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URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 131

NWS STORM PREDICTION CENTER NORMAN OK

340 AM CDT SUN MAY 2 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       NORTHWEST ALABAMA

       NORTHERN AND CENTRAL MISSISSIPPI

       WESTERN AND MIDDLE TENNESSEE



EFFECTIVE THIS SUNDAY MORNING FROM 340 AM UNTIL NOON CDT.



...THIS IS A PARTICULARLY DANGEROUS SITUATION...



DESTRUCTIVE TORNADOES...LARGE HAIL TO 2 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 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHWEST OF

NASHVILLE TENNESSEE TO 20 MILES EAST SOUTHEAST OF GREENWOOD

MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 127...TORNADO WATCH NUMBER 130. WATCH NUMBER 127 130

WILL NOT BE IN EFFECT AFTER 340 AM CDT. CONTINUE...WW 128...WW

129...



DISCUSSION...CONFLUENCE BAND OF TRAINING SUPERCELLS NOW EXTENDING

FROM NW MS INTO WRN TN EXPECTED TO PERSIST FOR AT LEAST A COUPLE

MORE HOURS...WITH ADDITIONAL DEVELOPMENT POSSIBLE ON A NEW

CONFLUENCE AXIS FORMING FARTHER SE ACROSS CNTRL/NE MS.  VERY MOIST

AND VERY STRONGLY-SHEARED LOW LVL ENVIRONMENT...COUPLED WITH

EXPECTED SLIGHT INCREASE IN SWLY MID/UPR LVL FLOW...SUGGESTS

CONTINUED PERIODIC RISK FOR STRONG TORNADOES...IN ADDITION TO SVR

HAIL/WIND...THROUGH LATE MORNING.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 23050.





...CORFIDI

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