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Jan 22nd/23rd Severe Weather Outbreak


andyhb

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Its early, but only the southern cells have been able to stay somewhat discrete.

seems like se ar/n ms/maybe parts of sw tenn are going to be under the big gun. this stuff is just about to run into higher cape/ehi and sig torn/supercell parameters.

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seems like se ar/n ms/maybe parts of sw tenn are going to be under the big gun. this stuff is just about to run into higher cape/ehi and sig torn/supercell parameters.

MESOSCALE DISCUSSION 0048

NWS STORM PREDICTION CENTER NORMAN OK

0648 PM CST SUN JAN 22 2012

AREAS AFFECTED...CNTRL/ERN AR

CONCERNING...TORNADO WATCH 5...

VALID 230048Z - 230145Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 5 CONTINUES.

SEVERE POTENTIAL CONTINUES TO INCREASE ACROSS CNTRL AR AND INCIPIENT

REGIONAL TORNADO OUTBREAK APPEARS TO BE UNFOLDING...WITH PROBABLE

SIGNIFICANT TORNADOES DEVELOPING ACROSS S-CNTRL INTO NERN AR.

AS OF 0045Z...LEAD BROKEN BAND OF TSTMS EXTENDED IN A NNE-SSW

ORIENTATION FROM RANDOLPH TO COLUMBIA COUNTIES. SEVERAL EMBEDDED

MESOCYCLONES CONTINUE TO INTENSIFY WITH INITIAL TORNADO WARNINGS

HAVING BEEN RECENTLY ISSUED ACROSS S-CNTRL AR. MODIFIED 00Z

LZK/SHV/JAN RAOBS SUGGEST MLCAPE OF 750-1250 J/KG IS PREVALENT AHEAD

OF THIS BAND FROM S-CNTRL TO E-CNTRL AR. WITH EFFECTIVE SRH NOW IN

EXCESS OF 500-600 M2/S2...EXTREME LOW-LEVEL SHEAR/VERY LARGE

HODOGRAPHS BREEDS HIGH CONFIDENCE IN SUSTAINED/LONG-TRACKED

SUPERCELLS CAPABLE OF PRODUCING SIGNIFICANT TORNADOES.

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And those parameters are continuing to push north as the warm front progresses north.

yeah why i included sw tenn (tho i guess it could be all w tenn) even though it's marginal there compared to further south right now. other places look ok and helicity is high elsewhere but that region i now see bounded by the meso -- ne ark looks iffier -- disc looks really primed.

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BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE LITTLE ROCK AR

658 PM CST SUN JAN 22 2012

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...

SOUTHEASTERN PULASKI COUNTY IN CENTRAL ARKANSAS...

SOUTH CENTRAL LONOKE COUNTY IN CENTRAL ARKANSAS...

NORTHWESTERN JEFFERSON COUNTY IN SOUTHEAST ARKANSAS...

NORTHEASTERN GRANT COUNTY IN CENTRAL ARKANSAS...

* UNTIL 730 PM CST

* AT 655 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS SEVERE

STORM WAS LOCATED 6 MILES NORTHEAST OF SHERIDAN. DOPPLER RADAR

SHOWED THIS SEVERE STORM MOVING NORTHEAST AT 55 MPH. ANOTHER

POSSIBLE TORNADO WAS LOCATED JUST SOUTH OF SHERIDAN...ALSO MOVING

NORTHEAST AT 55 MPH. IN ADDITION TO THE TORNADOES...THESE STORMS

ARE CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE.

* LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...

SHERIDAN... REDFIELD... PINE BLUFF ARSENAL...

ORION... KEO... HENSLEY ISLAND...

ENGLAND... CANE CREEK... WRIGHT...

TUCKER... TOMBERLIN... SHERRILL...

SEATON... SAMPLES... PRAGUE...

PETTUS... PASTORIA... JEFFERSON...

THIS INCLUDES INTERSTATE 530 BETWEEN MILE MARKERS 15 AND 30.

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BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE LITTLE ROCK AR

701 PM CST SUN JAN 22 2012

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...

NORTHEASTERN OUACHITA COUNTY IN SOUTHWEST ARKANSAS...

SOUTHEASTERN DALLAS COUNTY IN SOUTHWEST ARKANSAS...

SOUTHWESTERN CLEVELAND COUNTY IN SOUTHEAST ARKANSAS...

NORTHERN CALHOUN COUNTY IN SOUTHWEST ARKANSAS...

* UNTIL 730 PM CST

* AT 659 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS SEVERE

STORM WAS LOCATED 5 MILES NORTHWEST OF HIGHLAND INDSTRL PK...OR 12

MILES NORTHEAST OF CAMDEN. DOPPLER RADAR SHOWED THIS SEVERE STORM

MOVING NORTHEAST AT 55 MPH. IN ADDITION TO THE TORNADO...THIS STORM

IS CAPABLE OF PRODUCING LARGE DAMAGING HAIL UP TO GOLF BALL SIZE.

* LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...

FORDYCE... TRI COUNTY LAKE... TIPTON...

THORNTON... HARLOW... ELLISVILLE...

BEARDEN... RAMSEY... NEW EDINBURG...

MILLVILLE... IVAN... HOPEVILLE...

HOLLY SPRINGS... HARMONY GROVE... EAGLE MILLS...

CHAMBERSVILLE... AMY... VELIE...

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New SPc Stament

MESOSCALE DISCUSSION 0048

NWS STORM PREDICTION CENTER NORMAN OK

0648 PM CST SUN JAN 22 2012

AREAS AFFECTED...CNTRL/ERN AR

CONCERNING...TORNADO WATCH 5...

VALID 230048Z - 230145Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 5 CONTINUES.

SEVERE POTENTIAL CONTINUES TO INCREASE ACROSS CNTRL AR AND INCIPIENT

REGIONAL TORNADO OUTBREAK APPEARS TO BE UNFOLDING...WITH PROBABLE

SIGNIFICANT TORNADOES DEVELOPING ACROSS S-CNTRL INTO NERN AR.

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