WW 259 SEVERE TSTM KS MO 310745Z – 311300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 259
NWS STORM PREDICTION CENTER NORMAN OK
245 AM CDT FRI MAY 31 2013
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST KANSAS
PARTS OF NORTHWEST MISSOURI
* EFFECTIVE THIS FRIDAY MORNING FROM 245 AM UNTIL 800 AM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE
A FEW DAMAGING WIND GUSTS TO 65 MPH POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES WEST
NORTHWEST OF SALINA KANSAS TO 55 MILES EAST SOUTHEAST OF
CHILLICOTHE MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
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 258...
DISCUSSION...ELEVATED THUNDERSTORM DEVELOPMENT IS ONGOING ACROSS
NORTHEAST KANSAS AND ADJACENT NORTHWEST MISSOURI ATTM...WITHIN AN
ENVIRONMENT FEATURING VERY STEEP MID-LEVEL LAPSE RATES AND THUS
ELEVATED CAPE VALUES IN EXCESS OF 3000 J/KG. GIVEN THE PRESENCE OF
50-PLUS KT WSWLY MID-LEVEL FLOW...EXPECT STORMS DEVELOPING IN
RESPONSE TO STRONG QG FORCING TO BECOME SUPERCELLULAR...CAPABLE OF
PRODUCING LARGE HAIL AND POSSIBLY LOCALLY DAMAGING WINDS.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24040.
...GOSS
via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0259.html
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