258 FNUS86 KSGX 151325 FWLSGX SGXWRKECC WORK DISCUSSION FOR SAN DIEGO FIRE WEATHER ECC DISPATCH FORECASTS NATIONAL WEATHER SERVICE SAN DIEGO CA 625 AM PDT THU MAR 15 2012 ########################################################## ## If you need to edit any discussions below ## ## in the sections labeled as: ## ## ## ## ECC033, ECC034 or ECC035- ## ## ## ## Then edit them in this product and store as: ## ## ## ## LAXECCSGX ## ## ## ## (note that ECC033, etc. are no longer separate PILs) ## ## ## ## No action is required if you like the current ## ## discussions in the fire weather forecast (and ## ## they apply to Phoenix's part of the ECC034 too). ## ########################################################## SUMMARY OF FWF DISCUSSIONS Discussion from LAXFWFSGX A TROUGH OF LOW PRESSURE NEAR THE WEST COAST WILL MAINTAIN COOL WEATHER... HIGH HUMIDITY BELOW ABOUT 3000 FT ELEVATION...AND LOCALLY GUSTY WEST WINDS IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY. FOR LATE FRIDAY NIGHT THROUGH MONDAY...A STRONG COLD LOW PRESSURE SYSTEM IS EXPECTED TO MOVE INLAND ACROSS CALIFORNIA BRINGING MUCH COOLER WEATHER...STRONG GUSTY WEST WINDS AT TIMES...AND MODERATE TO LOCALLY HEAVY PRECIPITATION. SNOW LEVELS WILL FALL TO AS LOW AS 2500-3000 FT ON SUNDAY. GRADUAL DRYING AND WARMING FOR TUESDAY AND WEDNESDAY. Discussion from LAXFWFLOX A BROAD UPPER LEVEL TROUGH WILL PREVAIL ACROSS CALIFORNIA THIS WEEK...BRINGING PLENTY OF CLOUDS AND COOLER TEMPERATURES TO MUCH OF THE REGION...AS WELL AS GUSTY ONSHORE WINDS IN THE MOUNTAINS AND DESERTS. WHILE MOST OF THE RAINFALL WILL BE FOCUSED ACROSS NORTHERN AND CENTRAL CALIFORNIA THIS WEEK...SAN LUIS OBISPO AND SANTA BARBARA COUNTY WILL HAVE A CHANCE OF LIGHT RAIN AT TIMES THROUGH FRIDAY. FRIDAY NIGHT THROUGH SATURDAY...THE UPPER LEVEL TROUGH WILL DEEPEN ACROSS CALIFORNIA...WITH A COLD FRONT LIKELY BRINGING WIDESPREAD PRECIPITATION TO THE FORECAST AREA. BEHIND THE COLD FRONT...A COLD AND SLIGHTLY UNSTABLE AIR MASS WILL LIKELY BRING SHOWERS SATURDAY NIGHT INTO SUNDAY. DURING THIS TIME...THERE COULD BE BRIEF HEAVY DOWNPOURS AND SMALL HAIL. PRELIMINARY RAINFALL ESTIMATES WITH THIS SYSTEM ARE GENERALLY EXPECTED TO RANGE BETWEEN ONE HALF AND ONE AND ONE HALF INCHES...WITH LOCAL AMOUNTS TO TWO INCHES IN THE MOUNTAINS AND FOOTHILLS. SNOW LEVELS ARE EXPECTED TO RANGE BETWEEN 5000 AND 6000 FEET PRIOR TO THE COLD FRONT ON SATURDAY...FALLING RAPIDLY TO BETWEEN 2000 AND 3000 FEET SATURDAY NIGHT INTO SUNDAY. Discussion from SFOFWFHNX A MOIST WESTERLY FLOW WILL CONTINUE ACROSS NORTHERN CALIFORNIA...WITH LIGHT PRECIPITATION EXTENDING AS FAR SOUTH AS MERCED AND YOSEMITE THROUGH EARLY FRIDAY. A TROUGH OF LOW PRESSURE WILL DEEPEN ALONG THE COAST FRIDAY...SPREADING THE PRECIPITATION AND COOLER TEMPERATURES SOUTHWARD ACROSS THE DISTRICT FRIDAY AFTERNOON THROUGH SATURDAY. GUSTY WEST WINDS ARE EXPECTED ACROSS THE HIGHER ELEVATIONS OF THE SIERRA AND THROUGH AND BELOW PASSES IN