Tornadoes, floods, and fires continue to pound U.S.

By: Dr. Jeff Masters , 3:13 PM GMT on April 27, 2011

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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

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If in this one's path,,SEEK SHELTER IMMEDIATELY


Member Since: July 3, 2005 Posts: 428 Comments: 129796
Massive tornado headed straight at Downtown Tuscaloosa. It's unreal and a bad bad situation. Please dissipate!!
Member Since: July 15, 2006 Posts: 17 Comments: 10284
Prayers to all the WU members, and everyone, who is in the way of these horrible tornadoes. Northern Alabama is getting pounded right now.
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This one of those "oh shit" moments. 200,000+ people under a tornado emergency...


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

ALC125-272245-
/O.CON.KBMX.TO.W.0109.000000T0000Z-110427T2245Z/
TUSCALOOSA AL-
458 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR TUSCALOOSA COUNTY UNTIL
545 PM CDT…

...TORNADO EMERGENCY FOR RALPH...FOSTERS...INTERSTATE 20
59...TAYLORVILLE...AND TUSCALOOSA
...

AT 451 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO. THIS
TORNADO WAS LOCATED NEAR JENA...OR 15 MILES SOUTHWEST OF NORTHPORT...
MOVING NORTHEAST AT 55 MPH.

THE TORNADO WILL BE NEAR...
BRYANT DENNY STADIUM...MCFARLAND MALL AND NORTHPORT AROUND 505 PM
CDT.
UNIVERSITY MALL...HOLT AND TUSCALOOSA AROUND 510 PM CDT.
DEERLICK CREEK CAMPGROUNDS...LAKE WILDWOOD AND COALING AROUND 515
PM CDT.
BROOKWOOD AROUND 520 PM CDT.

OTHER LOCATIONS IMPACTED BY THE TORNADO INCLUDE LITTLE SANDY...
FLATWOODS...ENGLEWOOD...TUSCALOOSA MUNICIPAL AIRPORT...OLIVER LOCK
AND DAM...PALMORE PARK...UNIVERSITY OF ALABAMA QUAD...STILLMAN
COLLEGE...TAYLORVILLE AND LAKE TUSCALOOSA DAM.

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

LAT...LON 3357 8732 3353 8732 3351 8729 3350 8732
3347 8734 3340 8722 3337 8723 3331 8715
3331 8712 3324 8708 3324 8715 3320 8718
3314 8719 3314 8728 3307 8732 3301 8760
3303 8782 3315 8784
TIME...MOT...LOC 2156Z 244DEG 50KT 3312 8770

$$

27
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Member Since: July 3, 2005 Posts: 428 Comments: 129796
They keep coming…

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

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* TORNADO WARNING FOR...
BLOUNT COUNTY IN CENTRAL ALABAMA...
NORTH CENTRAL JEFFERSON COUNTY IN CENTRAL ALABAMA...
EAST CENTRAL WALKER COUNTY IN CENTRAL ALABAMA...

* UNTIL 600 PM CDT

* AT 451 PM CDT...STORM SPOTTERS AND THE NATIONAL WEATHER SERVICE
WERE TRACKING A LARGE AND EXTREMELY DANGEROUS TORNADO NEAR CORDOVA.
DOPPLER RADAR SHOWED THIS TORNADO MOVING NORTHEAST AT 60 MPH.

THIS IS A TORNADO EMERGENCY FOR EASTERN WALKER COUNTY. TAKE COVER
NOW!


* LOCATIONS IMPACTED INCLUDE...
DORA...SUMITON...CLEVELAND...BLOUNTSVILLE...ONEONT A...LYNNS PARK...
ROCKY HOLLOW...SIPSEY...ARKADELPHIA AND KIMBERLY.

THIS INCLUDES...
INTERSTATE 65 EXIT NUMBERS 280 THROUGH 282...
US 78 EXIT NUMBERS 65 THROUGH 72...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...TAKE COVER NOW. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING.

&&
Member Since: Posts: Comments:
ABC 33/40 showing live footage of a possible wedge tornado heading into Tuscaloosa.
Link
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One more...

TORNADO WARNING
ALC071-089-TNC051-103-272230-
/O.NEW.KHUN.TO.W.0088.110427T2156Z-110427T2230Z/

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

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO EMERGENCY FOR...
SOUTHWESTERN FRANKLIN COUNTY IN TENNESSEE...
SOUTHEASTERN LINCOLN COUNTY IN TENNESSEE...
NORTHEASTERN MADISON COUNTY IN NORTH CENTRAL ALABAMA...
NORTHWESTERN JACKSON COUNTY IN NORTHEAST ALABAMA
...

* UNTIL 530 PM CDT

* AT 453 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A TORNADO NEAR HAZEL GREEN MOVING NORTHEAST AT 55 MPH. A TORNADO
HAS BEEN CONFIRMED ON THE GROUND WITH DAMAGE REPORTED IN THE
ANDERSON HILLS COMMUNITY.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
PLEVNA.
ELORA.
HUNTLAND.
BEANS CREEK.
BELVIDERE.

