SEL5
SPC WW 092253
MSZ000-100600-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 285
NWS STORM PREDICTION CENTER NORMAN OK
555 PM CDT SAT MAY 9 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
CENTRAL MISSISSIPPI
EFFECTIVE THIS SATURDAY AFTERNOON AND SUNDAY MORNING FROM 555 PM
UNTIL 100 AM CDT.
HAIL TO 1.5 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 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTH
SOUTHWEST OF GREENVILLE MISSISSIPPI TO 25 MILES NORTHEAST OF
MERIDIAN MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
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 280...WW 281...WW
282...WW 283...WW 284...
DISCUSSION...STRONG/WEAKLY ORGANIZED STORMS EXPECTED TO SPREAD
GRADUALLY E OR ESE ALONG AND JUST S OF OLD W-E OUTFLOW BOUNDARY
THROUGH CNTRL MS. DEEP WIND FIELD IS WEAK...BUT DIFFLUENT. COUPLED
WITH QUALITY OF LOW LVL MOISTURE AND RELATIVELY STEEP MID LVL LAPSE
RATES...POTENTIAL WILL EXIST FOR WET MICROBURSTS WITH LOCALLY DMGG
WIND AND PERHAPS HAIL.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28020.
...CORFIDI
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