321
FNUS86 KSGX 191143
FWLSGX

ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE SAN DIEGO CA
343 AM PST SUN JAN 19 2025

ECC033-200545-
ORANGE ECC DISPATCH-
DISCUSSION FOR ORANGE ECC DISPATCH
343 AM PST SUN JAN 19 2025


MODERATE TO STRONG SANTA ANA WINDS EVENT WILL DEVELOP FOR LATE
MONDAY THROUGH TUESDAY EVENING. WINDS WILL BEGIN TO STRENGTHEN ON
MONDAY AFTERNOON, PEAKING IN INTENSITY OVERNIGHT INTO TUESDAY
MORNING. WIDESPREAD WIND GUSTS OF 35-50 MPH WILL OCCUR ACROSS
INLAND VALLEYS WEST OF THE MOUNTAINS, WITH LOCAL GUSTS OVER 70 MPH
IN THE FAVORED PASSES, CANYONS, AND ON COASTAL SLOPES. INITIALLY,
WINDS WILL BE NORTHEASTERLY ON MONDAY, SLOWLY BECOMING EASTERLY
WITH THE STRONGEST WINDS FAVORING THE SAN DIEGO AND RIVERSIDE
COUNTY MOUNTAINS AND ADJACENT FOOTHILLS TUESDAY MORNING. MINIMUM
RELATIVE HUMIDITY MONDAY AFTERNOON WILL BE AROUND 15-20% WITH VERY
POOR OVERNIGHT RECOVERY. EXTREMELY DRY WEATHER IS EXPECTED ON
TUESDAY AND TUESDAY NIGHT WITH MINIMUM HUMIDITY OF 5-8% TUESDAY
AFTERNOON, POTENTIALLY REMAINING IN THE SINGLE DIGITS IN THE
MOUNTAINS AND FOOTHILLS INTO TUESDAY NIGHT WITH POOR RECOVERY  IN
MOST AREAS. WINDS WILL WEAKEN TUESDAY NIGHT WITH WEAK OFFSHORE FLOW
AND DRY CONDITIONS CONTINUING INTO WEDNESDAY.

WINDS STRENGTHEN AGAIN ON THURSDAY WHEN THERE IS A 50-60 PERCENT
CHANCE OF A MODERATE SANTA ANA EVENT. THESE WINDS WILL POSSIBLY
CONTINUE INTO FRIDAY, THOUGH WEAKER. RELATIVE HUMIDITY WILL REMAIN
IN THE SINGLE DIGITS TO MID TEENS, MAINTAINING NEAR CRITICAL TO
CRITICAL FIRE WEATHER CONDITIONS. CONDITIONS IMPROVE GREATLY
SATURDAY AND SUNDAY WITH THE RETURN OF ONSHORE FLOW AND A
20-30 PERCENT CHANCE OF MEASURABLE PRECIPITATION.


$$

ECC035-200545-
MONTE VISTA ECC DISPATCH-
343 AM PST SUN JAN 19 2025


MODERATE TO STRONG SANTA ANA WINDS EVENT WILL DEVELOP FOR LATE
MONDAY THROUGH TUESDAY EVENING. WINDS WILL BEGIN TO STRENGTHEN ON
MONDAY AFTERNOON, PEAKING IN INTENSITY OVERNIGHT INTO TUESDAY
MORNING. WIDESPREAD WIND GUSTS OF 35-50 MPH WILL OCCUR ACROSS
INLAND VALLEYS WEST OF THE MOUNTAINS, WITH LOCAL GUSTS OVER 70 MPH
IN THE FAVORED PASSES, CANYONS, AND ON COASTAL SLOPES. INITIALLY,
WINDS WILL BE NORTHEASTERLY ON MONDAY, SLOWLY BECOMING EASTERLY
WITH THE STRONGEST WINDS FAVORING THE SAN DIEGO AND RIVERSIDE
COUNTY MOUNTAINS AND ADJACENT FOOTHILLS TUESDAY MORNING. MINIMUM
RELATIVE HUMIDITY MONDAY AFTERNOON WILL BE AROUND 15-20% WITH VERY
POOR OVERNIGHT RECOVERY. EXTREMELY DRY WEATHER IS EXPECTED ON
TUESDAY AND TUESDAY NIGHT WITH MINIMUM HUMIDITY OF 5-8% TUESDAY
AFTERNOON, POTENTIALLY REMAINING IN THE SINGLE DIGITS IN THE
MOUNTAINS AND FOOTHILLS INTO TUESDAY NIGHT WITH POOR RECOVERY  IN
MOST AREAS. WINDS WILL WEAKEN TUESDAY NIGHT WITH WEAK OFFSHORE FLOW
AND DRY CONDITIONS CONTINUING INTO WEDNESDAY.

