June 7 - 13 Severe Weather

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#381 Postby Dave » Fri Jun 12, 2009 2:45 pm

Live coverage from Little Rock

http://www.thv2.com/
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#382 Postby Dave » Fri Jun 12, 2009 2:50 pm

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR

248 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN CONWAY COUNTY IN CENTRAL ARKANSAS
NORTHERN FAULKNER COUNTY IN CENTRAL ARKANSAS
NORTHWESTERN WHITE COUNTY IN CENTRAL ARKANSAS
BAXTER COUNTY IN NORTH CENTRAL ARKANSAS
CLEBURNE COUNTY IN NORTH CENTRAL ARKANSAS
FULTON COUNTY IN NORTH CENTRAL ARKANSAS
WESTERN INDEPENDENCE COUNTY IN NORTH CENTRAL ARKANSAS
IZARD COUNTY IN NORTH CENTRAL ARKANSAS
EASTERN MARION COUNTY IN NORTH CENTRAL ARKANSAS
EASTERN SEARCY COUNTY IN NORTH CENTRAL ARKANSAS
SOUTHWESTERN SHARP COUNTY IN NORTH CENTRAL ARKANSAS
STONE COUNTY IN NORTH CENTRAL ARKANSAS
VAN BUREN COUNTY IN NORTH CENTRAL ARKANSAS

* UNTIL 345 PM CDT

* AT 248 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM GASSVILLE TO DAMASCUS...
MOVING EAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
GUY...
SHIRLEY...
SALESVILLE...
NORFORK...
QUITMAN...
FIFTY SIX...
GREERS FERRY...
POST OAK...
PINEVILLE...
CALICO ROCK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING.
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#383 Postby Dave » Fri Jun 12, 2009 3:00 pm

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR

258 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN LONOKE COUNTY IN CENTRAL ARKANSAS
PRAIRIE COUNTY IN CENTRAL ARKANSAS
EXTREME SOUTHEASTERN PULASKI COUNTY IN CENTRAL ARKANSAS
SOUTHEASTERN WHITE COUNTY IN CENTRAL ARKANSAS
NORTHERN MONROE COUNTY IN EASTERN ARKANSAS
SOUTHERN WOODRUFF COUNTY IN EASTERN ARKANSAS

* UNTIL 400 PM CDT

* AT 256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF
MCRAE TO CABOT...LITTLE ROCK AND BENTON...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
HICKORY PLAINS...
HIGGINSON...
CARLISLE...
KENSETT...
WEST POINT...
ENGLAND...
HAZEN...
GEORGETOWN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF STORMS HAS A HISTORY OF PRODUCING UP TO HURRICANE FORCE
WINDS...
WITH NUMEROUS REPORTS OF TREES AND POWER LINES DOWNED. THESE
ARE DANGEROUS STORMS! PEOPLE OUTSIDE SHOULD MOVE TO A
SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
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#384 Postby CrazyC83 » Fri Jun 12, 2009 3:02 pm

New watch coming out.

Little change at 20Z, except the MDT was cut back to only cover areas ahead of the derecho (threat lower behind it).
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#385 Postby CrazyC83 » Fri Jun 12, 2009 3:05 pm

SEL9

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 389
NWS STORM PREDICTION CENTER NORMAN OK
300 PM CDT FRI JUN 12 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

MUCH OF NORTHERN AND CENTRAL ALABAMA

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 300 PM UNTIL
1000 PM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 65 MILES SOUTHWEST
OF MUSCLE SHOALS ALABAMA TO 45 MILES NORTHEAST OF ANNISTON
ALABAMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 387...WW 388...

DISCUSSION...WITH A VERY UNSTABLE AND VIRTUALLY UNCAPPED
AIRMASS...THUNDERSTORMS WILL INCREASE IN NUMBER AND INTENSITY ACROSS
THE WATCH AREA. WITH MLCAPES TO 3000 J/KG AND 30KT OF DEEP LAYER
SHEAR...STRONGEST STORMS WILL PRODUCE LARGE HAIL AND LOCAL DAMAGING
WINDS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 27025.


...HALES

Personally, I would have only had the watch until 8 pm, then re-evaluate for the derecho.
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#386 Postby CrazyC83 » Fri Jun 12, 2009 3:07 pm

The watch mostly covers activity ahead of the derecho, which is why I think 10 pm is too long for it, since a PDS watch would be needed then (but not now) if the derecho holds up.
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#387 Postby Dave » Fri Jun 12, 2009 3:08 pm

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Re: June 7 - ? Severe Weather - PDS Severe T-Storm Watch

#388 Postby CrazyC83 » Fri Jun 12, 2009 3:08 pm

SPC AC 121959

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0259 PM CDT FRI JUN 12 2009

VALID 122000Z - 131200Z

...THERE IS A MDT RISK OF SVR TSTMS FROM ERN AR INTO WRN TX/NRN
MS/NWRN AL...

