527 FNUS86 KSGX 201114 FWLSGX SGXWRKECC WORK DISCUSSION FOR SAN DIEGO FIRE WEATHER ECC DISPATCH FORECASTS NATIONAL WEATHER SERVICE SAN DIEGO CA 314 AM PDT MON JAN 20 2014 ########################################################## ## 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 WARM AND VERY DRY CONDITIONS WILL CONTINUE FOR INLAND AREAS THROUGH WEDNESDAY...WITH LOCALLY GUSTY NORTHEAST WINDS TO 25 MPH NEAR THE COASTAL FOOTHILLS AT TIMES. A SHALLOW MARINE LAYER WILL BRING MINOR COOLING AND HIGHER HUMIDITIES NEAR THE COAST THROUGH EARLY TUESDAY. A WEAK TROUGH OF LOW PRESSURE TO THE NORTH WILL BRING WEAK ONSHORE FLOW WITH COOLER TEMPERATURES AND HIGHER COASTAL HUMIDITIES FOR THURSDAY INTO EARLY NEXT WEEK. Discussion from LAXFWFLOX AN UPPER LEVEL RIDGE OF HIGH PRESSURE COMBINED WITH WEAK OFFSHORE FLOW NEAR THE SURFACE WILL CONTINUE TO BRING UNSEASONABLY WARM AND DRY CONDITIONS WITH ELEVATED FIRE DANGER OVER SOUTHWEST CALIFORNIA THROUGH THURSDAY. DAYTIME HUMIDITIES WILL REMAIN IN THE LOW TEENS AND SINGLE DIGITS AWAY FROM THE COAST DURING THIS PERIOD. OVERNIGHT HUMIDITY RECOVERY WILL CONTINUE TO REMAIN POOR IN THE MOUNTAINS AND FOOTHILLS. OFFSHORE WINDS WILL STRENGTHEN SLIGHTLY ON TUESDAY...FOR A BRIEF BUMP UP IN OFFSHORE WINDS ACROSS LOS ANGELES AND VENTURA COUNTIES. WIND GUSTS IN THE 25 TO 35 MPH RANGE CAN BE EXPECTED IN THE MOUNTAINS...WITH GUSTS IN THE 20 TO 25 MPH RANGE ACROSS THE VALLEYS. THE MAIN IMPACT OF THIS BRIEF INCREASE IN OFFSHORE FLOW WILL BE THE REINFORCEMENT OF THE VERY WARM AND DRY CONDITIONS. WARMEST LOCATIONS COULD ONCE AGAIN CLIMB INTO THE MID 80S ON TUESDAY AND WEDNESDAY...WITH WIDESPREAD SINGLE DIGIT HUMIDITIES DURING THIS PERIOD. BRIEF CRITICAL FIRE WEATHER CONDITIONS WILL BE POSSIBLE ON TUESDAY ACROSS THE MOUNTAINS. LATEST COMPUTER MODELS ARE INDICATING THE POSSIBILITY OF SURFACE HIGH PRESSURE REBUILDING OVER THE GREAT BASIN FRIDAY INTO SATURDAY...POTENTIALLY BRINGING MODERATE OFFSHORE WINDS ACROSS SOUTHERN CALIFORNIA. THIS OFFSHORE FLOW EVENT IS EXPECTED TO BE SOMEWHAT COOLER IN NATURE WITH HUMIDITIES GENERALLY IN THE TEENS. Discussion from SFOFWFHNX A STRONG HIGH PRESSURE AREA WILL REMAIN ANCHORED OVER CALIFORNIA THROUGH THE REMAINDER OF THE HOLIDAY WEEKEND. DRY WEATHER AND UNSEASONABLY LOW HUMIDITIES CAN BE EXPECTED AS A RESULT. AFTERNOON TEMPERATURES WILL CONTINUE TO RUN WELL ABOVE NORMAL. WINDS OVER MUCH OF THE DISTRICT WILL BE LIGHT AND TERRAIN DRIVEN THROUGH THE WEEKEND. A