WINDS STRENGTHEN AGAIN ON THURSDAY WHEN THERE IS A 50-60 PERCENT
CHANCE OF A MODERATE SANTA ANA EVENT. THESE WINDS WILL POSSIBLY
CONTINUE INTO FRIDAY, THOUGH WEAKER. RELATIVE HUMIDITY WILL REMAIN
IN THE SINGLE DIGITS TO MID TEENS, MAINTAINING NEAR CRITICAL TO
CRITICAL FIRE WEATHER CONDITIONS. CONDITIONS IMPROVE GREATLY
SATURDAY AND SUNDAY WITH THE RETURN OF ONSHORE FLOW AND A
20-30 PERCENT CHANCE OF MEASURABLE PRECIPITATION.


$$

ECC034-200545-
RIVERSIDE ECC DISPATCH-
343 AM PST SUN JAN 19 2025

...DISCUSSION FROM LAXFWFSGX...


MODERATE TO STRONG SANTA ANA WINDS EVENT WILL DEVELOP FOR LATE
MONDAY THROUGH TUESDAY EVENING. WINDS WILL BEGIN TO STRENGTHEN ON
MONDAY AFTERNOON, PEAKING IN INTENSITY OVERNIGHT INTO TUESDAY
MORNING. WIDESPREAD WIND GUSTS OF 35-50 MPH WILL OCCUR ACROSS
INLAND VALLEYS WEST OF THE MOUNTAINS, WITH LOCAL GUSTS OVER 70 MPH
IN THE FAVORED PASSES, CANYONS, AND ON COASTAL SLOPES. INITIALLY,
WINDS WILL BE NORTHEASTERLY ON MONDAY, SLOWLY BECOMING EASTERLY
WITH THE STRONGEST WINDS FAVORING THE SAN DIEGO AND RIVERSIDE
COUNTY MOUNTAINS AND ADJACENT FOOTHILLS TUESDAY MORNING. MINIMUM
RELATIVE HUMIDITY MONDAY AFTERNOON WILL BE AROUND 15-20% WITH VERY
POOR OVERNIGHT RECOVERY. EXTREMELY DRY WEATHER IS EXPECTED ON
TUESDAY AND TUESDAY NIGHT WITH MINIMUM HUMIDITY OF 5-8% TUESDAY
AFTERNOON, POTENTIALLY REMAINING IN THE SINGLE DIGITS IN THE
MOUNTAINS AND FOOTHILLS INTO TUESDAY NIGHT WITH POOR RECOVERY  IN
MOST AREAS. WINDS WILL WEAKEN TUESDAY NIGHT WITH WEAK OFFSHORE FLOW
AND DRY CONDITIONS CONTINUING INTO WEDNESDAY.

WINDS STRENGTHEN AGAIN ON THURSDAY WHEN THERE IS A 50-60 PERCENT
CHANCE OF A MODERATE SANTA ANA EVENT. THESE WINDS WILL POSSIBLY
CONTINUE INTO FRIDAY, THOUGH WEAKER. RELATIVE HUMIDITY WILL REMAIN
IN THE SINGLE DIGITS TO MID TEENS, MAINTAINING NEAR CRITICAL TO
CRITICAL FIRE WEATHER CONDITIONS. CONDITIONS IMPROVE GREATLY
SATURDAY AND SUNDAY WITH THE RETURN OF ONSHORE FLOW AND A
20-30 PERCENT CHANCE OF MEASURABLE PRECIPITATION.


...DISCUSSION FROM PHXFWFPSR...


TEMPERATURES SHOULD HOVER CLOSE TO THE SEASONAL NORMAL THROUGH THE
MIDDLE OF NEXT WEEK WITH EXPANSIVE DRY AIR IN PLACE RESULTING IN
ESSENTIALLY NO CHANCE OF WETTING RAINFALL. MINIMUM AFTERNOON
HUMIDITY LEVELS WILL SETTLE IN A 15-25% RANGE TODAY, THEN CLOSER  TO
A 5-15% RANGE NEXT WEEK WITH A RENEWED SURGE OF DRIER AIR.  WEEKEND
FAIR TO GOOD OVERNIGHT RECOVERY OF 30-60% WILL DETERIORATE TOWARDS
POOR RECOVERY OF ONLY 15-30% NEXT WEEK. WHILE SOME GUSTY  NORTH
WINDS RESULTING IN A PERIOD OF ELEVATED FIRE DANGER WILL  EXIST
MAINLY ON MONDAY AND MONDAY NIGHT FOR THE WESTERN DISTRICTS  AND
SOME HIGHER TERRAIN AREAS OF THE EASTERN DISTRICTS, LIGHT  WINDS
WILL BECOME MORE COMMON OVER THE REMAINDER OF THE REGION.

NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN
THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.


$$