

567 

WWUS20 KWNS 120138

SEL6

SPC WW 120138

ALZ000-LAZ000-MSZ000-120700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 376

NWS STORM PREDICTION CENTER NORMAN OK

840 PM CDT MON JUN 11 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHWEST ALABAMA

       PARTS OF SOUTHEAST LOUISIANA

       SOUTHERN MISSISSIPPI



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 840 PM UNTIL

200 AM CDT.



HAIL TO 1.5 INCHES 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 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES SOUTH

SOUTHWEST OF NATCHEZ MISSISSIPPI TO 65 MILES EAST SOUTHEAST OF

MERIDIAN MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 374...WW 375...



DISCUSSION...LONG-LIVED MCS WITH DAMAGING WINDS/ISOLD LARGE HAIL

WILL LIKELY PERSIST FOR A FEW MORE HOURS WHILE MOVING SEWD TOWARD

SRN MS AND ADJACENT AREAS OF SE LA/SW AL.  THE SEVERE STORM RISK

WILL BE MAINTAINED BY STRONG INSTABILITY THAT IS EXPECTED TO LINGER

WHERE SURFACE TEMPERATURES WARMED TO NEAR 90 F DURING THE AFTERNOON.



AVIATION...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 550. MEAN STORM

MOTION VECTOR 32030.





...THOMPSON

