Tornado Watch 36

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 36
NWS STORM PREDICTION CENTER NORMAN OK
210 PM CST TUE FEB 5 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND SOUTHERN ARKANSAS
NORTHERN LOUISIANA
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 210 PM UNTIL
1000 PM CST.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 125 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 70 MILES WEST NORTHWEST OF
EL DORADO ARKANSAS TO 50 MILES EAST OF PINE BLUFF ARKANSAS. FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
DISCUSSION...SCATTERED THUNDERSTORMS ARE BEGINNING TO INTENSIFY FROM
NE TX INTO WRN AR...AND ADDITIONAL CONVECTION IS FORMING ALONG A
PRE-FRONTAL BAND NEAR MLU IN NRN LA. 18Z SOUNDINGS FROM LZK AND SHV
SHOW THAT THE CAP HAS WEAKENED FROM BELOW VIA ASCENT...AND THIS
TREND WILL CONTINUE THROUGH THE AFTERNOON IN CONJUNCTION WITH A LEAD
SHORTWAVE TROUGH EJECTING NEWD FROM NE TX/ERN OK TOWARD AR. THE
COMBINATION OF MODERATE INSTABILITY...BOUNDARY LAYER DEWPOINTS IN
THE MID 60S AND VERY STRONG VERTICAL SHEAR /EFFECTIVE SRH AOA 400
M2/S2/ WILL SUPPORT A THREAT FOR LONG-LIVED SUPERCELLS CAPABLE OF
PRODUCING STRONG TORNADOES...LARGE HAIL...AND DAMAGING WINDS INTO
EARLY TONIGHT.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 23050.
...THOMPSON
. ARKANSAS COUNTIES INCLUDED ARE
ARKANSAS ASHLEY BRADLEY
CALHOUN CHICOT CLARK
CLEBURNE CLEVELAND COLUMBIA
CONWAY DALLAS DESHA
DREW FAULKNER GARLAND
GRANT HEMPSTEAD HOT SPRING
INDEPENDENCE IZARD JACKSON
JEFFERSON LAFAYETTE LINCOLN
LONOKE MONROE NEVADA
OUACHITA PERRY POPE
PRAIRIE PULASKI SALINE
SHARP STONE UNION
VAN BUREN WHITE WOODRUFF