WW 192 SEVERE TSTM CO KS NM OK TX 262045Z – 270300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 192
NWS STORM PREDICTION CENTER NORMAN OK
345 PM CDT THU APR 26 2012
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
SOUTHEAST COLORADO
EXTREME SOUTHWEST KANSAS
EXTREME NORTHEAST NEW MEXICO
THE WESTERN OKLAHOMA PANHANDLE
THE WESTERN TEXAS PANHANDLE AND SOUTH PLAINS
EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 345 PM UNTIL
1000 PM CDT.
HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH
NORTHWEST OF LAMAR COLORADO TO 25 MILES WEST SOUTHWEST OF
PLAINVIEW TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
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 191...
DISCUSSION...HIGH-BASED THUNDERSTORM DEVELOPMENT IS EXPECTED IN THE
NEXT COUPLE OF HOURS ALONG A SHARPENING LEE TROUGH FROM NE NM INTO
SE CO...AND EWD INTO THE UPSLOPE FLOW REGIME ACROSS THE WRN TX
PANHANDLE. INITIALLY LARGE TEMPERATURE-DEWPOINT SPREADS AND MODEST
LOW-LEVEL SHEAR SUGGEST THAT LARGE HAIL AND ISOLATED DAMAGING GUSTS
WILL BE THE MAIN THREATS FOR THE NEXT SEVERAL HOURS. LOW-LEVEL
WINDS WILL RESPOND LATER THIS EVENING TO THE APPROACH OF A STRONG
SHORTWAVE TROUGH NEAR THE FOUR CORNERS...AND LOW-LEVEL MOISTURE WILL
SURGE NWWD. NEAR AND AFTER SUNSET...THE RISK FOR A COUPLE OF
TORNADOES WILL BEGIN TO INCREASE. THE TORNADO RISK WILL BE
REVISITED LATER THIS EVENING...WHEN A WATCH REPLACEMENT/UPGRADE
COULD BECOME NECESSARY.
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 26015.
...THOMPSON
via SPC Forecast Products http://www.spc.noaa.gov/products/watch/ww0192.html
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