447
FNUS86 KSGX 181223
FWLSGX
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE SAN DIEGO CA
523 AM PDT FRI SEP 18 2026
ECC033-190630-
ORANGE ECC DISPATCH-
DISCUSSION FOR ORANGE ECC DISPATCH
523 AM PDT FRI SEP 18 2026
HIGH TEMPERATURES WILL WARM A FEW DEGREES FOR TODAY AND SATURDAY AND
COOL A FEW DEGREES FOR SUNDAY AND MONDAY, BUT REMAIN AT LEAST A FEW
DEGREES BELOW AVERAGE FOR THE VALLEYS. IT WILL DRIER FOR THE
DESERTS THROUGH THE WEEKEND WITH LOWEST RELATIVE HUMIDITY FALLING
TO 10 TO 15 PERCENT EACH AFTERNOON, BUT WITH MUCH WEAKER SOUTHWEST
TO WEST WINDS DURING THE AFTERNOON AND EVENING, MOSTLY GUSTING TO
15 TO 25 MPH FOR SATURDAY AND SUNDAY. HIGH PRESSURE TO THE EAST WILL
BRING A WARMING TREND BEGINNING ON TUESDAY WITH HIGH TEMPERATURES
WARMING TO AROUND AVERAGE FOR NEXT WEDNESDAY AND A FEW DEGREES ABOVE
AVERAGE FOR NEXT THURSDAY. A MARINE LAYER NEAR 3500 FEET DEEP WILL
BECOME GRADUALLY SHALLOWER THROUGH THE WEEKEND.
ECC035-190630-
MONTE VISTA ECC DISPATCH-
523 AM PDT FRI SEP 18 2026
HIGH TEMPERATURES WILL WARM A FEW DEGREES FOR TODAY AND SATURDAY AND
COOL A FEW DEGREES FOR SUNDAY AND MONDAY, BUT REMAIN AT LEAST A FEW
DEGREES BELOW AVERAGE FOR THE VALLEYS. IT WILL DRIER FOR THE
DESERTS THROUGH THE WEEKEND WITH LOWEST RELATIVE HUMIDITY FALLING
TO 10 TO 15 PERCENT EACH AFTERNOON, BUT WITH MUCH WEAKER SOUTHWEST
TO WEST WINDS DURING THE AFTERNOON AND EVENING, MOSTLY GUSTING TO
15 TO 25 MPH FOR SATURDAY AND SUNDAY. HIGH PRESSURE TO THE EAST WILL
BRING A WARMING TREND BEGINNING ON TUESDAY WITH HIGH TEMPERATURES
WARMING TO AROUND AVERAGE FOR NEXT WEDNESDAY AND A FEW DEGREES ABOVE
AVERAGE FOR NEXT THURSDAY. A MARINE LAYER NEAR 3500 FEET DEEP WILL
BECOME GRADUALLY SHALLOWER THROUGH THE WEEKEND.
ECC034-190630-
RIVERSIDE ECC DISPATCH-
523 AM PDT FRI SEP 18 2026
..DISCUSSION FROM LAXFWFSGX
HIGH TEMPERATURES WILL WARM A FEW DEGREES FOR TODAY AND SATURDAY AND
COOL A FEW DEGREES FOR SUNDAY AND MONDAY, BUT REMAIN AT LEAST A FEW
DEGREES BELOW AVERAGE FOR THE VALLEYS. IT WILL DRIER FOR THE
DESERTS THROUGH THE WEEKEND WITH LOWEST RELATIVE HUMIDITY FALLING
TO 10 TO 15 PERCENT EACH AFTERNOON, BUT WITH MUCH WEAKER SOUTHWEST
TO WEST WINDS DURING THE AFTERNOON AND EVENING, MOSTLY GUSTING TO
15 TO 25 MPH FOR SATURDAY AND SUNDAY. HIGH PRESSURE TO THE EAST WILL
BRING A WARMING TREND BEGINNING ON TUESDAY WITH HIGH TEMPERATURES
WARMING TO AROUND AVERAGE FOR NEXT WEDNESDAY AND A FEW DEGREES ABOVE
AVERAGE FOR NEXT THURSDAY. A MARINE LAYER NEAR 3500 FEET DEEP WILL
BECOME GRADUALLY SHALLOWER THROUGH THE WEEKEND.
..DISCUSSION FROM PHXFWFPSR
OVERALL THERE ARE NO FIRE WEATHER CONCERNS THROUGH THE NEXT WEEK. A
DRYING TREND WILL CONTINUE TODAY THROUGH THIS WEEKEND. WITH NO
RAIN EXPECTED. MINIMUM RH VALUES THIS AFTERNOON WILL BE AROUND
20-35% ACROSS SOUTH-CENTRAL AZ TO 10-20% ACROSS SOUTHEAST CA AND
SOUTHWEST AZ. THE MINIMUM RHS WILL THEN DIP TO 10-20% FOR NEARLY
ALL AREAS THIS WEEKEND. OVERNIGHT RECOVERIES ACROSS SOUTH-CENTRAL
AZ WILL STILL BE GOOD TONIGHT AT 45-75%, BUT THEN FALL LOWER THIS
WEEKEND. WINDS WILL MOSTLY FOLLOW TYPICAL DIURNAL PATTERNS WITH
MODEST AFTERNOON UPSLOPE/UPVALLEY GUSTINESS (15-25 MPH).
..THUNDERSTORMS IMPLY GUSTY WINDS
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN
THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
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