Particularly Dangerous Situation!
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 335
NWS STORM PREDICTION CENTER NORMAN OK
150 PM CDT THU MAY 22 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
WESTERN KANSAS KANSAS
EXTREME SOUTHWESTERN NEBRASKA
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 150 PM UNTIL
1000 PM CDT.
...THIS IS A PARTICULARLY DANGEROUS SITUATION...
DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES WEST NORTHWEST OF
MCCOOK NEBRASKA TO 55 MILES SOUTH SOUTHEAST OF DODGE CITY KANSAS.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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.
OTHER WATCH INFORMATION...CONTINUE...
WW 334
...
DISCUSSION...STORMS ARE EXPECTED TO DEVELOP ALONG AND EAST OF THE
DRYLINE SHORTLY...AS LARGE SCALE ASCENT INCREASES AHEAD OF SHORTWAVE
TROUGH MOVING INTO SERN CO. MODERATE TO STRONG INSTABILITY AND
EFFECTIVE SHEAR AT 55-65 KT WILL LIKELY RESULT IN INTENSE SUPERCELLS
THROUGH THE AFTERNOON AND INTO THE EVENING HOURS. INSTABILITY AND
STRONG SHEAR WILL BE FAVORABLE FOR STORMS WITH HAIL UP TO 3 INCHES
IN DIAMETER. ALSO...EXTREMELY STRONG LOW LEVEL SHEAR...ESPECIALLY
NEAR THE WARM FRONT...THAT STRETCHED FROM GLD TO HLC AT 18Z...SHOULD
SUPPORT TORNADOES...SOME VERY DAMAGING AND LARGE.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 20035.
...IMY
Thursday, May 22, 2008
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