITUATION : YES

&&
FOR A COMPLETE GEOGRAPHICAL DEPICTION OF THE WATCH AND
WATCH EXPIRATION INFORMATION SEE WOUS64 FOR WOU8.

$$
Member Since: 2 août 2006 Posts: 43 Comments: 10365
357. emcf30 20:45 GMT le 27 avril 2011    
Man I go out to get a quick work out and it seems all of Hell broke loose. I saw a quick sky cams shot on TV when I walked in of a tornado. Looked like it was a good size. Where was that at?
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358. Titoxd 20:45 GMT le 27 avril 2011    
One more…

TORNADO WARNING
ALC071-089-095-272115-
/O.NEW.KHUN.TO.W.0070.110427T2025Z-110427T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
325 PM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO EMERGENCY FOR...
SOUTHEASTERN MADISON COUNTY IN NORTH CENTRAL ALABAMA...
SOUTHWESTERN JACKSON COUNTY IN NORTHEAST ALABAMA...
NORTHERN MARSHALL COUNTY IN NORTHEAST ALABAMA...


* UNTIL 415 PM CDT

* AT 319 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A LARGE AND EXTREMELY DANGEROUS TORNADO ABOUT NEAR ARAB...MOVING
NORTHEAST AT 45 MPH.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
HEBRON.
COLUMBUS CITY.
GRANT.
WOODVILLE.
LIM ROCK.
LARKINSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO HAS BEEN CONFIRMED. TAKE COVER IMMEDIATELY! DO NOT RUN
OUTSIDE TO FIND THE TORNADO...THIS IS A DANGEROUS AND POTENTIALLY
LIFE THREATENING SITUATION!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHERN ALABAMA AND CENTRAL TENNESSEE.

&&

LAT...LON 3454 8593 3448 8604 3448 8606 3446 8608
3433 8633 3453 8651 3475 8616
TIME...MOT...LOC 2024Z 232DEG 41KT 3441 8650

$$

CCC
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359. Neapolitan 20:45 GMT le 27 avril 2011    
Quoting emcf30:


Cullman, Al

Reports are that Cullman has been hit hard; the hospital is damaged, and people are trapped in their homes. Awaiting clarifying details...
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360. swampdawg 20:46 GMT le 27 avril 2011    
Quoting scott39:
Thanks, Timing would be the key. I would rather take my chances in a ditch, than being hit with shrapnel on the inside. Im going to be honest with you though, it would be scary as hell to run outside with an approaching tornado...and get down in a ditch with my family!


well, if you have time right now.......get your family together and GET OUT!!
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361. Titoxd 20:46 GMT le 27 avril 2011    
Fifth one I've seen in the last hour or so:

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
342 PM CDT WED APR 27 2011

ALC033-059-079-272100-
/O.CON.KHUN.TO.W.0069.000000T0000Z-110427T2100Z/
FRANKLIN AL-COLBERT AL-LAWRENCE AL-
342 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR WEST
CENTRAL LAWRENCE...SOUTHEASTERN COLBERT AND EASTERN FRANKLIN
COUNTIES…

...THIS IS A TORNADO EMERGENCY...

AT 338 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A TORNADO. THIS
TORNADO WAS LOCATED NEAR PHIL CAMPBELL...MOVING NORTHEAST AT 55 MPH.
THIS TORNADO HAS A HISTORY OF PRODUCING DAMAGE IN HACKLEBURG!

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PLEASANT RIDGE...THARPTOWN...NEWBURG...MT HOPE...LA GRANGE...SPRING
VALLEY AND LANDERSVILLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT WEDNESDAY EVENING
FOR NORTHERN ALABAMA AND CENTRAL TENNESSEE.

&&

LAT...LON 3436 8782 3469 8761 3444 8733 3430 8763
3431 8764
TIME...MOT...LOC 2042Z 230DEG 48KT 3442 8763

$$

BCC
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362. emcf30 20:47 GMT le 27 avril 2011    
I see the TORCON in now a 10 in AL and TN
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363. 1900hurricane 20:47 GMT le 27 avril 2011    
My twitter feed is exploding with severe weather updates! I had 343 new tweets for the duration of one class and I'm getting several per minute right now.
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364. Ameister12 20:48 GMT le 27 avril 2011    
Quoting HarryMc:


Just heard a broadcast that Arab, AL, EMS is requesting all available ambulances from neighboring towns.

