

930 

WWUS20 KWNS 050143

SEL6

SPC WW 050143

LAZ000-MSZ000-050600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 356

NWS STORM PREDICTION CENTER NORMAN OK

840 PM CDT MON JUN 4 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       FAR NORTHEAST LOUISIANA

       CENTRAL MISSISSIPPI



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 840 PM UNTIL

100 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 65

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES EAST

NORTHEAST OF GREENWOOD MISSISSIPPI TO 60 MILES SOUTH OF GREENWOOD

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 352...WW 353...WW

354...WW 355...



DISCUSSION...LONG-LIVED MCV /LEFT OVER FROM EARLY DAY MCS IN NE OK/

EXPECTED TO CONTINUE STEADILY ESEWD.  GIVEN DEGREE OF

INSTABILITY/MOISTURE PRESENT DOWNSTREAM ACROSS CNTRL MS AND MDT

WNWLY DEEP SHEAR.../REF MCD #1060/...CONVECTION MAY CONTINUE TO

PERIODICALLY INCREASE TO SVR LIMITS ON ERN/SRN SIDE OF

SYSTEM...POSING A RISK FOR LOCALLY DMGG WIND/HAIL.  WEAK NW/SE

OUTFLOW BOUNDARY AHEAD OF THE MCV /THROUGH CNTRL AND ERN MS/ ALSO

MAY CONTRIBUTE TO AN INCREASE IN STORMS LATER THIS EVE.



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 29025.





...CORFIDI

