

646 

WWUS20 KWNS 260241

SEL7

SPC WW 260241

LAZ000-MSZ000-260900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 377

NWS STORM PREDICTION CENTER NORMAN OK

945 PM CDT WED MAY 25 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       PARTS OF CENTRAL AND NORTHEAST LOUISIANA

       LARGE PART OF CENTRAL MISSISSIPPI



EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 945 PM

UNTIL 400 AM CDT.



TORNADOES...HAIL TO 2.5 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 60 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTHEAST OF

COLUMBUS MISSISSIPPI TO 25 MILES WEST SOUTHWEST OF FORT POLK

LOUISIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 374. WATCH NUMBER 374 WILL NOT BE IN EFFECT AFTER

945 PM CDT. CONTINUE...WW 373...WW 375...WW 376...



DISCUSSION...SEVERE THUNDERSTORMS EXPECTED TO CONTINUE DEVELOPING

E/SE ACROSS THE WATCH AREA WHERE A MDTLY UNSTABLE AND FAVORABLE

SHEARED AIR MASS IS IN PLACE.  IN ADDITION TO LARGE HAIL/DAMAGING

WINDS...TORNADOES WILL BE POSSIBLE...PARTICULARLY ASSOCIATED WITH

ANY SUPERCELL.



AVIATION...TORNADOES AND 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 25030.





...HALES

