

201 

WWUS20 KWNS 240444

SEL8

SPC WW 240444

KSZ000-MOZ000-OKZ000-241000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 58

NWS STORM PREDICTION CENTER NORMAN OK

1145 PM CDT MON MAR 23 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN KANSAS

       WEST CENTRAL MISSOURI

       CENTRAL AND NORTHERN OKLAHOMA



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1145 PM

UNTIL 500 AM CDT.



HAIL TO 2 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 15 MILES SOUTH OF

CHICKASHA OKLAHOMA TO 5 MILES NORTHWEST OF LEAVENWORTH KANSAS.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



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 56...WW 57...



DISCUSSION...CLUSTERS AND LINES OF THUNDERSTORMS WILL PERSIST

THROUGH MUCH OF THE NIGHT ACROSS WATCH AREA.  NEW STORMS ARE FORMING

ALONG THE COLD FRONT FROM WEST OF MKC TO WEST OF ICT...AND THESE

STORMS WILL OVERSPREAD THE REGION FROM THE WEST.  COOL TEMPERATURES

ALOFT AND SUPERCELL STORM STRUCTURES WILL MAINTAIN A RISK OF LARGE

HAIL AND LOCALLY DAMAGING WINDS IN STRONGER CELLS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 24035.





...HART

