

000 

WWUS20 KWNS 130224

SEL0

SPC WW 130224

MOZ000-130700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 590

NWS STORM PREDICTION CENTER NORMAN OK

925 PM CDT SUN AUG 12 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND NORTHEAST MISSOURI



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 925 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 50 MILES WEST

SOUTHWEST OF KIRKSVILLE MISSOURI TO 50 MILES EAST NORTHEAST OF

COLUMBIA MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 589...



DISCUSSION...SEVERE MCS OVER NORTHERN MO IS EXPECTED TO MOVE

SOUTHEASTWARD AT 30-35 KNOTS DURING THE NEXT SEVERAL HOURS ACROSS

PARTS OF NORTHEAST AND CENTRAL MO.  VERY UNSTABLE CONDITIONS AND

MESOSCALE ORGANIZATION OF SYSTEM SUGGEST A CONTINUED THREAT OF

DAMAGING WINDS AND HAIL.



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 30035.





...HART

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