974
FNUS86 KSGX 180847
FWLSGX
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE SAN DIEGO CA
147 AM PDT TUE AUG 18 2026
ECC033-190300-
ORANGE ECC DISPATCH-
DISCUSSION FOR ORANGE ECC DISPATCH
147 AM PDT TUE AUG 18 2026
HIGH PRESSURE TO THE EAST WILL SLOWLY STRENGTHEN INTO THE MIDDLE OF
THIS WEEK WITH HIGH TEMPERATURES FOR WEDNESDAY AND THURSDAY AROUND
5 DEGREES ABOVE AVERAGE FOR INLAND AREAS. HIGH TEMPERATURES WILL
COOL SLIGHTLY FOR FRIDAY INTO EARLY NEXT WEEK TO WITHIN A FEW
DEGREES OF AVERAGE FOR NEXT MONDAY. MONSOONAL MOISTURE WILL INCREASE
FOR LATE WEDNESDAY INTO THURSDAY WITH A SLIGHT CHANCE OF AFTERNOON
SHOWERS AND THUNDERSTORMS FOR THE MOUNTAINS AND DESERTS FOR THURSDAY
AND FRIDAY.
ECC035-190300-
MONTE VISTA ECC DISPATCH-
147 AM PDT TUE AUG 18 2026
HIGH PRESSURE TO THE EAST WILL SLOWLY STRENGTHEN INTO THE MIDDLE OF
THIS WEEK WITH HIGH TEMPERATURES FOR WEDNESDAY AND THURSDAY AROUND
5 DEGREES ABOVE AVERAGE FOR INLAND AREAS. HIGH TEMPERATURES WILL
COOL SLIGHTLY FOR FRIDAY INTO EARLY NEXT WEEK TO WITHIN A FEW
DEGREES OF AVERAGE FOR NEXT MONDAY. MONSOONAL MOISTURE WILL INCREASE
FOR LATE WEDNESDAY INTO THURSDAY WITH A SLIGHT CHANCE OF AFTERNOON
SHOWERS AND THUNDERSTORMS FOR THE MOUNTAINS AND DESERTS FOR THURSDAY
AND FRIDAY.
ECC034-190300-
RIVERSIDE ECC DISPATCH-
147 AM PDT TUE AUG 18 2026
..DISCUSSION FROM LAXFWFSGX
HIGH PRESSURE TO THE EAST WILL SLOWLY STRENGTHEN INTO THE MIDDLE OF
THIS WEEK WITH HIGH TEMPERATURES FOR WEDNESDAY AND THURSDAY AROUND
5 DEGREES ABOVE AVERAGE FOR INLAND AREAS. HIGH TEMPERATURES WILL
COOL SLIGHTLY FOR FRIDAY INTO EARLY NEXT WEEK TO WITHIN A FEW
DEGREES OF AVERAGE FOR NEXT MONDAY. MONSOONAL MOISTURE WILL INCREASE
FOR LATE WEDNESDAY INTO THURSDAY WITH A SLIGHT CHANCE OF AFTERNOON
SHOWERS AND THUNDERSTORMS FOR THE MOUNTAINS AND DESERTS FOR THURSDAY
AND FRIDAY.
..DISCUSSION FROM PHXFWFPSR
ABOVE NORMAL TEMPERATURES WITH A STEADY INCREASE IN LOW-LEVEL
MOISTURE IS ANTICIPATED OVER THE NEXT FEW DAYS. MOST LOWER DESERT
COMMUNITIES WILL SEE TEMPERATURES TOPPING OUT AROUND 110-113
DEGREES. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE FORECAST
FOR THE HIGH TERRAIN TODAY WITH AN INCREASE IN COVERAGE EXPECTED
WEDNESDAY INTO THURSDAY. RELATIVE HUMIDITY VALUES OF 15-25% TODAY
WILL INCREASE TO 20-30% STARTING WEDNESDAY. OUTSIDE OF GUSTY AND
ERRATIC WINDS NEAR ANY THUNDERSTORM, OVERALL WINDS WILL FOLLOW THE
TYPICAL DIURNAL TENDENCIES WITH SOME MODEST AFTERNOON UPSLOPE
GUSTINESS.
..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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