

543 

WWUS20 KWNS 050247

SEL7

SPC WW 050247

ARZ000-ILZ000-KYZ000-MOZ000-TNZ000-050900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 357

NWS STORM PREDICTION CENTER NORMAN OK

945 PM CDT MON JUN 4 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       FAR NORTHEAST ARKANSAS

       SOUTHERN ILLINOIS

       WESTERN KENTUCKY

       FAR SOUTHEAST MISSOURI

       WESTERN AND MIDDLE TENNESSEE



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 945 PM UNTIL

400 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 90

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

PADUCAH KENTUCKY TO 50 MILES SOUTHEAST OF JACKSON TENNESSEE.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 352...WW 353...WW

354...WW 355...WW 356...



DISCUSSION...LOOSELY-ORGANIZED TSTM CLUSTER OVER SE MO/SRN IL/WRN KY

EXPECTED MOVE/DEVELOP SLOWLY SSE THROUGH LATER TNGT IN ASSOCIATION

WITH WEAK IMPULSE IN NW FLOW ALOFT.  UPLIFT ALONG EXISTING STORM

OUTFLOW AND PRESENCE OF STRONG BUOYANCY ABOVE THE SLOWLY COOLING

BOUNDARY LAYER SUGGEST A CONTINUED RISK FOR SPORADIC SVR

HAIL/LOCALLY DMGG WIND GIVEN VEERING WIND PROFILES OF MODEST

MAGNITUDE.



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 500. MEAN STORM

MOTION VECTOR 34025.





...CORFIDI