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE SRN PLAINS EWD INTO
THE ATLANTIC COAST STATES...

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE CO FRONT RANGE AND
VICINITY...

...MID MS VALLEY REGION...
WELL-ORGANIZED MCS CONTINUES MOVING ESEWD ACROSS NRN AND CENTRAL AR
ATTM...THROUGH A MODERATELY-UNSTABLE AIRMASS WHICH EXTENDS ESEWD
DOWNSTREAM OF THE ONGOING STORMS ALONG A SURFACE COLD FRONT. OTHER
CONVECTION IS DEVELOPING AHEAD OF THE MCS OVER NRN MS AND NWRN AR.

WIDESPREAD DAMAGING WINDS HAVE OCCURRED WITH THE ESEWD-MOVING
MCS...AND WILL LIKELY CONTINUE DOWNSTREAM ACROSS ERN AR...PARTS OF
WRN TN...AND INTO NRN MS AND LATER NRN AL AS THIS MCS CONTINUES
SHIFTING ESEWD THROUGH THE EVENING AND INTO THE OVERNIGHT HOURS.

PRIOR TO THE ARRIVAL OF THIS STORM CLUSTER...OTHER DEVELOPING
CONVECTION WILL ALSO BE CAPABLE OF PRODUCING DAMAGING WINDS AND
LARGE HAIL...AS MODERATE WNWLY FLOW ALOFT PERSISTS ACROSS THIS
REGION.

...OK SWD INTO CENTRAL TX...
WEAK RIDGING ALOFT CONTINUES ACROSS THE SRN PLAINS...WHICH CONTINUES
TO CAP AN OTHERWISE EXTREMELY UNSTABLE ENVIRONMENT. GIVEN THE
DEGREE OF INSTABILITY AND SHEAR FAVORABLE FOR SUPERCELLS...SEVERE
THREAT CONTINUES ACROSS THIS REGION. THE THREAT IS CONDITIONAL UPON
STORM DEVELOPMENT...AND ATTM ISOLATED DEVELOPMENT IS STILL EXPECTED
-- BOTH ALONG THE CENTRAL TX DRYLINE...AND OVER THE SRN HALF OF OK
INVOF THE REMNANT OUTFLOW BOUNDARY LEFT OVER FROM EARLIER MCS. ANY
STORMS WHICH DO DEVELOP WILL BE CAPABLE OF PRODUCING VERY LARGE HAIL
AND DAMAGING WINDS...AND AN ISOLATED TORNADO WILL ALSO BE POSSIBLE.

STORMS MAY ALSO INCREASE ACROSS OK -- PARTICULARLY N OF THE OUTFLOW
-- LATER THIS EVENING...AS SLY LOW-LEVEL JET INCREASES. SEVERE
POTENTIAL WOULD EXIST WITH THE DEVELOPING STORMS...GIVEN THE OVERALL
KINEMATIC AND THERMODYNAMIC ENVIRONMENT.

...ERN CO...
CONVECTION IS DEVELOPING INVOF THE PALMER DIVIDE...WITH TCU
INCREASING ELSEWHERE ALONG THE FRONT RANGE SWD TO NERN NM -- IN
BROAD ZONE OF WEAK ELY LOW-LEVEL UPFLOPE FLOW. STORMS SHOULD
CONTINUE TO INCREASE THROUGH THE AFTERNOON AS WEAK DESTABILIZATION
CONTINUES...AND WITH VEERING FLOW BENEATH MID-LEVEL WLYS...SHEAR
SUFFICIENT FOR STORM ORGANIZATION/ROTATION APPEARS TO EXIST.
THUS...EXPECT ISOLATED SEVERE STORM DEVELOPMENT THIS
AFTERNOON...INCLUDING THE THREAT FOR LARGE HAIL AND LOCALLY-DAMAGING
WINDS...AND PERHAPS AN ISOLATED TORNADO.

...CENTRAL PLAINS...
CONVECTION CONTINUES TO DEVELOP FROM SERN NEB SWWD INTO CENTRAL
KS...ALONG A WEAK SURFACE TROUGH ASSOCIATED WITH AN UPPER VORT MAX
CROSSING THE MID MO VALLEY REGION. WITH 500 TO 1000 J/KG
MIXED-LAYER CAPE AND MODERATE WLY MID-LEVEL FLOW...A FEW
MARGINALLY-SEVERE CELLS MAY EVOLVE THIS AFTERNOON.