LOW PRESSURE SYSTEM IS EXPECTED TO MOVE ACROSS THE PACIFIC NORTHWEST AND NORTHERN CALIFORNIA BY THURSDAY WHICH WILL BRING COOLER TEMPERATURES...INCREASED CLOUDS AND A SLIGHT INCREASE IN HUMIDITIES AND WINDS BY LATE IN THE WEEK. Discussion from RNOFWFVEF A STRONG RIDGE OF HIGH PRESSURE WILL RESULT IN DRY AND MILD CONDITIONS ACROSS THE AREA THROUGH AT LEAST THE MIDDLE PART OF THE UPCOMING WEEK. BREEZY NORTH WINDS WILL PERSIST IN THE COLORADO RIVER VALLEY THROUGH THE FIRST HALF OF THE WEEK. Discussion from PHXFWFPSR A HIGH PRESSURE SYSTEM WILL CONTINUE TO COVER THE REGION MONDAY AND TUESDAY...RESULTING IN MUCH ABOVE NORMAL TEMPERATURES AND LOW HUMIDITY. MINIMUM RELATIVE HUMIDITIES ARE EXPECTED IN THE 10 TO 15 PERCENT RANGE. WINDS WILL BE LIGHT. GOOD RECOVERY IS EXPECTED AT NIGHT. NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR. ############# Modify the discussions below ############### ECC033-202314- DISCUSSION FOR ORANGE ECC DISPATCH 314 AM PDT MON JAN 20 2014 WARM AND VERY DRY CONDITIONS WILL CONTINUE FOR INLAND AREAS THROUGH WEDNESDAY...WITH LOCALLY GUSTY NORTHEAST WINDS TO 25 MPH NEAR THE COASTAL FOOTHILLS AT TIMES. A SHALLOW MARINE LAYER WILL BRING MINOR COOLING AND HIGHER HUMIDITIES NEAR THE COAST THROUGH EARLY TUESDAY. A WEAK TROUGH OF LOW PRESSURE TO THE NORTH WILL BRING WEAK ONSHORE FLOW WITH COOLER TEMPERATURES AND HIGHER COASTAL HUMIDITIES FOR THURSDAY INTO EARLY NEXT WEEK. $$ ECC034-202314- DISCUSSION FOR RIVERSIDE ECC DISPATCH 314 AM PDT MON JAN 20 2014 WARM AND VERY DRY CONDITIONS WILL CONTINUE FOR INLAND AREAS THROUGH WEDNESDAY...WITH LOCALLY GUSTY NORTHEAST WINDS TO 25 MPH NEAR THE COASTAL FOOTHILLS AT TIMES. A SHALLOW MARINE LAYER WILL BRING MINOR COOLING AND HIGHER HUMIDITIES NEAR THE COAST THROUGH EARLY TUESDAY. A WEAK TROUGH OF LOW PRESSURE TO THE NORTH WILL BRING WEAK ONSHORE FLOW WITH COOLER TEMPERATURES AND HIGHER COASTAL HUMIDITIES FOR THURSDAY INTO EARLY NEXT WEEK. $$ ECC035-202314- DISCUSSION FOR MONTE VISTA ECC DISPATCH 314 AM PDT MON JAN 20 2014 WARM AND VERY DRY CONDITIONS WILL CONTINUE FOR INLAND AREAS THROUGH WEDNESDAY...WITH LOCALLY GUSTY NORTHEAST WINDS TO 25 MPH NEAR THE COASTAL FOOTHILLS AT TIMES. A SHALLOW MARINE LAYER WILL BRING MINOR COOLING AND HIGHER HUMIDITIES NEAR THE COAST THROUGH EARLY TUESDAY. A WEAK TROUGH OF LOW PRESSURE TO THE NORTH WILL BRING WEAK ONSHORE FLOW WITH COOLER TEMPERATURES AND HIGHER COASTAL HUMIDITIES FOR THURSDAY INTO EARLY NEXT WEEK. $$