Man. That sucks.
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365. Patrap 20:49 GMT le 27 avril 2011    
Member Since: 3 juillet 2005 Posts: 371 Comments: 111397
366. Minnemike 20:50 GMT le 27 avril 2011    
thanks for posting the pics emcf30.. many reports will be flying in!

this storm has got me wondering what factors establish such a slow moving longwave trough... how is it digging in so deeply and remaining seemingly stable in form over days? i'm just so used to seeing the snap apart of a typical shortwave or even the longwave troughs that pass through.
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367. Ameister12 20:52 GMT le 27 avril 2011    
Hydrus is in Mid Tennessee right now. I hope he's prepared.

PDS tornado watch for Tennessee.
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368. kwgirl 20:53 GMT le 27 avril 2011    
Good night all. I will say a prayer for everyone in the path of these storms. Stay safe everyone.
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369. emcf30 20:54 GMT le 27 avril 2011    
Quoting Minnemike:
thanks for posting the pics emcf30.. many reports will be flying in!

this storm has got me wondering what factors establish such a slow moving longwave trough... how is it digging in so deeply and remaining seemingly stable in form over days? i'm just so used to seeing the snap apart of a typical shortwave or even the longwave troughs that pass through.


Cant scan thru them fast enough and try to find out what is going on at the same time. My facebook is going nuts. I have lots of family in TN and KY so I been paying extra close attention.
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370. Patrap 20:54 GMT le 27 avril 2011    
Member Since: 3 juillet 2005 Posts: 371 Comments: 111397
371. jeffs713 20:55 GMT le 27 avril 2011    
Quoting Minnemike:
thanks for posting the pics emcf30.. many reports will be flying in!

this storm has got me wondering what factors establish such a slow moving longwave trough... how is it digging in so deeply and remaining seemingly stable in form over days? i'm just so used to seeing the snap apart of a typical shortwave or even the longwave troughs that pass through.
A blocking pattern over the Atlantic. Most of these low pressure systems in the trough are getting shunted over Canada and into the arctic.
Member Since: 3 août 2008 Posts: 15 Comments: 5722
373. Minnemike 20:56 GMT le 27 avril 2011    
Quoting jeffs713:
A blocking pattern over the Atlantic. Most of these low pressure systems in the trough are getting shunted over Canada and into the arctic.
of course! i saw that huge ridge on the steering maps when folks were all about 91L... Thanks!!
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374. StAugustineFL 20:57 GMT le 27 avril 2011    
Any info on those 2 cells west/southwest of Tuscaloosa on the state line? Dekalb appears to have been hit not once, but twice.
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375. Patrap 20:58 GMT le 27 avril 2011    
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
355 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN TUSCALOOSA...
SOUTHERN PICKENS...NORTHERN GREENE...NORTHERN HALE AND NORTH CENTRAL
SUMTER COUNTIES UNTIL 445 PM CDT...

...TORNADO EMERGENCY FOR GEIGER AND PANOLA...

AT 351 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS
TORNADO WAS LOCATED NEAR PANOLA...OR 18 MILES SOUTHWEST OF
ALICEVILLE...MOVING NORTHEAST AT 55 MPH.
Member Since: 3 juillet 2005 Posts: 371 Comments: 111397
376. Titoxd 20:58 GMT le 27 avril 2011    
They're issuing them faster than I can post them!


SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
355 PM CDT WED APR 27 2011

ALC063-065-107-119-125-272145-
/O.CON.KBMX.TO.W.0104.000000T0000Z-110427T2145Z/
SUMTER AL-HALE AL-GREENE AL-PICKENS AL-TUSCALOOSA AL-
355 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR SOUTHWESTERN TUSCALOOSA...
SOUTHERN PICKENS...NORTHERN GREENE...NORTHERN HALE AND NORTH CENTRAL
SUMTER COUNTIES UNTIL 445 PM CDT…

...TORNADO EMERGENCY FOR GEIGER AND PANOLA...

AT 351 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS
TORNADO WAS LOCATED NEAR PANOLA...OR 18 MILES SOUTHWEST OF
ALICEVILLE...MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
NEW WEST GREENE AROUND 400 PM CDT.
WEST GREENE AROUND 405 PM CDT.
MANTUA...BENEVOLA AND UNION AROUND 420 PM CDT.
JENA AND 8 MILES NORTHWEST OF KNOXVILLE AROUND 425 PM CDT.
COKER AND 8 MILES SOUTHEAST OF LAKE LURLEEN STATE PARK AROUND 440
PM CDT.
BRYANT DENNY STADIUM AROUND 445 PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE WARSAW...PLEASANT
RIDGE...LEWISTON...SNODDY...PIONEER...RALPH...ROM ULUS...FOSTERS...
FOSTERS BOAT LANDING AND PALMORE PARK.

