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WWUS20 KWNS 082303

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SPC WW 082303

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 590

NWS STORM PREDICTION CENTER NORMAN OK

605 PM CDT SUN AUG 8 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTH CENTRAL KANSAS



EFFECTIVE THIS SUNDAY EVENING FROM 605 PM UNTIL 1000 PM CDT.



HAIL TO 1.5 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 50

STATUTE MILES EAST AND WEST OF A LINE FROM 85 MILES NORTH

NORTHEAST OF RUSSELL KANSAS TO 35 MILES WEST SOUTHWEST OF RUSSELL

KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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 587...WW 588...WW 589...



DISCUSSION...SMALL AREA OF LOW LVL CONVERGENCE NEAR INTERSECTION OF

DEEP EML PLUME WITH MORE MOIST BUT STILL STRONGLY-HEATED ENVIRONMENT

IN ERN KS MAY SUPPORT DEVELOPMENT OF A SMALL MCS.  STORMS MAY

DEVELOP CAPABILITY FOR DMGG WIND GUSTS AND SVR HAIL GIVEN

THERMODYNAMIC ENVIRONMENT...DESPITE WEAK W TO WNWLY DEEP SHEAR.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 29020.





...CORFIDI

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