WATCHES: Severe Thunderstorm Watch Number 532

WWUS20 KWNS 281948
SEL2
SPC WW 281948
MSZ000-290200-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 532
NWS STORM PREDICTION CENTER NORMAN OK
245 PM CDT SUN JUN 28 2009

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

CENTRAL AND EASTERN MISSISSIPPI

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 900
PM CDT.

HAIL TO 1 INCH 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 50
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES WEST
NORTHWEST OF COLUMBUS MISSISSIPPI TO 45 MILES SOUTHWEST OF
MERIDIAN MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

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 530...WW 531...

DISCUSSION...A LINE OF THUNDERSTORMS HAD DEVELOPED ALONG THE FRONT
IN NORTHERN MISSISSIPPI AND IS EXPECTED TO TRACK SOUTH-SOUTHEASTWARD
THROUGH PORTIONS OF CENTRAL AND EASTERN MISSISSIPPI INTO THE EARLY
EVENING HOURS. DESPITE ONLY AROUND 20 KT OF DEEP LAYER SHEAR...THE
DEVELOPMENT OF AN ORGANIZED OUTFLOW BOUNDARY COMBINED WITH
TEMPERATURES IN THE MID/UPPER 90S AND MLCAPES NEAR 3000 J/KG ARE
FAVORABLE FOR WET MICROBURSTS AND WIND DAMAGE.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION
VECTOR 34020.

...IMY

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