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3303 8834 3338 8763 3301 8744 3272 8837
TIME...MOT...LOC 2055Z 242DEG 47KT 3292 8826

$$

27
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377. Patrap 20:59 GMT le 27 avril 2011    
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378. Ameister12 21:00 GMT le 27 avril 2011    
Multiple injuries being reported in Phil Campbell and Hackleburg. Hackleburg Fire Department asking for help
Member Since: 9 août 2009 Posts: 9 Comments: 3517
379. Patrap 21:00 GMT le 27 avril 2011    
Reports of debris falling 15 miles from the Large Tornado in Alabama
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380. emcf30 21:01 GMT le 27 avril 2011    
Quoting Neapolitan:

Reports are that Cullman has been hit hard; the hospital is damaged, and people are trapped in their homes. Awaiting clarifying details...


I had heard that and trying to bring up live audio feeds from the Counties that are affected, but all are offline. The closest I have right now is Huntsville PD.
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381. 1900hurricane 21:02 GMT le 27 avril 2011    
TWC Breaking
Kemper Co., MS confirms 3 dead from likely #tornado #severe
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382. Patrap 21:02 GMT le 27 avril 2011    
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383. Patrap 21:03 GMT le 27 avril 2011    
The Cullman Hospital is up and Running on Gen Power,with little damage to the Structure save for the roof.

As per CNN.
Member Since: 3 juillet 2005 Posts: 371 Comments: 111397
384. Grothar 21:04 GMT le 27 avril 2011    
Quoting emcf30:
I see the TORCON in now a 10 in AL and TN


They just mentioned it was the first time a 10 has ever been issued. Looks very serious.
Member Since: 17 juillet 2009 Posts: 56 Comments: 19525
385. shadoclown45 21:06 GMT le 27 avril 2011    
Tornado watch for western and central Pennsylvania I would personally expect that to get expanded to my area as the evening progresses.
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386. 1900hurricane 21:06 GMT le 27 avril 2011    


Photo of tornado near Jonesboro, AR
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387. IFuSAYso 21:06 GMT le 27 avril 2011    
Quoting scott39:
So... If you live in a Mobile Home and have time to react to a tornadoe....what do you do?
Link
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388. Titoxd 21:07 GMT le 27 avril 2011    
Three minutes separation from the previous one...

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
358 PM CDT WED APR 27 2011

ALC107-125-272115-
/O.CON.KBMX.TO.W.0102.000000T0000Z-110427T2115Z/
PICKENS AL-TUSCALOOSA AL-
358 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WEST CENTRAL TUSCALOOSA
AND EASTERN PICKENS COUNTIES UNTIL 415 PM CDT…

...TORNADO EMERGENCY FOR REFORM AND LUBBUB...

AT 356 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS
TORNADO WAS LOCATED NEAR REFORM...MOVING NORTHEAST AT 50 MPH.

THE TORNADO WILL BE NEAR...
ASHCRAFT CORNER AROUND 405 PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE LUBBUB AND MOORES
BRIDGE.

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3353 8817 3353 8767 3338 8759 3310 8816
3343 8818
TIME...MOT...LOC 2058Z 236DEG 42KT 3341 8796

$$

27
Member Since: 28 juin 2010 Posts: 0 Comments: 242
389. 1900hurricane 21:09 GMT le 27 avril 2011    
Extremely strong words out of Birmingham:

000
FXUS64 KBMX 272047
AFDBMX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
347 PM CDT WED APR 27 2011

...SIGNIFICANT SEVERE WEATHER OUTBREAK ONGOING...

.DISCUSSION...

A VERY DANGEROUS SITUATION IS CURRENTLY UNFOLDING ACROSS CENTRAL
ALABAMA...AND SUPERCELLS HAVE ERUPTED ACROSS THE NORTHERN AND
WESTERN SECTIONS OF THE CWA THIS AFTERNOON. A FEW TORNADOES HAVE
ALREADY TOUCHED DOWN...AND REPORTS OF MAJOR DAMAGE ARE STARTING TO
COME IN. THE 18Z SPECIAL SOUNDING THAT WAS PERFORMED PRESENTS A
DESTRUCTIVE SETUP...WITH 2700J/KG OF CAPE...EXTREMELY STEEP LAPSE
RATES...AND DRY AIR ALOFT. 0-3 KM HELICITY VALUES ARE ALMOST 700.
THE PARAMETERS WILL ONLY WORSEN AS WE GO THROUGHOUT THE REST OF
THE AFTERNOON AND EVENING. THE TIME FRAME FOR THE WORST SEVERE
WEATHER WILL PERSIST THROUGH THE EARLY AFTERNOON HOURS FOR
NORTHWEST SECTIONS OF THE STATE...ROUGHLY FROM 2PM TO
8PM...CENTRAL PORTIONS OF THE STATE...INCLUDING THE BIRMINGHAM
METRO AREA...FROM 4PM TO 10PM...AND THE SOUTHEAST SECTIONS FROM
6PM TO 2AM. I CANNOT STRESS HOW SERIOUS THIS SITUATION IS. DO
WHATEVER YOU CAN TO PROTECT YOUR LIFE AND PROPERTY NOW...YOUR LIFE
MAY DEPEND ON IT! ALL WEATHER WILL CLEAR THE AREA AFTER 6Z
TONIGHT...SO THE CLEANUP PROCESS CAN BEGIN.

