SEVERE THUNDERSTORM WATCH NUMBER 214
NWS STORM PREDICTION CENTER NORMAN OK
10:45 AM CDT TUE APR 22 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
MUCH OF ARKANSAS
EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 10:45 AM UNTIL 5:00 PM
CDT.
HAIL TO 2.5 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 60 STATUTE MILES NORTH AND SOUTH OF A
LINE FROM 30 MILES NORTH OF DE QUEEN ARKANSAS TO 35 MILES SOUTH SOUTHEAST OF
JONESBORO ARKANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).
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 213
DISCUSSION
SEVERE THUNDERSTORMS DEVELOPING INTO NRN AR ATTM. WITH
A VERY UNSTABLE AIR MASS AVAILABLE ACROSS WATCH AREA WITH HEATING
REMOVING MUCH OF INHIBITION BY EARLY AFTERNOON. STORMS EXPECTED TO
CONTINUE AND INCREASE IN NUMBER/INTENSITY AS THEY PROPAGATE S/SEWD
INTO MLCAPES UPWARD OF 3000 J/KG. PRIMARY THREAT WILL BE LARGE
HAIL, WITH DAMAGING WINDS ASSOCIATED WITH DEVELOPING COLD POOLS.
AVIATION
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 550. MEAN STORM
MOTION VECTOR 32025.
HALES
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