630 FXUS65 KVEF 152206 AFDLAS MOJAVE DESERT/SOUTHERN GREAT BASIN AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAS VEGAS NV 207 PM PST THU NOV 15 2001 SYNOPSIS..WEAK HIGH PRESSURE OVER THE GREAT BASIN AND MOJAVE DESERT WILL PROVIDE DRY WEATHER WITH TEMPERATURES SLIGHTLY ABOVE NORMAL THROUGH SATURDAY. DISCUSSION...MODELS CONTINUE TO SHOW WEAK HIGH PRESSURE OVER THE CWA WITH A FEW SHORTWAVE TROUGHS MOVING TO THE NORTH AND SOUTH OF THE AREA OVER THE NEXT FEW DAYS. TEMPERATURE SHOULD BE AT OR SLIGHTLY ABOVE NORMALS FOR THE NEXT FEW DAYS WITH WINDS ON THE LIGHT SIDE. MODELS SHOW MAINLY HIGH LEVEL MOISTURE STREAMING OVER THE AREA FOR THE NEXT FEW DAYS WITH DRY LOW LEVEL FLOW. THE MAIN PROBLEMS LOOK TO BE IN THE EXTENDED PERIOD WITH DIFFERENT MODEL SOLUTIONS FOR THE TROUGH ACROSS THE PACIFIC NORTHWEST NEXT WEEK. IN THE EXTENDED...MODELS NOT IN THAT MUCH AGREEMENT GOING INTO THE THANKSGIVING DAY FORECAST. MRF IS SHOWING THE RIDGE BREAKING DOWN AND A GOOD PUSH OF LOW LEVEL MOISTURE...BUT THE NEWEST AVN ALONG WITH THE OTHER LONG RANGE MODELS SHOW WEAK RIDGING OVER THE AREA FOR A DRY SOUTHWEST FLOW. WENT MORE WITH THE DRY FORECAST WITH TEMPERATURE NEAR NORMALS. .LAS...NONE.