

323 

WWUS20 KWNS 022038

SEL1

SPC WW 022038

COZ000-KSZ000-NMZ000-OKZ000-TXZ000-030400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 341

NWS STORM PREDICTION CENTER NORMAN OK

235 PM MDT SAT JUN 2 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN COLORADO

       WESTERN KANSAS

       NORTHEAST NEW MEXICO

       OKLAHOMA PANHANDLE

       TEXAS PANHANDLE



EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 235 PM UNTIL

1000 PM MDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTH

NORTHEAST OF LIMON COLORADO TO 10 MILES SOUTH SOUTHEAST OF

DALHART TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 340...



DISCUSSION...HIGH-BASED STORMS MOVING ACROSS THE FRONT RANGE AND

NERN NM MOUNTAINS WILL CONTINUE TO SPREAD EAST INTO A WARM AND

MODERATELY UNSTABLE AIRMASS ACROSS ERN CO/NERN NM/WRN KS AND THE

OK/TX PNHDLS. BAND OF MODEST WLY MID LEVEL FLOW ACCOMPANYING A WEAK

SHORT WAVE TROUGH...ATOP WEAK SELY LOW LEVEL FLOW...WILL CONTRIBUTE

TO SUFFICIENT DEEP SHEAR FOR STORM UPDRAFTS TO PERSIST. INITIAL

HAZARDS WILL LIKELY TAKE THE FORM OF STRONG TO SEVERE DOWNBURST

WINDS GIVEN EVAPORATIONAL COOLING INTO WARM TO HOT DEEPLY MIXED

SUB-CLOUD AIRMASS. WITH TIME...A FEW SUPERCELLS WITH HAIL MAY

DEVELOP. STORMS MAY MERGE LATER THIS AFTERNOON AND INTO THE EVENING

WITH ONE OR TWO SMALL CONVECTIVE COMPLEXES POSING A WIND THREAT

SPREADING EAST/SOUTHEAST INTO WRN KS AND/OR OK/TX PNHDLS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 26030.





...CARBIN

