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WWUS20 KWNS 080427

SEL5

SPC WW 080427

ILZ000-MOZ000-081200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 365

NWS STORM PREDICTION CENTER NORMAN OK

1125 PM CDT THU JUN 7 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WESTERN ILLINOIS

       EASTERN AND SOUTHERN MISSOURI



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1125 PM

UNTIL 700 AM CDT.



TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 20 MILES WEST NORTHWEST OF

DECATUR ILLINOIS TO 25 MILES SOUTHWEST OF WEST PLAINS MISSOURI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 360...WW 361...WW

362...WW 363...WW 364...



DISCUSSION...SCTD CLUSTERS OF SUSTAINED STORMS/SUPERCELLS EXPECTED

TO MOVE/DEVELOP E ACROSS CNTRL AND SRN MO THROUGH EARLY FRIDAY AS

SE-MOVING COLD FRONT OVERTAKES DRY LINE/OUTFLOW BOUNDARIES TO ITS

EAST.  REGION WILL REMAIN OF SRN SIDE VERY STRONG WSWLY MID LEVEL

JET...MAINTAINING POTENTIAL FOR BOWING SEGMENTS WITH HIGH WIND/HAIL

AND TORNADOES GIVEN RICH BOUNDARY LAYER MOISTURE INFLOW AND MODERATE

LOW LEVEL SRH.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

550. MEAN STORM MOTION VECTOR 25045.





...CORFIDI

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