FARTHER WEST...STORMS MOVING OFF THE HIGHER TERRAIN OF CO LATER THIS
AFTERNOON/EVENING MAY BRING A LIMITED SEVERE THREAT TO PORTIONS OF
WRN KS.

...MID-ATLANTIC REGION SWWD INTO GA...
SCATTERED STORMS CONTINUE DEVELOPING INVOF THE WEAK COOL FRONT
DRAPED ACROSS THIS REGION...WHERE MODERATE DESTABILIZATION HAS
OCCURRED. WHILE RELATIVELY WEAK DEEP-LAYER WIND FIELD SHOULD
CONTINUE TO LIMIT STORM ORGANIZATION/LONGEVITY...BRIEFLY-STRONGER
STORM PULSES WILL CONTINUE TO OCCUR THROUGH EARLY EVENING...WITH
MARGINAL HAIL/LOCALLY-DAMAGING WINDS POSSIBLE.

..GOSS.. 06/12/2009
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#389 Postby Dave » Fri Jun 12, 2009 3:09 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR

308 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...
NORTHERN PRAIRIE COUNTY IN CENTRAL ARKANSAS
SOUTHEASTERN WHITE COUNTY IN CENTRAL ARKANSAS
NORTH CENTRAL MONROE COUNTY IN EASTERN ARKANSAS
SOUTHERN WOODRUFF COUNTY IN EASTERN ARKANSAS

* UNTIL 345 PM CDT

* AT 307 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES NORTH OF
HICKORY PLAINS...MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
BELCHER...
GEORGETOWN...
DIXIE...
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#390 Postby Dave » Fri Jun 12, 2009 3:10 pm

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR

305 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN GRANT COUNTY IN CENTRAL ARKANSAS
NORTHWESTERN JEFFERSON COUNTY IN SOUTHEAST ARKANSAS

* UNTIL 400 PM CDT

* AT 305 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS
STORM WAS LOCATED NEAR BENTON...MOVING SOUTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
ICO...
SHERIDAN...
REDFIELD...
PINE BLUFF ARSENAL...
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#391 Postby Dave » Fri Jun 12, 2009 3:23 pm

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Re: June 7 - ? Severe Weather - PDS Severe T-Storm Watch

#392 Postby MGC » Fri Jun 12, 2009 3:25 pm

Quite a MCS...Lets see if it holds together to hit Memphis. How long ago did that big MCS hit Memphis?....MGC
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#393 Postby Dave » Fri Jun 12, 2009 3:29 pm

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR

328 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN WHITE COUNTY IN CENTRAL ARKANSAS
JACKSON COUNTY IN EASTERN ARKANSAS
NORTHERN WOODRUFF COUNTY IN EASTERN ARKANSAS
SOUTH CENTRAL INDEPENDENCE COUNTY IN NORTH CENTRAL ARKANSAS

* UNTIL 415 PM CDT

* AT 328 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM CONCORD...TO
PANGBURN AND SEARCY...MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
BALD KNOB...
RUSSELL...
PLEASANT PLAINS...
AUGUSTA...
PATTERSON...
MCCRORY...
TUPELO...
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#394 Postby Dave » Fri Jun 12, 2009 3:34 pm

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#395 Postby Dave » Fri Jun 12, 2009 3:35 pm

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR

332 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL GRANT COUNTY IN CENTRAL ARKANSAS
EXTREME SOUTHEASTERN PRAIRIE COUNTY IN CENTRAL ARKANSAS
SOUTHERN MONROE COUNTY IN EASTERN ARKANSAS
ARKANSAS COUNTY IN SOUTHEAST ARKANSAS
NORTHERN DESHA COUNTY IN SOUTHEAST ARKANSAS
JEFFERSON COUNTY IN SOUTHEAST ARKANSAS
NORTHERN LINCOLN COUNTY IN SOUTHEAST ARKANSAS

* UNTIL 430 PM CDT

* AT 332 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 80 MPH. THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM 17 MILES NORTH OF HOLLY
GROVE TO STUTTGART TO 7 MILES WEST OF WHITE HALL...MOVING SOUTHEAST
AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
ALTHEIMER AROUND 340 PM CDT...
PINE BLUFF...LAKE PINE BLUFF...BAYOU METO STATE GAME AREA AROUND
345 PM CDT...
HOLLY GROVE AROUND 350 PM CDT...
GRIDER FIELD...DE WITT AROUND 355 PM CDT...
ST. CHARLES AROUND 400 PM CDT...
GRADY AROUND 415 PM CDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
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#396 Postby Dave » Fri Jun 12, 2009 3:39 pm

