431  
FNUS86 KSGX 240929  
FWLSGX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
229 AM PDT TUE MAR 24 2026  
 
ECC033-250330-  
ORANGE ECC DISPATCH-  
DISCUSSION FOR ORANGE ECC DISPATCH  
229 AM PDT TUE MAR 24 2026  
 
TEMPERATURES WILL REMAIN WELL ABOVE AVERAGE THIS WEEK WITH LOWEST  
DAYTIME HUMIDITY FOR THE DESERTS FALLING TO AROUND 10 PERCENT AND  
TO 10 TO 15 PERCENT ON THE DESERT SLOPES OF THE MOUNTAINS.  
SOUTHWEST TO WEST WINDS EACH AFTERNOON AND EVENING FOR THE DESERTS  
ONTO THE DESERT SLOPES OF THE MOUNTAINS WILL GUST TO 25 TO 35  
MPH. THE MARINE LAYER AND WEAK ONSHORE FLOW WILL KEEP COASTAL  
AREAS COOLER WITH HIGHER HUMIDITY. FOR SUNDAY INTO EARLY NEXT  
WEEK, ONSHORE FLOW WILL STRENGTHEN AND SPREAD COOLING AND HIGHER  
COASTAL HUMIDITY INLAND THOUGH WITH TUESDAY HIGH TEMPERATURES  
STILL 5 TO 10 DEGREES ABOVE AVERAGE.  
 
 
 
ECC035-250330-  
MONTE VISTA ECC DISPATCH-  
229 AM PDT TUE MAR 24 2026  
 
TEMPERATURES WILL REMAIN WELL ABOVE AVERAGE THIS WEEK WITH LOWEST  
DAYTIME HUMIDITY FOR THE DESERTS FALLING TO AROUND 10 PERCENT AND  
TO 10 TO 15 PERCENT ON THE DESERT SLOPES OF THE MOUNTAINS.  
SOUTHWEST TO WEST WINDS EACH AFTERNOON AND EVENING FOR THE DESERTS  
ONTO THE DESERT SLOPES OF THE MOUNTAINS WILL GUST TO 25 TO 35  
MPH. THE MARINE LAYER AND WEAK ONSHORE FLOW WILL KEEP COASTAL  
AREAS COOLER WITH HIGHER HUMIDITY. FOR SUNDAY INTO EARLY NEXT  
WEEK, ONSHORE FLOW WILL STRENGTHEN AND SPREAD COOLING AND HIGHER  
COASTAL HUMIDITY INLAND THOUGH WITH TUESDAY HIGH TEMPERATURES  
STILL 5 TO 10 DEGREES ABOVE AVERAGE.  
 
 
 
ECC034-250330-  
RIVERSIDE ECC DISPATCH-  
229 AM PDT TUE MAR 24 2026  
   
..DISCUSSION FROM LAXFWFSGX  
 
TEMPERATURES WILL REMAIN WELL ABOVE AVERAGE THIS WEEK WITH LOWEST  
DAYTIME HUMIDITY FOR THE DESERTS FALLING TO AROUND 10 PERCENT AND  
TO 10 TO 15 PERCENT ON THE DESERT SLOPES OF THE MOUNTAINS.  
SOUTHWEST TO WEST WINDS EACH AFTERNOON AND EVENING FOR THE DESERTS  
ONTO THE DESERT SLOPES OF THE MOUNTAINS WILL GUST TO 25 TO 35  
MPH. THE MARINE LAYER AND WEAK ONSHORE FLOW WILL KEEP COASTAL  
AREAS COOLER WITH HIGHER HUMIDITY. FOR SUNDAY INTO EARLY NEXT  
WEEK, ONSHORE FLOW WILL STRENGTHEN AND SPREAD COOLING AND HIGHER  
COASTAL HUMIDITY INLAND THOUGH WITH TUESDAY HIGH TEMPERATURES  
STILL 5 TO 10 DEGREES ABOVE AVERAGE.  
   
..DISCUSSION FROM PHXFWFPSR  
 
DRY WEATHER WITH RECORD BREAKING HIGH TEMPERATURES WILL CONTINUE  
THROUGH THURSDAY. AFTERNOON RH VALUES WILL RANGE BETWEEN 5-10% FOR  
THE EASTERN DISTRICTS, WITH VALUES CLOSER TO 15-20% FOR THE WESTERN  
DISTRICTS. THE FORMER OF THOSE RANGES WILL BECOME MORE WIDESPREAD  
BY THURSDAY. OVERNIGHT RECOVERY WILL RANGE WIDELY FROM POOR 20%  
VALUES IN PARTS OF SOUTH-CENTRAL ARIZONA TO A GOOD 60% THRESHOLD  
ACROSS PARTS OF SE CALIFORNIA. VALUES BETWEEN 20-40% WILL BECOME  
MORE COMMON THURSDAY MORNING. WINDS WILL BE GENERALLY LIGHT WITH  
TYPICAL AFTERNOON UPSLOPE BREEZINESS OF 20-25 MPH.  
   
..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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