WW 485 SEVERE TSTM KS OK 080325Z – 081000Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 485
NWS STORM PREDICTION CENTER NORMAN OK
1025 PM CDT WED AUG 7 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTH CENTRAL KANSAS
NORTHWESTERN AND NORTH CENTRAL OKLAHOMA
* EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 1025
PM UNTIL 500 AM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES WEST
NORTHWEST OF HUTCHINSON KANSAS TO 55 MILES SOUTHWEST OF ENID
OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 483...WW 484...
DISCUSSION...A BAND OF STRONG/SEVERE THUNDERSTORMS CONTINUES
SHIFTING EWD ACROSS WESTERN KANSAS AND THE TEXAS AND OKLAHOMA
PANHANDLES...WHILE OTHER STORMS HAVE BEGUN TO INTENSIFY NEAR THE RED
RIVER AREA OF SOUTHWESTERN OKLAHOMA. WITH LOW-LEVEL EASTERLY FLOW
OBSERVED BENEATH MODEST MID-LEVEL WESTERLIES SUPPORTING FORWARD
PROPAGATION OF THE CONVECTION INTO AN INCREASINGLY UNSTABLE
ENVIRONMENT...EXPECT SEVERE THREAT TO EXPAND EAST OF PREVIOUSLY
ISSUED WW 483 OVER THE NEXT SEVERAL HOURS. ALONG WITH POTENTIAL FOR
LARGE HAIL...DAMAGING WIND GUSTS CAN BE EXPECTED IN THE VICINITY OF
STRONGER PORTIONS OF THE EVOLVING LINE OF STORMS.
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 500. MEAN STORM
MOTION VECTOR 25035.
...GOSS
via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0485.html
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