107
FNUS86 KSGX 150904
FWLSGX
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE SAN DIEGO CA
204 AM PDT TUE SEP 15 2026
ECC033-160315-
ORANGE ECC DISPATCH-
DISCUSSION FOR ORANGE ECC DISPATCH
204 AM PDT TUE SEP 15 2026
A LOW PRESSURE SYSTEM MOVING SOUTHWARD ALONG THE COAST INTO
CALIFORNIA WILL BRING STRONGER ONSHORE FLOW, SLOW COOLING, AND SLOW
DEEPENING OF THE MARINE LAYER INTO WEDNESDAY. LOWEST HUMIDITY FOR
THE AFTERNOON FOR THE DESERTS ONTO THE DESERT SLOPES OF THE
MOUNTAINS WILL FALL TO 15 TO 20 PERCENT WITH SOUTHWEST TO WEST WINDS
GUSTING TO 25 TO 35 MPH DURING THE AFTERNOON AND EVENING THROUGH
WEDNESDAY. SLOW WARMING AND WEAKENING WINDS FOR THURSDAY THROUGH
SATURDAY, THEN A FEW DEGREES COOLER FOR SUNDAY AND MONDAY.
ECC035-160315-
MONTE VISTA ECC DISPATCH-
204 AM PDT TUE SEP 15 2026
A LOW PRESSURE SYSTEM MOVING SOUTHWARD ALONG THE COAST INTO
CALIFORNIA WILL BRING STRONGER ONSHORE FLOW, SLOW COOLING, AND SLOW
DEEPENING OF THE MARINE LAYER INTO WEDNESDAY. LOWEST HUMIDITY FOR
THE AFTERNOON FOR THE DESERTS ONTO THE DESERT SLOPES OF THE
MOUNTAINS WILL FALL TO 15 TO 20 PERCENT WITH SOUTHWEST TO WEST WINDS
GUSTING TO 25 TO 35 MPH DURING THE AFTERNOON AND EVENING THROUGH
WEDNESDAY. SLOW WARMING AND WEAKENING WINDS FOR THURSDAY THROUGH
SATURDAY, THEN A FEW DEGREES COOLER FOR SUNDAY AND MONDAY.
ECC034-160315-
RIVERSIDE ECC DISPATCH-
204 AM PDT TUE SEP 15 2026
..DISCUSSION FROM LAXFWFSGX
A LOW PRESSURE SYSTEM MOVING SOUTHWARD ALONG THE COAST INTO
CALIFORNIA WILL BRING STRONGER ONSHORE FLOW, SLOW COOLING, AND SLOW
DEEPENING OF THE MARINE LAYER INTO WEDNESDAY. LOWEST HUMIDITY FOR
THE AFTERNOON FOR THE DESERTS ONTO THE DESERT SLOPES OF THE
MOUNTAINS WILL FALL TO 15 TO 20 PERCENT WITH SOUTHWEST TO WEST WINDS
GUSTING TO 25 TO 35 MPH DURING THE AFTERNOON AND EVENING THROUGH
WEDNESDAY. SLOW WARMING AND WEAKENING WINDS FOR THURSDAY THROUGH
SATURDAY, THEN A FEW DEGREES COOLER FOR SUNDAY AND MONDAY.
..DISCUSSION FROM PHXFWFPSR
PERIODS OF SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH
WEDNESDAY ACROSS THE EASTERN DISTRICTS SUPPORTING A HEAVY RAINFALL
AND LOCALIZED FLOOD THREAT. MOISTURE LEVELS WILL REMAIN ELEVATED
EXCEPT FOR SOUTHEAST CALIFORNIA. EXPECT MINIMUM HUMIDITY LEVELS TO
STILL FALL INTO A 15-25% RANGE FOR THE WESTERN DISTRICTS WHILE THE
EASTERN DISTRICTS WILL ONLY DIP TO 35-50% THROUGH WEDNESDAY. WINDS
WILL FAVOR THE SOUTH TO SOUTHEAST OVER MUCH OF THE AREA THROUGH
WEDNESDAY WITH GUSTS OF 20-30 MPH AT TIMES ACROSS SOUTHWEST
ARIZONA.
..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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