

000 

WWUS20 KWNS 032326

SEL3

SPC WW 032326

LAZ000-MSZ000-040300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 223

NWS STORM PREDICTION CENTER NORMAN OK

625 PM CDT THU MAY 3 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN LOUISIANA

       WESTERN AND SOUTHERN MISSISSIPPI



EFFECTIVE THIS THURSDAY EVENING FROM 625 PM UNTIL 1000 PM CDT.



TORNADOES...HAIL TO 1.5 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 EAST AND WEST OF A LINE FROM 50 MILES WEST NORTHWEST OF

JACKSON MISSISSIPPI TO 45 MILES SOUTHEAST OF ALEXANDRIA

LOUISIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 218...WW 219...WW

220...WW 221...WW 222...



DISCUSSION...SUSTAINED STORMS/POSSIBLE SUPERCELLS EXPECTED TO

MOVE/DEVELOP ENE ALONG OUTFLOW BOUNDARY ARCING E/NE FROM CNTRL LA

INTO W CNTRL MS THIS EVENING.  COMBINATION OF RICH BOUNDARY LAYER

MOISTURE AND ENHANCED LOW LEVEL SHEAR INVOF BOUNDARY MAY SUGGEST A

TORNADO POTENTIAL...IN ADDITION TO HIGH WIND/HAIL...FROM EMBEDDED

ROTATING STORMS.



AVIATION...TORNADOES AND 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 25035.





...CORFIDI

