919
FNUS86 KSGX 291038
FWLSGX
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE SAN DIEGO CA
338 AM PDT TUE SEP 29 2026
ECC033-300445-
ORANGE ECC DISPATCH-
DISCUSSION FOR ORANGE ECC DISPATCH
338 AM PDT TUE SEP 29 2026
STRENGTHENING HIGH PRESSURE ALOFT WILL BRING A WARMING TREND WITH A
LONG-DURATION HEAT WAVE LIKELY FOR THIS WEEKEND THROUGH MUCH OF NEXT
WEEK INTO THE FOLLOWING WEEKEND. THERE COULD BE PERIODS OF GUSTY
EAST WINDS ALONG AND BELOW THE COASTAL SLOPES OF THE MOUNTAINS INTO
THE INLAND VALLEYS WITH GUSTS TO 25 TO 35 MPH ON SATURDAY AND 30 TO
40 MPH ON SUNDAY WITH LOWEST DAYTIME RELATIVE HUMIDITY FOR THE
COASTAL SLOPES OF THE MOUNTAINS INTO THE VALLEYS FALLING TO 15 TO
25 PERCENT WITH ELEVATED FIRE WEATHER CONDITIONS. THERE COULD BE
ADDITIONAL PERIODS OF MOSTLY WEAK OFFSHORE FLOW NEXT WEEK, BUT WITH
LOWER CONFIDENCE IN THE TIMING AND OTHER DETAILS.
ECC035-300445-
MONTE VISTA ECC DISPATCH-
338 AM PDT TUE SEP 29 2026
STRENGTHENING HIGH PRESSURE ALOFT WILL BRING A WARMING TREND WITH A
LONG-DURATION HEAT WAVE LIKELY FOR THIS WEEKEND THROUGH MUCH OF NEXT
WEEK INTO THE FOLLOWING WEEKEND. THERE COULD BE PERIODS OF GUSTY
EAST WINDS ALONG AND BELOW THE COASTAL SLOPES OF THE MOUNTAINS INTO
THE INLAND VALLEYS WITH GUSTS TO 25 TO 35 MPH ON SATURDAY AND 30 TO
40 MPH ON SUNDAY WITH LOWEST DAYTIME RELATIVE HUMIDITY FOR THE
COASTAL SLOPES OF THE MOUNTAINS INTO THE VALLEYS FALLING TO 15 TO
25 PERCENT WITH ELEVATED FIRE WEATHER CONDITIONS. THERE COULD BE
ADDITIONAL PERIODS OF MOSTLY WEAK OFFSHORE FLOW NEXT WEEK, BUT WITH
LOWER CONFIDENCE IN THE TIMING AND OTHER DETAILS.
ECC034-300445-
RIVERSIDE ECC DISPATCH-
338 AM PDT TUE SEP 29 2026
..DISCUSSION FROM LAXFWFSGX
STRENGTHENING HIGH PRESSURE ALOFT WILL BRING A WARMING TREND WITH A
LONG-DURATION HEAT WAVE LIKELY FOR THIS WEEKEND THROUGH MUCH OF NEXT
WEEK INTO THE FOLLOWING WEEKEND. THERE COULD BE PERIODS OF GUSTY
EAST WINDS ALONG AND BELOW THE COASTAL SLOPES OF THE MOUNTAINS INTO
THE INLAND VALLEYS WITH GUSTS TO 25 TO 35 MPH ON SATURDAY AND 30 TO
40 MPH ON SUNDAY WITH LOWEST DAYTIME RELATIVE HUMIDITY FOR THE
COASTAL SLOPES OF THE MOUNTAINS INTO THE VALLEYS FALLING TO 15 TO
25 PERCENT WITH ELEVATED FIRE WEATHER CONDITIONS. THERE COULD BE
ADDITIONAL PERIODS OF MOSTLY WEAK OFFSHORE FLOW NEXT WEEK, BUT WITH
LOWER CONFIDENCE IN THE TIMING AND OTHER DETAILS.
..DISCUSSION FROM PHXFWFPSR
WIDESPREAD SHOWERS AND ISOLATED THUNDERSTORMS WILL AFFECT MUCH OF
THE AREA EARLY TODAY BEFORE MAINLY AFFECTING THE ARIZONA HIGH
TERRAIN THIS AFTERNOON AND EVENING. MODERATE TO HEAVY RAINFALL IS
LIKELY TO IMPACT THE ARIZONA HIGH TERRAIN THROUGH AT LEAST EARLY
AFTERNOON. HUMIDITIES WILL BEGIN TO TREND LOWER ACROSS THE WESTERN
DISTRICTS LATER TODAY, BUT MORE SO ON WEDNESDAY. ELEVATED HUMIDITIES
WILL PERSIST ACROSS THE EASTERN DISTRICTS THROUGH AT LEAST THURSDAY.
WINDS WILL BE BREEZY TO LOCALLY WINDY AT TIMES TODAY BEFORE
BECOMING LIGHT AGAIN ON WEDNESDAY.
..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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