KERN COUNTY SATURDAY. UNSETTLED WEATHER WILL CONTINUE SUNDAY BEFORE A RETURN TO DRY AND MILD CONDITIONS BY TUESDAY. Discussion from RNOFWFVEF A SOUTHWEST FLOW ALOFT WILL PERSIST THROUGH FRIDAY. CONSIDERABLE HIGH CLOUDINESS AND ABOVE NORMAL TEMPERATURES CAN BE EXPECTED WITH LOCALLY BREEZY CONDITIONS...MAINLY ON FRIDAY. THE STRONG LOW PRESSURE SYSTEM WE HAVE BEEN TALKING ABOUT IS STILL ON TRACK TO BRING STRONG WINDS...MUCH COOLER TEMPERATURES...AND VALLEY RAIN AND MOUNTAIN SNOW TO THE AREA OVER THE WEEKEND. SCATTERED SHOWERS WILL LINGER INTO MONDAY WITH DRY AND WARMER WEATHER RETURNING BY TUESDAY. Discussion from PHXFWFPSR DRY WEATHER WILL PREVAIL THIS WEEK. LIGHT DIURNAL WINDS ARE EXPECTED TODAY AND TOMORROW. DAYTIME HIGHS WILL CONTINUE TO RUN ABOVE NORMAL. HUMIDITIES WILL DROP INTO THE SINGLE DIGIT PERCENTAGES IN THE AFTERNOONS WITH FAIR TO GOOD OVERNIGHT RECOVERY EXPECTED. ...THUNDERSTORMS IMPLY GUSTY WINDS... NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR. ############# Modify the discussions below ############### ECC033-160125- DISCUSSION FOR ORANGE ECC DISPATCH 625 AM PDT THU MAR 15 2012 A TROUGH OF LOW PRESSURE NEAR THE WEST COAST WILL MAINTAIN COOL WEATHER... HIGH HUMIDITY BELOW ABOUT 3000 FT ELEVATION...AND LOCALLY GUSTY WEST WINDS IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY. FOR LATE FRIDAY NIGHT THROUGH MONDAY...A STRONG COLD LOW PRESSURE SYSTEM IS EXPECTED TO MOVE INLAND ACROSS CALIFORNIA BRINGING MUCH COOLER WEATHER...STRONG GUSTY WEST WINDS AT TIMES...AND MODERATE TO LOCALLY HEAVY PRECIPITATION. SNOW LEVELS WILL FALL TO AS LOW AS 2500-3000 FT ON SUNDAY. GRADUAL DRYING AND WARMING FOR TUESDAY AND WEDNESDAY. $$ ECC034-160125- DISCUSSION FOR RIVERSIDE ECC DISPATCH 625 AM PDT THU MAR 15 2012 A TROUGH OF LOW PRESSURE NEAR THE WEST COAST WILL MAINTAIN COOL WEATHER... HIGH HUMIDITY BELOW ABOUT 3000 FT ELEVATION...AND LOCALLY GUSTY WEST WINDS IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY. FOR LATE FRIDAY NIGHT THROUGH MONDAY...A STRONG COLD LOW PRESSURE SYSTEM IS EXPECTED TO MOVE INLAND ACROSS CALIFORNIA BRINGING MUCH COOLER WEATHER...STRONG GUSTY WEST WINDS AT TIMES...AND MODERATE TO LOCALLY HEAVY PRECIPITATION. SNOW LEVELS WILL FALL TO AS LOW AS 2500-3000 FT ON SUNDAY. GRADUAL DRYING AND WARMING FOR TUESDAY AND WEDNESDAY. $$ ECC035-160125- DISCUSSION FOR MONTE VISTA ECC DISPATCH 625 AM PDT THU MAR 15 2012 A TROUGH OF LOW PRESSURE NEAR THE WEST COAST WILL MAINTAIN COOL WEATHER... HIGH HUMIDITY BELOW ABOUT 3000 FT ELEVATION...AND LOCALLY GUSTY WEST WINDS IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY. FOR LATE FRIDAY NIGHT THROUGH MONDAY...A STRONG COLD LOW PRESSURE SYSTEM IS EXPECTED TO MOVE INLAND ACROSS CALIFORNIA BRINGING MUCH COOLER WEATHER...STRONG GUSTY WEST WINDS AT TIMES...AND MODERATE TO LOCALLY HEAVY PRECIPITATION. SNOW LEVELS WILL FALL TO AS LOW AS 2500-3000 FT ON SUNDAY. GRADUAL DRYING AND WARMING FOR TUESDAY AND WEDNESDAY. $$