221 
FPUS65 KLAS 051526
AFDLAS

MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
825 AM PDT MON MAY 5 1997

NO FORECASTING EXCITEMENT TDA...AND SEE NO REASON TO CHG EXISTING
FCST.  12Z RUC/ETA/NGM INITIALIZED WEAKENING VORT LOBE VCNTY CA/NV
BORDER AND STLT SHOWS AREA OF HI CLDS PRECEDING IT ACRS NRN/CNTRL
NV.  THIS VORT LOBE TO CONT WEAKENING AS IT MOVES NEWD W/INCRG
SUNSHINE ACRS SCNTRL NV ZONES BY AFT.  ONLY SIG MSTR AT H7-H5 WAS
ACRS NRN AZ ASSCD WITH ANOTHER SERIES OF WEAK VORT MAXES...AND THAT
ALSO IS MOVG QUICKLY E-NEWD.  AS SUSPECTED YSTDY...MODELS CONT
BACKING OFF ON ANY CHC OF ISOLD TSTMS LINCOLN/WHITE PINE COUNTIES
WITH LESS LOW/MID LVL MSTR AVAILABLE.  12Z DRA SOUNDING AGAIN SHOWS
WARMER TEMPS IN THE LAYER 850-600 MB AND NOTED THAT MODELS
INITIALIZED EVEN WARMER 850 TEMPS ACRS SCNTRL NV ZONES THAN
PREVIOUS 12HR FCSTS INDCD.  THUS SLGTLY WARMER HIGH TMPS TDA ALL
AREAS CLOSE TO CURRENT FCST.   LAS 000.  NEMETH

SRN NV...NONE
ERN CA...NONE
NW AZ...NONE