

622 

WWUS20 KWNS 080351

SEL7

SPC WW 080351

IAZ000-KSZ000-MOZ000-NEZ000-081000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 347

NWS STORM PREDICTION CENTER NORMAN OK

1055 PM CDT SUN JUN 7 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       SOUTHERN IOWA

       NORTHEAST KANSAS

       NORTHWEST MISSOURI

       SOUTHEAST NEBRASKA



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1055 PM UNTIL

500 AM CDT.



TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTHWEST OF

BEATRICE NEBRASKA TO 40 MILES SOUTH OF KNOXVILLE IOWA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU7).



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 342...WW 343...WW

345...WW 346...



DISCUSSION...CLUSTERS OF SUPERCELL THUNDERSTORMS HAVE REDEVELOPED

ACROSS NORTHEAST KS...SOUTHEAST NEB...AND NORTHWEST MO.  THESE

STORMS WILL TRACK NORTHEASTWARD INTO SOUTHWEST IA DURING THE NEXT

SEVERAL HOURS.  AMPLE INSTABILITY AND FAVORABLE VERTICAL SHEAR

PROFILES WILL MAINTAIN A RISK OF TORNADOES...ALONG WITH DAMAGING

WINDS AND HAIL FOR SEVERAL MORE HOURS.



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

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 25035.





...HART

