399 FPUS65 KLAS 211022 AFDLAS MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 320 AM PDT MON JUL 21 1997 AREA 88DS STILL PAINTING ISOLD TSTMS ACRS DSRTS OF CA WITH -SHRA EMBEDDED IN CLDS ACRS WRN AZ. UPSWING IN TSTMS WILL OCCUR NXT TWO DAYS AS H5 HI CNTR SETTLES IN OVR N CNTRL NM WITH A COUPLE OF WK IMPULSES MOVG IN SE FLO INTO FA TDA/TUE. WV LOOP SHW MOISTURE ACRS WRN AZ ATTM AND WITH CONTD DEEP SE FLO THRU TUE MSTR WILL SPRD W-NW INTO CNTRL NV. CONVECTION LIKELY WILL BE DELAYED TDA ACRS SRN NV/AZ AS STLT PICS SHW MASS OF CLDS ACRS WRN AZ. BUT ONCE CONVECTION GET FIRED LATE THIS AFTN/EVNG THREAT OF BRIEF HEAVY SHWRS AND GUSTY WNDS EXIST. ELSW TO THE W WHERE LESS CLDS ARE EVIDENT THREAT FRM TSTMS WILL BE GUSTY WINDS/BLOWING DUST AS FCST SNDGS AT TPH/BIH EXHIBIT INVERTED-V PROFILES. MDLS SUGGEST TUE MAY EVEN BY MOR INTERESTING WITH THE THREAT OF FLASH FLOODING. WK INVERTED TROF/INSTABILITY AND PRCIP H20 VALUES EXCEEDING ONE INCH ENCOMPASS MUCH OF CWA. STAY TUNED LAS 234. PIERCE SRN NV...NONE ERN CA...NONE NW AZ ...NONE