

019 

WWUS20 KWNS 280312

SEL4

SPC WW 280312

ALZ000-FLZ000-MSZ000-CWZ000-281000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 84

NWS STORM PREDICTION CENTER NORMAN OK

1010 PM CDT FRI MAR 27 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHWEST ALABAMA

       WESTERN FLORIDA PANHANDLE

       SOUTHERN MISSISSIPPI

       COASTAL WATERS



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1010 PM

UNTIL 500 AM CDT.



TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF SELMA

ALABAMA TO 45 MILES SOUTHEAST OF GULFPORT MISSISSIPPI.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



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.



OTHER WATCH INFORMATION...CONTINUE...WW 82...WW 83...



DISCUSSION...WIDESPREAD INTENSE STORMS ALONG WARM FRONT LIFTING NEWD

ACROSS MS DELTA AREA WILL CONTINUE TO POSE A THREAT FOR

TORNADOES...DAMAGING WINDS...AND VERY LARGE HAIL OVERNIGHT. THIS

ACTIVITY APPEARS TO BE SUPPORTED IN PART BY LOW-AMPLITUDE SHORT WAVE

TROUGH LEADING THE LARGER SCALE DEEP-LAYER CYCLONE DEVELOPING TO THE

WEST. INFLUX OF RICH GULF MOISTURE AND INCREASINGLY STRONG LOW LEVEL

SHEAR NEAR THE WARM FRONT WILL ALLOW STORM UPDRAFTS TO PERSIST AND

OCCASIONALLY EXHIBIT STRONG ROTATION. TORNADO POTENTIAL WILL ALSO

EXIST WITH CELLS INCREASING AND MOVING ONSHORE FROM THE NCNTRL GULF

GIVEN PRONOUNCED INCREASE IN LOW LEVEL HODOGRAPH CURVATURE EVIDENT

ON MOB VWP DATA LAST COUPLE OF HOURS.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 26025.





...CARBIN

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