377
FNUS86 KSGX 221054
FWLSGX
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE SAN DIEGO CA
254 AM PST MON DEC 22 2025
ECC033-230500-
ORANGE ECC DISPATCH-
DISCUSSION FOR ORANGE ECC DISPATCH
254 AM PST MON DEC 22 2025
ONSHORE FLOW WILL BRING COOLING TO THE COAST INTO THE VALLEYS TODAY
WITH HIGH TEMPERATURES FOR INLAND AREAS STILL 10 TO 15 DEGREES
ABOVE AVERAGE. LIGHTER RAIN COULD DEVELOP AS EARLY AS TUESDAY IN
ADVACE OF A LOW PRESSURE SYSTEM OFF THE CALIFORNIA COAST. HEAVIER
RAINFALL WILL DEVELOP AND SPREAD SOUTHWARD ACROSS THE AREA TUESDAY
NIGHT AND EARLY WEDNESDAY WITH WIDESPREAD HEAVY RAINFALL FOR
WEDNESDAY AND WEDNESDAY NIGHT. GUSTY SOUTH WINDS WILL ALSO OCCUR
TUESDAY NIGHT THROUGH WEDNESDAY EVENING WITH GUSTS TO 40 MPH NEAR
THE COAST AND TO 50 TO 70 MPH ALONG AND BELOW THE DESERT SLOPES OF
THE SAN BERNARDINO COUNTY MOUNTAINS. SHOWERS WITH LOCALLY HEAVY
PRECIPITATION COULD CONTINUE FOR THURSDAY AND THURSDAY NIGHT WITH
DECREASING CHANCES FOR SHOWERS THROUGH WEEKEND. SNOW LEVELS ABOVE
9000 FEET FOR WEDNESDAY WILL FALL TO AROUND 7000 FEET ON THURSDAY
TO AROUND 5000 FEET FOR EARLY SATURDAY.
ECC035-230500-
MONTE VISTA ECC DISPATCH-
254 AM PST MON DEC 22 2025
ONSHORE FLOW WILL BRING COOLING TO THE COAST INTO THE VALLEYS TODAY
WITH HIGH TEMPERATURES FOR INLAND AREAS STILL 10 TO 15 DEGREES
ABOVE AVERAGE. LIGHTER RAIN COULD DEVELOP AS EARLY AS TUESDAY IN
ADVACE OF A LOW PRESSURE SYSTEM OFF THE CALIFORNIA COAST. HEAVIER
RAINFALL WILL DEVELOP AND SPREAD SOUTHWARD ACROSS THE AREA TUESDAY
NIGHT AND EARLY WEDNESDAY WITH WIDESPREAD HEAVY RAINFALL FOR
WEDNESDAY AND WEDNESDAY NIGHT. GUSTY SOUTH WINDS WILL ALSO OCCUR
TUESDAY NIGHT THROUGH WEDNESDAY EVENING WITH GUSTS TO 40 MPH NEAR
THE COAST AND TO 50 TO 70 MPH ALONG AND BELOW THE DESERT SLOPES OF
THE SAN BERNARDINO COUNTY MOUNTAINS. SHOWERS WITH LOCALLY HEAVY
PRECIPITATION COULD CONTINUE FOR THURSDAY AND THURSDAY NIGHT WITH
DECREASING CHANCES FOR SHOWERS THROUGH WEEKEND. SNOW LEVELS ABOVE
9000 FEET FOR WEDNESDAY WILL FALL TO AROUND 7000 FEET ON THURSDAY
TO AROUND 5000 FEET FOR EARLY SATURDAY.
ECC034-230500-
RIVERSIDE ECC DISPATCH-
254 AM PST MON DEC 22 2025
..DISCUSSION FROM LAXFWFSGX
ONSHORE FLOW WILL BRING COOLING TO THE COAST INTO THE VALLEYS TODAY
WITH HIGH TEMPERATURES FOR INLAND AREAS STILL 10 TO 15 DEGREES
ABOVE AVERAGE. LIGHTER RAIN COULD DEVELOP AS EARLY AS TUESDAY IN
ADVACE OF A LOW PRESSURE SYSTEM OFF THE CALIFORNIA COAST. HEAVIER
RAINFALL WILL DEVELOP AND SPREAD SOUTHWARD ACROSS THE AREA TUESDAY
NIGHT AND EARLY WEDNESDAY WITH WIDESPREAD HEAVY RAINFALL FOR
WEDNESDAY AND WEDNESDAY NIGHT. GUSTY SOUTH WINDS WILL ALSO OCCUR
TUESDAY NIGHT THROUGH WEDNESDAY EVENING WITH GUSTS TO 40 MPH NEAR
THE COAST AND TO 50 TO 70 MPH ALONG AND BELOW THE DESERT SLOPES OF
THE SAN BERNARDINO COUNTY MOUNTAINS. SHOWERS WITH LOCALLY HEAVY
PRECIPITATION COULD CONTINUE FOR THURSDAY AND THURSDAY NIGHT WITH
DECREASING CHANCES FOR SHOWERS THROUGH WEEKEND. SNOW LEVELS ABOVE
9000 FEET FOR WEDNESDAY WILL FALL TO AROUND 7000 FEET ON THURSDAY
TO AROUND 5000 FEET FOR EARLY SATURDAY.
..DISCUSSION FROM PHXFWFPSR
HIGH PRESSURE ACROSS THE REGION WILL CONTINUE TO PROMOTE DRY AND
TRANQUIL WEATHER TODAY ALONG WITH UNSEASONABLY WARM TEMPERATURES AS
AFTERNOON HIGHS TOP OUT IN THE UPPER 70S TO LOW 80S ACROSS THE LOWER
DESERTS. AFTERNOON MINRHS WILL RANGE BETWEEN 20-35% WITH GOOD
OVERNIGHT RECOVERIES OF 50-75%. A STRONG PUSH OF MOISTURE WILL MOVE
IN THROUGHOUT THE DAY ON TUESDAY WITH AFTERNOON MINRHS INCREASING
INTO THE 20-50% RANGE AND MAXRH VALUES TUESDAY NIGHT JUMPING TO
75-100%. WITH THE MOISTURE SURGE WILL ALSO COME AN INCREASE IN RAIN
CHANCES TUESDAY AFTERNOON AND NIGHT, MAINLY OVER AZ. WINDS WILL
GENERALLY REMAIN LIGHT AND FOLLOW DIURNAL TENDENCIES. ELEVATED
MOISTURE LEVELS ALONG WITH ADDITIONAL RAIN CHANCES AND COOLER
TEMPERATURES WILL CONTINUE THROUGH THE LATTER PORTION OF THE WEEK.
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN
THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.
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