

000 

WWUS20 KWNS 012054

SEL3

SPC WW 012054

NMZ000-020300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 323

NWS STORM PREDICTION CENTER NORMAN OK

255 PM MDT FRI JUN 1 2007



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EAST CENTRAL AND NORTHEAST NEW MEXICO



EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 255 PM UNTIL 900

PM MDT.



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 40

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES NORTHWEST OF

CLAYTON NEW MEXICO TO 65 MILES SOUTH SOUTHWEST OF CANNON AFB NEW

MEXICO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 321...WW 322...



DISCUSSION...SCATTERED THUNDERSTORMS WILL DEVELOP THE NEXT FEW HOURS

ALONG A STALLED OUTFLOW BOUNDARY ACROSS NE NM...AND OTHER STORMS

WILL LIKELY EVOLVE FROM THE HIGH-BASED CONVECTION E OF THE

MOUNTAINS.  VERY STEEP LAPSE RATES AND MODEST DEEP LAYER SHEAR

SHOULD SUPPORT A FEW BOTH MULTICELL CLUSTERS AND SUPERCELLS WITH

LARGE HAIL AS THE PRIMARY THREAT.  ISOLATED DAMAGING WINDS WILL ALSO

BE POSSIBLE...ESPECIALLY IF STORM MERGERS CAN LEAD TO UPSCALE STORM

GROWTH AND COLD POOL PRODUCTION.



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 29020.





...THOMPSON

