975 FNUS85 KVEF 271241 FWLVEF ECCDA DISCUSSIONS NATIONAL WEATHER SERVICE LAS VEGAS NV 441 AM PST WED FEB 27 2019 ##################################################################### ## ## ## DISCUSSIONS FROM THE LATEST FWF BELOW ## ## ## ##################################################################### ...DISCUSSION FROM RNOFWFVEF... AN AREA OF LOW PRESSURE NEAR THE PACIFIC NORTHWEST WILL CONTINUE TO PRODUCE A PERSISTENT WESTERLY FLOW ALOFT WITH MOISTURE AND DISTURBANCES BRUSHING THE SOUTHERN SIERRA. THIS PATTERN WILL PRODUCE ABOVE NORMAL TEMPERATURES AND BREEZY TO WINDY CONDITIONS ACROSS THE MOUNTAINS AND DESERTS THROUGH FRIDAY. PRECIPITATION CHANCES WILL INCREASE ACROSS SOUTHEAST CALIFORNIA SATURDAY AS A FAST MOVING PACIFIC SYSTEM MOVES INLAND. ...DISCUSSION FROM LAXFWFSGX... INLAND AREAS WILL WARM SLIGHTLY TODAY WHILE COASTAL AREAS COOL SLIGHTLY AS THE MARINE LAYER SLOWLY DEEPENS. FOR LATE TONIGHT AND THURSDAY, A LOW PRESSURE SYSTEM MOVING INLAND THROUGH NORTHERN AND CENTRAL CALIFORNIA WILL BRING LIGHT PRECIPITATION TO PORTIONS OF SOUTHWEST CALIFORNIA WITH HIGH SNOW LEVELS. FRIDAY WILL BE DRY UNDER WEAK HIGH PRESSURE ALOFT. ANOTHER LOW PRESSURE SYSTEM MOVING INLAND THROUGH CALIFORNIA WILL BRING GREATER CHANCES FOR LIGHT TO MODERATE PRECIPITATION FOR LATE FRIDAY NIGHT AND SATURDAY WITH CHANCES FOR LIGHTER PRECIPITATION CONTINUING THROUGH SUNDAY. MONDAY AND TUESDAY WOULD BE MOSTLY DRY WITH ONLY SMALL CHANCES FOR LIGHT PRECIPITATION. MORE SIGNIFICANT PRECIPITATION IS POSSIBLE FOR THE MIDDLE OF NEXT WEEK. ...DISCUSSION FROM PHXFWFPSR... DRY WESTERLY FLOW WILL PERSIST ACROSS THE DESERT SOUTHWEST TODAY INTO THURSDAY WITH HIGH CLOUDS THIS MORNING CLEARING OUT THIS AFTERNOON THROUGH TOMORROW. TEMPERATURES WILL BE SLIGHTLY ABOVE NORMAL BOTH DAYS WITH LOWER DESERT LOCATIONS WARMING UP INTO THE MID TO UPPER 70S. MINIMUM RELATIVE HUMIDITY VALUES ACROSS THE LOWER DESERTS WILL BE BETWEEN 15 TO 25 PERCENT TODAY AND 20 TO 30 PERCENT TOMORROW. ASIDE FROM HIGHER TERRAIN LOCATIONS IN SOUTHEAST CALIFORNIA, SURFACE WINDS WILL REMAIN LIGHT WITH AFTERNOON GUSTS STAYING BELOW 10 MPH TODAY AND 15 MPH TOMORROW. ##################################################################### ## ## ## AFTER REVIEWING THE FWF DISCUSSIONS (ABOVE) - COMPLETE ## ## THE DISCUSSION (BELOW) FOR THE ECCDA FORECAST ## ## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KVEFFWLVEF ## ## ## ##################################################################### ECC027-280645- SAN BERNARDINO ECC DISPATCH- DISCUSSION FOR SAN BERNARDINO ECC DISPATCH 441 AM PST WED FEB 27 2019 AN AREA OF LOW PRESSURE NEAR THE PACIFIC NORTHWEST WILL CONTINUE TO PRODUCE A PERSISTENT WESTERLY FLOW ALOFT WITH MOISTURE AND DISTURBANCES BRUSHING THE SOUTHERN SIERRA. THIS PATTERN WILL PRODUCE ABOVE NORMAL TEMPERATURES AND BREEZY CONDITIONS THROUGH FRIDAY. PRECIPITATION CHANCES WILL INCREASE ACROSS THE REGION SATURDAY AS A FAST MOVING PACIFIC SYSTEM MOVES INLAND. $$