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 3521 8623 3498 8605 3484 8654 3500 8663
3514 8636 3513 8636 3514 8635 3513 8634
3513 8631 3514 8630 3515 8632 3517 8631
TIME...MOT...LOC 2155Z 244DEG 50KT 3495 8651

$$

CCC
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463. skook
Tornado moving into the city of tuscaloosaLink


Link from Downtown
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Quoting Neapolitan:
The large multiple-vortex tornado coming into Tuscaloosa looks extremely damaging...

that tornado id huge heading there. picking up on the storm now on live cam heading straight for them
Member Since: August 7, 2010 Posts: 0 Comments: 1957
geeez louise

hi new guy- no time to shake hands and chit-chat

sorry

geeez louise

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Just got off phone w/ my brother in Chattanooga - he said it had been a rough day. One of his co-worker's homes was hit, lost all his windows but home still standing - he was relieved... Brother is hunkered down in basement now as this monster approaches.
Quoting aquak9:
comin' into chattanooga, that's a big one

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421- i'd rather be ignored than everybody ignoring this outbreak for a second to welcome the new guy. this is intense... way worse than it was here in NC
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Quoting aquak9:
Huntsville's waving the white flag



I wish the radar system wouldn't label a tornado heading toward a major city as F5... I hope Huntsville & Tuscaloosa are prepared... Is Mississippi almost out of the woods now?

I have an uncle in Duncanville at the extreme southern end of that Tuscaloosa tornado warning. He's hunkered down & hopefully safe.
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file:///C:/Program%20Files/GRLevelX/GRLevel3/27.png
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Quoting emcf30:
WOW, the velocity on the tornado heading to Oakman is off the charts >150kts


And it moved directly over Oakman...this is just nuts. Never seen so many powerful tornadoes on the ground all at once. Some people are tweeting that they're ignoring the warnings...
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Huntsville's waving the white flag

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Huge tornado on ABC live stream
Link
Member Since: August 7, 2010 Posts: 0 Comments: 1957
The large multiple-vortex tornado coming into Tuscaloosa looks extremely damaging...
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452. skook
live video of a tornado on the ground ABC
Link


wedge tornado on the ground, Near Northport
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Forbes said he has seen more debris balls so far today than he has seen at his entire career at TWC. Also today may break the super tornado outbreak in 74
Member Since: August 7, 2010 Posts: 0 Comments: 1957
New tornado watch:
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comin' into chattanooga, that's a big one

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So far...

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SPC: 3 dead, 2 injured today so far

http://www.spc.noaa.gov/climo/reports/today.html
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they're just everywhere

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Already posted.
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Quoting RitaEvac:
Debris ball on the hooks end

Parish it might...Its heading right at,em..
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Tornado near Wren, Mississippi.
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More tornado emergencies:

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

ALC089-TNC103-272200-
/O.CON.KHUN.TO.W.0083.000000T0000Z-110427T2200Z/
MADISON AL-LINCOLN TN-
442 PM CDT WED APR 27 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN LINCOLN AND NORTHERN MADISON COUNTIES…

...THIS IS A TORNADO EMERGENCY...

AT 439 PM CDT...LOCAL EMERGENCY MANAGEMENT CONTINUED TO TRACK A
LARGE AND EXTREMELY DANGEROUS TORNADO. THIS TORNADO WAS LOCATED
NEAR HARVEST...OR ABOUT 9 MILES NORTH OF MADISON...MOVING NORTHEAST
AT 55 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
GLADSTONE...MERIDIANVILLE...MOORES MILL...HAZEL GREEN...FISK...
DEPOSIT...LINCOLN...NEW MARKET...FLINTVILLE AND PLEVNA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A LARGE...EXTREMELY DANGEROUS AND POTENTIALLY DEADLY
TORNADO IS ON THE GROUND. TO PROTECT YOUR LIFE...TAKE COVER NOW! MOVE
TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING AND
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 3494 8630 3493 8632 3491 8632 3488 8634
3487 8634 3472 8678 3491 8679 3508 8642
TIME...MOT...LOC 2142Z 240DEG 47KT 3485 8671

$$

BCC
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Tornado emergency extended:

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

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

...A TORNADO WARNING REMAINS IN EFFECT FOR WALKER AND EXTREME EAST
CENTRAL FAYETTE COUNTIES UNTIL 500 PM CDT…

...TORNADO EMERGENCY CONTINUES FOR OAKMAN AND PARRISH IN WALKER
COUNTY.


AT 433 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CONFIRMED TORNADO. THIS TORNADO WAS LOCATED NEAR BOLEY SPRINGS...OR
17 MILES SOUTHWEST OF CORDOVA...MOVING NORTHEAST AT 60 MPH.

THIS TORNADO WILL BE NEAR...
PARRISH...GORGAS AND GORGAS STEAM PLANT AROUND 445 PM CDT.
CORDOVA...BELOIT AND 9 MILES SOUTHEAST OF JASPER AROUND 450 PM CDT.
ROCKY HOLLOW...SIPSEY...LYNNS PARK AND SUMITON AROUND 455 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADO INCLUDE GOODSPRINGS...MILLER
STEAM PLANT AND EMPIRE.

