WW 475 SEVERE TSTM CO KS OK 062040Z – 070300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 475
NWS STORM PREDICTION CENTER NORMAN OK
340 PM CDT TUE AUG 6 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST COLORADO
SOUTHWEST AND SOUTH CENTRAL KANSAS
NORTHWESTERN OKLAHOMA
* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 340 PM UNTIL
1000 PM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS
TO 80 MPH POSSIBLE
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES NORTH
NORTHWEST OF ELKHART KANSAS TO 35 MILES NORTH NORTHEAST OF
MEDICINE LODGE KANSAS. 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 474...
DISCUSSION...ISOLATED SEVERE STORM DEVELOPMENT IS NOW UNDERWAY SOUTH
AND SOUTHWEST OF GOODLAND...IN THE PRESENCE OF STRONG INSTABILITY
AND MODEST DEEP LAYER SHEAR. ADDITIONAL THUNDERSTORM DEVELOPMENT IS
EXPECTED ACROSS THE SOUTH CENTRAL HIGH PLAINS THROUGH THE REMAINDER
OF THE AFTERNOON...BECOMING FOCUSED NEAR/JUST NORTH OF A REMNANT
BAROCLINIC ZONE NEAR THE KANSAS/OKLAHOMA BORDER AREA. THE EVOLUTION
OF AN ORGANIZED MESOSCALE CONVECTIVE SYSTEM NEAR THIS BOUNDARY
APPEARS POSSIBLE BY EARLY EVENING...WITH A BROADER SCALE DAMAGING
WIND THREAT...IN ADDITION TO THE RISK FOR SEVERE HAIL.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 27040.
...KERR
via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0475.html
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