334  
FNUS86 KSGX 292046  
FWLSGX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
146 PM PDT WED OCT 29 2025  
 
ECC033-301500-  
ORANGE ECC DISPATCH-  
DISCUSSION FOR ORANGE ECC DISPATCH  
146 PM PDT WED OCT 29 2025  
 
HIGH PRESSURE ALOFT AND WEAKENING OFFSHORE FLOW WILL BRING HIGH  
TEMPERATURES AS MUCH AS 15 TO 20 DEGREES ABOVE AVERAGE TODAY FOR  
PORTIONS OF THE VALLEYS AND INLAND COASTAL AREAS. THERE WILL BE  
WEAKENING SANTA ANA WINDS ALONG AND BELOW THE COASTAL SLOPES OF THE  
MOUNTAINS THROUGH TODAY, WITH STRONGER GUSTS OF 25 TO 35 MPH. LOWEST  
HUMIDITY FOR INLAND AREAS TODAY WILL FALL TO 8 TO 12 PERCENT. A  
SHALLOW MARINE LAYER WILL CONTINUE INTO EARLY THURSDAY, THEN DEEPEN  
TO AROUND 1000 TO 1200 FEET FOR FRIDAY INTO THE WEEKEND. A RETURN  
OF ONSHORE FLOW WILL SPREAD COOLING AND HIGHER HUMIDITIES INLAND FOR  
THURSDAY AND FRIDAY, WITH HIGH TEMPERATURES ON FRIDAY 10 TO  
15 DEGREES COOLER THAN THOSE FOR TODAY FOR SOME VALLEY AND INLAND  
COASTAL AREAS. HIGH TEMPERATURES FOR THE WEEKEND WILL BE A FEW  
DEGREES WARMER, THEN COOLING FOR EARLY NEXT WEEK AS ONSHORE FLOW  
STRENGTHENS AND THE MARINE LAYER DEEPENS.  
 

 
 
ECC035-301500-  
MONTE VISTA ECC DISPATCH-  
146 PM PDT WED OCT 29 2025  
 
HIGH PRESSURE ALOFT AND WEAKENING OFFSHORE FLOW WILL BRING HIGH  
TEMPERATURES AS MUCH AS 15 TO 20 DEGREES ABOVE AVERAGE TODAY FOR  
PORTIONS OF THE VALLEYS AND INLAND COASTAL AREAS. THERE WILL BE  
WEAKENING SANTA ANA WINDS ALONG AND BELOW THE COASTAL SLOPES OF THE  
MOUNTAINS THROUGH TODAY, WITH STRONGER GUSTS OF 25 TO 35 MPH. LOWEST  
HUMIDITY FOR INLAND AREAS TODAY WILL FALL TO 8 TO 12 PERCENT. A  
SHALLOW MARINE LAYER WILL CONTINUE INTO EARLY THURSDAY, THEN DEEPEN  
TO AROUND 1000 TO 1200 FEET FOR FRIDAY INTO THE WEEKEND. A RETURN  
OF ONSHORE FLOW WILL SPREAD COOLING AND HIGHER HUMIDITIES INLAND FOR  
THURSDAY AND FRIDAY, WITH HIGH TEMPERATURES ON FRIDAY 10 TO  
15 DEGREES COOLER THAN THOSE FOR TODAY FOR SOME VALLEY AND INLAND  
COASTAL AREAS. HIGH TEMPERATURES FOR THE WEEKEND WILL BE A FEW  
DEGREES WARMER, THEN COOLING FOR EARLY NEXT WEEK AS ONSHORE FLOW  
STRENGTHENS AND THE MARINE LAYER DEEPENS.  
 

 
 
ECC034-301500-  
RIVERSIDE ECC DISPATCH-  
146 PM PDT WED OCT 29 2025  
   
..DISCUSSION FROM LAXFWFSGX
 
 
HIGH PRESSURE ALOFT AND WEAKENING OFFSHORE FLOW WILL BRING HIGH  
TEMPERATURES AS MUCH AS 15 TO 20 DEGREES ABOVE AVERAGE TODAY FOR  
PORTIONS OF THE VALLEYS AND INLAND COASTAL AREAS. THERE WILL BE  
WEAKENING SANTA ANA WINDS ALONG AND BELOW THE COASTAL SLOPES OF THE  
MOUNTAINS THROUGH TODAY, WITH STRONGER GUSTS OF 25 TO 35 MPH. LOWEST  
HUMIDITY FOR INLAND AREAS TODAY WILL FALL TO 8 TO 12 PERCENT. A  
SHALLOW MARINE LAYER WILL CONTINUE INTO EARLY THURSDAY, THEN DEEPEN  
TO AROUND 1000 TO 1200 FEET FOR FRIDAY INTO THE WEEKEND. A RETURN  
OF ONSHORE FLOW WILL SPREAD COOLING AND HIGHER HUMIDITIES INLAND FOR  
THURSDAY AND FRIDAY, WITH HIGH TEMPERATURES ON FRIDAY 10 TO  
15 DEGREES COOLER THAN THOSE FOR TODAY FOR SOME VALLEY AND INLAND  
COASTAL AREAS. HIGH TEMPERATURES FOR THE WEEKEND WILL BE A FEW  
DEGREES WARMER, THEN COOLING FOR EARLY NEXT WEEK AS ONSHORE FLOW  
STRENGTHENS AND THE MARINE LAYER DEEPENS.  
 
   
..DISCUSSION FROM PHXFWFPSR
 
 
WITH TEMPERATURES REMAINING ABOVE THE SEASONAL NORMALS, DRY  
CONDITIONS WILL PREVAIL THROUGH FRIDAY. MINIMUM HUMIDITY LEVELS  
WILL FALL INTO A 10-20% RANGE FOLLOWING POOR TO FAIR OVERNIGHT  
RECOVERY OF ONLY 20-40%. WINDS SPEEDS WILL GRADUALLY WEAKEN THE  
NEXT COUPLE DAYS WITH MODEST GUSTS IN EASTERN DISTRICTS THROUGH  
THURSDAY MORNING RELAXING BY FRIDAY.  
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN  
THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
 

 
 
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