56/GOGGINS
Member Since: 2 août 2006 Posts: 43 Comments: 10365
390. Ameister12 21:09 GMT le 27 avril 2011    
Damage in Cullman.
Member Since: 9 août 2009 Posts: 9 Comments: 3517
391. emcf30 21:09 GMT le 27 avril 2011    
Link

Live news feed ABC 22/40.
They have tons of tornados on the ground. Another one in Coleman co large stovepipe. 1/2 mile wide in Lawerence Co. Tn. Major damage being reported
Member Since: 7 août 2010 Posts: 0 Comments: 1926
392. shadoclown45 21:09 GMT le 27 avril 2011    
Quoting emcf30:
I see the TORCON in now a 10 in AL and TN


Only reason TORCON is a 10 is because there ARE tornados on the ground right now.
Member Since: 27 juillet 2008 Posts: 0 Comments: 107
393. Ameister12 21:09 GMT le 27 avril 2011    
Even more damage in Jasper.
Member Since: 9 août 2009 Posts: 9 Comments: 3517
395. Ameister12 21:12 GMT le 27 avril 2011    
TWC Breaking: Fatalities reported earlier in Kemper Co, MS were near the town of Preston
Member Since: 9 août 2009 Posts: 9 Comments: 3517
396. RitaEvac 21:12 GMT le 27 avril 2011    
Where's keeperofthegate?

would be saying tornados and damage everywhere, nothing to see here, move along.
Member Since: 14 juillet 2008 Posts: 1 Comments: 8899
397. hydrus 21:12 GMT le 27 avril 2011    
Gettin pounded .....This is bad..
Member Since: 27 septembre 2007 Posts: 1 Comments: 14281
398. Chicklit 21:13 GMT le 27 avril 2011    
Great article, IFuSaySo. Thanks for posting it.

Question: What is this divebomb exactly, to sum it up?

Loop

Member Since: 11 juillet 2006 Posts: 14 Comments: 10254
399. Titoxd 21:13 GMT le 27 avril 2011    
I lost count.

SEVERE WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
409 PM CDT WED APR 27 2011

ALC057-107-125-127-272200-
/O.CON.KBMX.TO.W.0106.000000T0000Z-110427T2200Z/
PICKENS AL-TUSCALOOSA AL-FAYETTE AL-WALKER AL-
409 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR WALKER...SOUTHERN
FAYETTE...NORTHWESTERN TUSCALOOSA AND NORTHEASTERN PICKENS COUNTIES
UNTIL 500 PM CDT…

...TORNADO EMERGENCY CONTINUES FOR NEW LEXINGTON...CONCORD...AND
MOORES BRIDGE
...

AT 405 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS
TORNADO WAS LOCATED 5 MILES SOUTHEAST OF ASHCRAFT CORNER...OR 10
MILES NORTH OF GORDO...MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
BERRY AND BANKSTON AROUND 425 PM CDT.
BOLEY SPRINGS AROUND 430 PM CDT.
OAKMAN AROUND 440 PM CDT.
PARRISH AROUND 445 PM CDT.
JASPER AND CORDOVA AROUND 450 PM CDT.
LYNNS PARK AND 8 MILES NORTHWEST OF BELOIT AROUND 455 PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE NEW LEXINGTON...WEST
CORONA...CORONA...GAMBLE AND MANCHESTER.

TO REPORT SEVERE WEATHER...CALL 1-800-856-0758.

LAT...LON 3353 8794 3355 8795 3400 8737 3399 8711
3390 8709 3389 8700 3387 8697 3380 8696
3379 8700 3372 8703 3348 8734 3333 8783
3350 8800
TIME...MOT...LOC 2108Z 234DEG 48KT 3348 8782

$$

27
Member Since: 28 juin 2010 Posts: 0 Comments: 242
400. hydrus 21:14 GMT le 27 avril 2011    
I have weird and freaky colored lightening outside...
Member Since: 27 septembre 2007 Posts: 1 Comments: 14281
401. Ameister12 21:14 GMT le 27 avril 2011    
Quoting hydrus:
Gettin pounded .....This is bad..

Where are you? Nashville?
Member Since: 9 août 2009 Posts: 9 Comments: 3517

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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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