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208 

WWUS20 KWNS 242353

SEL2

SPC WW 242353

KSZ000-250600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 682

NWS STORM PREDICTION CENTER NORMAN OK

650 PM CDT SUN JUL 24 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN AND EASTERN KANSAS



EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 650 PM UNTIL

100 AM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH

NORTHWEST OF CONCORDIA KANSAS TO 45 MILES SOUTH OF MANHATTAN

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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 681...



DISCUSSION...TSTM CLUSTER EXPECTED TO CONTINUE DEVELOPING NWD FROM

THE SLN/MHK AREA...WHILE S CNTRL NEB CLUSTER EVOLVES BOTH SSEWD AND

SWWD INTO NRN KS.  BOTH SYSTEMS WILL BE PROPAGATING TOWARD ELONGATED

CORRIDOR OF HIGH PW/STEEP LOW LVL LAPSE RATES FAVORABLE FOR WET

MICROBURSTS WITH LOCALLY DMGG WIND...AND POSSIBLY MARGINALLY SVR

HAIL.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM

MOTION VECTOR 20015.





...CORFIDI

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