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN

337 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CROSS COUNTY IN EASTERN ARKANSAS...
LEE COUNTY IN EASTERN ARKANSAS...
NORTHERN PHILLIPS COUNTY IN EASTERN ARKANSAS...
ST. FRANCIS COUNTY IN EASTERN ARKANSAS...
NORTHWESTERN TUNICA COUNTY IN NORTHWEST MISSISSIPPI...

* UNTIL 415 PM CDT

* AT 336 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS PRODUCING DESTRUCTIVE WINDS IN EXCESS
OF 70 MPH
. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
20 MILES NORTHWEST OF WHEATLEY TO 8 MILES SOUTHWEST OF WHEATLEY
TO 25 MILES SOUTHWEST OF GARRET GROVE...AND MOVING EAST AT 50 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PALESTINE...MARIANNA...FORREST CITY...MARVELL...VILLAGE CREEK
STATE PARK...MADISON...ST FRANCIS NATIONAL PARK...WEST
HELENA...HUGHES AND HELENA. THIS WARNING ALSO INCLUDES MIDWAY
LAKE AND TUNICA LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP.
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#397 Postby Dave » Fri Jun 12, 2009 3:41 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR

337 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...
NORTHEASTERN WHITE COUNTY IN CENTRAL ARKANSAS
SOUTHERN JACKSON COUNTY IN EASTERN ARKANSAS
NORTHERN WOODRUFF COUNTY IN EASTERN ARKANSAS
EXTREME SOUTHEASTERN INDEPENDENCE COUNTY IN NORTH CENTRAL ARKANSAS

* UNTIL 415 PM CDT

* AT 337 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES
NORTHWEST OF BRADFORD...MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
WELDON...
TUPELO...
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#398 Postby Dave » Fri Jun 12, 2009 3:47 pm

MESOSCALE DISCUSSION 1080
NWS STORM PREDICTION CENTER NORMAN OK
0322 PM CDT FRI JUN 12 2009

AREAS AFFECTED...CNTRL AR INTO SWRN TN AND NRN MS

CONCERNING...SEVERE THUNDERSTORM WATCH 388...

VALID 122022Z - 122145Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 388
CONTINUES.

THROUGH 22Z...THE POTENTIAL FOR WIDESPREAD DAMAGING WINDS WILL EXIST
ALONG THE I-40 CORRIDOR FROM E OF LIT TO NEAR OR S OF MEM.

A CLASSIC BOW ECHO REMAINS IN PROGRESS THIS AFTERNOON ALONG
IMMEDIATE COOL SIDE OF SURFACE BOUNDARY WITH THE CREST OF THE BOW
LOCATED OVER WHITE AND LONOKE COUNTIES AS OF 2010Z. SYSTEM MOTION
WAS 280/50-55 KT WITH EXTRAPOLATION TAKING IT ALONG THE I-40
CORRIDOR NEAR OR S OF MEM BY 22Z. INFLOW AIR MASS REMAINS
HOT...QUITE MOIST AND VERY UNSTABLE WITH MLCAPE OF 2500-3500 J/KG.
GIVEN THE STRONG INSTABILITY AND WELL-ORGANIZED NATURE OF SYSTEM
COLD POOL...MCS WILL REMAIN CAPABLE OF SWATHS OF SIGNIFICANT WIND
DAMAGE AS IT CONTINUES ESEWD TOWARD THE MS RIVER.

..MEAD.. 06/12/2009
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#399 Postby Dave » Fri Jun 12, 2009 3:48 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN

346 PM CDT FRI JUN 12 2009

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
WEST CENTRAL CRITTENDEN COUNTY IN EASTERN ARKANSAS...
SOUTHERN CROSS COUNTY IN EASTERN ARKANSAS...
NORTHERN ST. FRANCIS COUNTY IN EASTERN ARKANSAS...

* UNTIL 415 PM CDT

* AT 345 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM PRODUCING A TORNADO 16 MILES WEST OF COLT...OR
11 MILES SOUTHEAST OF MCCRORY...MOVING EAST AT 55 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
INCLUDE CALDWELL...NEW HOME AND JENNETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

.IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
NICKEL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
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#400 Postby Dave » Fri Jun 12, 2009 3:52 pm

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