THIS INCLUDES...
US 78 EXIT NUMBERS 57 THROUGH 78...

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.

&&

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

LAT...LON 3399 8711 3390 8709 3389 8700 3387 8697
3380 8696 3379 8700 3372 8703 3360 8718
3362 8746 3371 8752 3400 8720
TIME...MOT...LOC 2138Z 242DEG 54KT 3367 8737

$$

61
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Quoting RitaEvac:
Debris ball on the hooks end


Hairy. I was watching a thunderstorm once in Pa. and insulation started falling out of the sky. End of show!
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Quoting aquak9:
gamma- your dad's ok -storms just moved past him to the east


Thanks Aqua, I am thinking most of these storms are now East of my family in the Mid South.
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Statement as of 4:39 PM CDT on April 27, 2011
... A Tornado Warning remains in effect for Walker and extreme east
central Fayette counties until 500 PM CDT...

... Tornado emergency continues for Oakman and Parrish in Walker County.

At 433 PM CDT... National Weather Service Doppler radar was tracking a confirmed tornado. This tornado was located near Boley Springs... or 17 miles southwest of Cordova... moving northeast at 60 mph.

This tornado will be near...
Parrish... Gorgas and Gorgas steam plant around 445 PM CDT.
Cordova... Beloit and 9 miles southeast of Jasper around 450 PM CDT.
Rocky Hollow... Sipsey... Lynns Park and Sumiton around 455 PM CDT.

Other locations impacted by this tornado include Goodsprings... Miller steam plant and Empire.

This includes... US 78 exit numbers 57 through 78...

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.


To report severe weather... call 1-800-856-0758.

Lat... Lon 3399 8711 3390 8709 3389 8700 3387 8697
3380 8696 3379 8700 3372 8703 3360 8718
3362 8746 3371 8752 3400 8720
time... Mot... loc 2138z 242deg 54kt 3367 8737


Member Since: July 11, 2006 Posts: 14 Comments: 11423
Parrish or near it gonna get it
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WOW, the velocity on the tornado heading to Oakman is off the charts >150kts
Member Since: August 7, 2010 Posts: 0 Comments: 1957
Debris ball on the hooks end

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Quoting jitterboy:
Some one spoke of seeing a debris field on the radar. What exactly will that look like? Thanks

You can tell when there is a debris ball when it appears there is really heavy rain or hail around the rotation of the supercell. It's actually debris being picked up into the storm.
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More emergencies coming:

TORNADO WARNING
ALC089-TNC103-272200-
/O.NEW.KHUN.TO.W.0083.110427T2137Z-110427T2200Z/

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

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* TORNADO EMERGENCY FOR...
SOUTHEASTERN LINCOLN COUNTY IN TENNESSEE...
NORTHERN MADISON COUNTY IN NORTH CENTRAL ALABAMA...


* UNTIL 500 PM CDT

* AT 434 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A TORNADO NEAR HARVEST...OR ABOUT 7 MILES NORTHWEST OF MADISON...
MOVING NORTHEAST AT 55 MPH. A TORNADO HAS BEEN CONFIRMED ON THE
GROUND OLD RAILROAD BED NEAR HARVEST.

* LOCATIONS NEAR THE PATH OF THIS TORNADO INCLUDE...
GLADSTONE.
MERIDIANVILLE.
PLEVNA.
FLINTVILLE.

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 3494 8630 3493 8632 3491 8632 3488 8634
3487 8634 3472 8678 3491 8679 3508 8642
TIME...MOT...LOC 2136Z 244DEG 50KT 3481 8677

$$

CCC
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Quoting jitterboy:
Some one spoke of seeing a debris field on the radar. What exactly will that look like? Thanks


looks like big furry mess with angry teeth- feral cousin of DebrisBall
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Quoting Patrap:
NOT REAL time,,File Image

Quoting Patrap:
NOT REAL time,,File Image


So extreme reflectivity co-located with a hook echo.
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gamma- your dad's ok -storms just moved past him to the east
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Member Since: July 3, 2005 Posts: 428 Comments: 129796
Quoting Patrap:
.."Hold fast this tempest Oh Almighty one,,for Lives cannot be replaced"..

AMEN
Member Since: August 7, 2010 Posts: 0 Comments: 1957
Quoting jitterboy:
Some one spoke of seeing a debris field on the radar. What exactly will that look like? Thanks



NOT REAL time,,File Image

Member Since: July 3, 2005 Posts: 428 Comments: 129796
Some one spoke of seeing a debris field on the radar. What exactly will that look like? Thanks
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Member Since: July 3, 2005 Posts: 428 Comments: 129796
Every single cell in Alabama is tornadic and likely producing a tornado.
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.."Hold fast this tempest Oh Almighty one,,for Lives cannot be replaced"..
Member Since: July 3, 2005 Posts: 428 Comments: 129796

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About

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

Local Weather

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JeffMasters's Recent Photos

Lake Effort Snow Shower Over Windsor, Ontario
Sunset on Dunham Lake
Pictured Rocks Sunset
Sunset on Lake Huron