

500 

WWUS20 KWNS 231804

SEL4

SPC WW 231804

KSZ000-OKZ000-240000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 54

NWS STORM PREDICTION CENTER NORMAN OK

105 PM CDT MON MAR 23 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       LARGE PART OF CENTRAL KANSAS

       PARTS OF NORTHERN OKLAHOMA



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 105 PM UNTIL 700

PM CDT.



TORNADOES...HAIL TO 2 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 EAST AND WEST OF A LINE FROM 35 MILES NORTHEAST OF

CONCORDIA KANSAS TO 15 MILES SOUTHEAST OF ENID OKLAHOMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



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 53...



DISCUSSION...HEATING HAS DISSIPATED THE INHIBITION ALONG THE DRY

LINE ALLOWING SURFACE BASED CONVECTION TO DEVELOP ALONG WRN EDGE OF

WATCH.  WITH VERY FAVORABLE DEEP LAYER SHEAR AND ADEQUATE

INSTABILITY SUPERCELLS ARE LIKELY TO DEVELOP AS STORMS INCREASE IN

NUMBER ALONG DRY LINE. IN ADDITION TO DAMAGING WINDS AND LARGE

HAIL...TORNADOES ARE POSSIBLE WITH ANY SUPERCELL.



AVIATION...TORNADOES AND 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

500. MEAN STORM MOTION VECTOR 22045.





...HALES

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