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660 

WWUS20 KWNS 082347

SEL0

SPC WW 082347

KSZ000-NEZ000-090700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 750

NWS STORM PREDICTION CENTER NORMAN OK

645 PM CDT MON AUG 8 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN KANSAS

       SOUTH CENTRAL NEBRASKA



EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 645 PM UNTIL

200 AM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF

MCCOOK NEBRASKA TO 20 MILES EAST OF LIBERAL 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 746...WW 747...WW 748...



DISCUSSION...SCTD SUPERCELLS EXPECTED TO CONTINUE MOVING MAINLY SSE

FROM WW 746 IN WRN NEB/NW KS INTO MUCH OF THE REMAINDER OF WRN KS

AND S CNTRL NEB THROUGH LATE EVE.  AS MENTIONED IN DISCUSSION FOR WW

746...SETUP SHOULD REMAIN CONDUCIVE FOR SCTD SUSTAINED

STORMS/SUPERCELLS WITH LARGE HAIL AND LOCALLY DMGG WIND.  A LIMITED

POTENTIAL ALSO WILL EXIST FOR ONE OR TWO STORM MERGERS...WITH

RESULTING CLUSTERS POSSIBLY CONTAINING BOWING SEGMENTS WITH A

SOMEWHAT WIDER/LESS LOCALIZED WIND DMG POTENTIAL.  NOTE:WW 746 WILL

BE EXTENDED TO COVER THE REMAINDER OF THE NWS GLD CWA NOT INCLUDED

IN THIS WATCH.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

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

MOTION VECTOR 34030.





...CORFIDI

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