FNUS86 KSGX 271022

FWLSGX



ECCDA DISCUSSIONS

NATIONAL WEATHER SERVICE SAN DIEGO CA

322 AM PDT MON OCT 27 2025



ECC033-280430-

ORANGE ECC DISPATCH-

DISCUSSION FOR ORANGE ECC DISPATCH

322 AM PDT MON OCT 27 2025



A MARINE LAYER NEAR 2500 FEET DEEP WILL PERSIST INTO THIS MORNING.

OFFSHORE FLOW AND STRENGTHENING HIGH PRESSURE ALOFT WILL BRING 

WARMING THROUGH WEDNESDAY WITH PERIODS OF GUSTY SANTA ANA WINDS 

ALONG AND BELOW THE COASTAL SLOPES OF THE MOUNTAINS FOR TONIGHT 

INTO WEDNESDAY WITH THE STRONGER GUSTS TO 35 TO 45 MPH. LOWEST 

DAYTIME HUMIDITY FOR THE VALLEYS, INLAND ORANGE COUNTY, AND THE 

LOWER COASTAL SLOPES OF THE MOUNTAINS FOR TUESDAY AND WEDNESDAY 

WILL FALL TO 10 TO 15 PERCENT. FOR THURSDAY AND FRIDAY, A RETURN  OF

ONSHORE FLOW WILL SPREAD COOLING AND HIGHER COASTAL HUMIDITY 

INLAND. HIGH TEMPERATURES FOR NEXT WEEKEND WILL BE AT LEAST A FEW 

DEGREES WARMER WITH STRENGTHENING HIGH PRESSURE ALOFT.



$$



ECC035-280430-

MONTE VISTA ECC DISPATCH-

322 AM PDT MON OCT 27 2025



A MARINE LAYER NEAR 2500 FEET DEEP WILL PERSIST INTO THIS MORNING.

OFFSHORE FLOW AND STRENGTHENING HIGH PRESSURE ALOFT WILL BRING 

WARMING THROUGH WEDNESDAY WITH PERIODS OF GUSTY SANTA ANA WINDS 

ALONG AND BELOW THE COASTAL SLOPES OF THE MOUNTAINS FOR TONIGHT 

INTO WEDNESDAY WITH THE STRONGER GUSTS TO 35 TO 45 MPH. LOWEST 

DAYTIME HUMIDITY FOR THE VALLEYS, INLAND ORANGE COUNTY, AND THE 

LOWER COASTAL SLOPES OF THE MOUNTAINS FOR TUESDAY AND WEDNESDAY 

WILL FALL TO 10 TO 15 PERCENT. FOR THURSDAY AND FRIDAY, A RETURN OF

ONSHORE FLOW WILL SPREAD COOLING AND HIGHER COASTAL HUMIDITY 

INLAND. HIGH TEMPERATURES FOR NEXT WEEKEND WILL BE AT LEAST A FEW 

DEGREES WARMER WITH STRENGTHENING HIGH PRESSURE ALOFT.



$$



ECC034-280430-

RIVERSIDE ECC DISPATCH-

322 AM PDT MON OCT 27 2025



...DISCUSSION FROM LAXFWFSGX...



A MARINE LAYER NEAR 2500 FEET DEEP WILL PERSIST INTO THIS MORNING.

OFFSHORE FLOW AND STRENGTHENING HIGH PRESSURE ALOFT WILL BRING 

WARMING THROUGH WEDNESDAY WITH PERIODS OF GUSTY SANTA ANA WINDS 

ALONG AND BELOW THE COASTAL SLOPES OF THE MOUNTAINS FOR TONIGHT 

INTO WEDNESDAY WITH THE STRONGER GUSTS TO 35 TO 45 MPH. LOWEST 

DAYTIME HUMIDITY FOR THE VALLEYS, INLAND ORANGE COUNTY, AND THE 

LOWER COASTAL SLOPES OF THE MOUNTAINS FOR TUESDAY AND WEDNESDAY 

WILL FALL TO 10 TO 15 PERCENT. FOR THURSDAY AND FRIDAY, A RETURN 

OF ONSHORE FLOW WILL SPREAD COOLING AND HIGHER COASTAL HUMIDITY 

INLAND. HIGH TEMPERATURES FOR NEXT WEEKEND WILL BE AT LEAST A FEW 

DEGREES WARMER WITH STRENGTHENING HIGH PRESSURE ALOFT.



...DISCUSSION FROM PHXFWFPSR...



TEMPERATURES WILL REMAIN ABOVE NORMAL TODAY WITH A SLIGHT INCREASE

OF A COUPLE DEGREES TOMORROW. MINRHS TODAY WILL BE AROUND 20% FOR

THE LOWER DESERTS TO AROUND 25% OVER THE HIGHER TERRAIN AREAS.  THEN

TOMORROW THROUGH THE REMAINDER OF THE WEEK, MINRHS FALL TO  10-15%

FOR THE LOWER DESERTS TO AROUND 20% FOR THE HIGHER TERRAIN  AREAS.

OVERNIGHT RECOVERY WILL BE GOOD AND IN THE 30-60% RANGE. WINDS WILL

TEND TO FOLLOW THEIR TYPICAL DIURNAL TENDENCIES.  TUESDAY AFTERNOON

WIND GUSTS WITH GUSTS OF 20-25 MPH ARE EXPECTED  IN THE LOWER

COLORADO RIVER VALLEY AND ACROSS THE HIGHER TERRAIN  IN THE EASTERN

DISTRICT. OTHERWISE, WIND SPEEDS WILL BE LIGHT WITH EXTENDED PERIODS

OF NEARLY CALM CONDITIONS.



NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN

THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.



$$