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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 47

NWS STORM PREDICTION CENTER NORMAN OK

715 AM CDT MON APR 5 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHEAST KANSAS

       NORTHWEST MISSOURI



EFFECTIVE THIS MONDAY MORNING FROM 715 AM UNTIL NOON 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 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES NORTHWEST

OF MANHATTAN KANSAS TO 35 MILES SOUTH SOUTHEAST OF CHILLICOTHE

MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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.



DISCUSSION...ELEVATED CONVECTION FORMING OVER NE KS/NW MO WILL

PERSIST THROUGH THE MORNING ON THE NOSE OF A DEVELOPING SWLY LLJ.

MUCAPE ON THE ORDER OF 1500 J/KG AND STRONG CLOUD-LAYER SHEAR WILL

FAVOR ORGANIZED STORM STRUCTURES...INCLUDING SUPERCELLS...AS THE

CONVECTION SPREADS NEWD THROUGH MID-LATE MORNING.  LARGE HAIL WILL

BE THE MAIN SEVERE THREAT.



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 24030.





...THOMPSON

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