Land Management Forecasts
Issued by NWS Las Vegas, NV
Issued by NWS Las Vegas, NV
770 FNUS85 KVEF 212206 FWLVEF ECCDA DISCUSSIONS NATIONAL WEATHER SERVICE LAS VEGAS NV 306 PM PDT THU AUG 21 2025 ##################################################################### ## ## ## DISCUSSIONS FROM THE LATEST FWF BELOW ## ## ## ##################################################################### ...DISCUSSION FROM RNOFWFVEF... INCREASING MONSOON MOISTURE AND LIGHT WINDS SHOULD LARGELY KEEP FIRE WEATHER CONDITIONS IN CHECK FOR THE NEXT SEVERAL DAYS. DAILY MINIMUM RH VALUES GRADUALLY INCREASE EACH DAY, REMAINING ABOVE 15 PERCENT OVER THE WEEKEND AND MOST OF NEXT WEEK. THE MOISTURE WILL HELP FUEL SCATTERED SHOWERS AND STORMS ACROSS THE REGION, WITH ISOLATED DRY THUNDERSTORM ACTIVITY POSSIBLE ON THE WESTERN PERIPHERY OF THE MOISTURE. BY THE WEEKEND, MOISTURE SHOULD INCREASE ENOUGH TO GREATLY TEMPER THIS THREAT. OUTSIDE OF ANY THUNDERSTORM OUTFLOW, LIGHT WINDS ARE EXPECTED. ...DISCUSSION FROM LAXFWFSGX... HOT WEATHER WILL CONTINUE THROUGH THE WEEKEND AS HIGH PRESSURE MOVES OVER THE AREA. FRIDAY WILL BE THE FIRST DAY OF MODEST CHANCES FOR THUNDERSTORM ACTIVITY OVER THE MOUNTAINS AND DESERTS. ELEVATED CONVECTION WITH ASSOCIATED LIGHTNING COULD OCCUR BY FRIDAY NIGHT INTO SATURDAY MORNING. CHANCES FOR THUNDERSTORMS WILL CONTINUE OVER THIS REGION THIS WEEKEND WITH HIGHER CHANCES FOR WETTING RAIN. COOLING WILL OCCUR BY EARLY NEXT WEEK WITH GRADUAL DRYING OF THE MONSOONAL MOISTURE FOR THE MIDDLE AND LATTER PART OF NEXT WEEK WITH DECREASING CHANCES FOR SHOWERS AND THUNDERSTORMS. ...DISCUSSION FROM PHXFWFPSR... WELL ABOVE NORMAL TEMPERATURES ARE EXPECTED THROUGH AT LEAST THE NEXT COUPLE OF DAYS AS TEMPERATURES APPROACH RECORD LEVELS. ADDITIONALLY, MOISTURE WILL CONTINUE TO INCREASE ACROSS THE AREA, LEADING TO INCREASING THUNDERSTORM CHANCES. BEST SHOWER AND STORM CHANCES THIS AFTERNOON AND EVENING WILL BE ACROSS THE HIGHER TERRAIN EAST OF PHOENIX (30-60%) WITH CHANCES (20-40%) EXTENDING INTO THE LOWER DESERTS OF SOUTH-CENTRAL ARIZONA. CHANCES FOR SHOWERS AND STORMS FURTHER EXPAND TO INCLUDE THE WESTERN DISTRICTS FRIDAY AND SATURDAY. THE PRIMARY THREATS WITH STORMS WILL BE LIGHTNING, STRONG ERRATIC OUTFLOW WINDS, AND LOCALLY HEAVY RAINFALL. CHANCES FOR SEEING OUTFLOW WIND GUSTS IN EXCESS OF 35 MPH TODAY CLIMB UPWARDS OF 50-70% FOR SOUTHERN GILA, EASTERN MARICOPA, AND NW PINAL COUNTIES, WITH A 10% CHANCE OF SEEING GUSTS IN EXCESS OF 58 MPH. SIMILAR PROBABILITIES EXPAND FURTHER WEST FRIDAY TOWARDS THE LOWER COLORADO RIVER VALLEY. OUTSIDE OF ANY THUNDERSTORMS, WINDS WILL OVERALL CONTINUE TO FAVOR DIURNAL UPSLOPE/DOWNVALLEY PATTERNS WITH OCCASIONAL AFTERNOON GUSTS AROUND 15-20 MPH. MIN RHS WILL REMAIN AROUND 15-25% OVER THE NEXT COUPLE OF DAYS, WHILE OVERNIGHT MAX RHS INCREASE TO UPWARDS OF 30-50% FOR MOST AREAS. ##################################################################### ## ## ## AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE ## ## THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST ## ## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF ## ## ## ##################################################################### ECC027-221615- SAN BERNARDINO ECC DISPATCH- DISCUSSION FOR SAN BERNARDINO ECC DISPATCH 306 PM PDT THU AUG 21 2025 INCREASING MONSOON MOISTURE AND LIGHT WINDS SHOULD LARGELY KEEP FIRE WEATHER CONDITIONS IN CHECK FOR THE NEXT SEVERAL DAYS. DAILY MINIMUM RH VALUES GRADUALLY INCREASE EACH DAY, REMAINING ABOVE 15 PERCENT OVER THE WEEKEND AND MOST OF NEXT WEEK. THE MOISTURE WILL HELP FUEL SCATTERED SHOWERS AND STORMS ACROSS THE REGION, WITH ISOLATED DRY THUNDERSTORM ACTIVITY POSSIBLE ON THE WESTERN PERIPHERY OF THE MOISTURE. BY THE WEEKEND, MOISTURE SHOULD INCREASE ENOUGH TO GREATLY TEMPER THIS THREAT. OUTSIDE OF ANY THUNDERSTORM OUTFLOW, LIGHT WINDS ARE EXPECTED. $$