875  
FNUS86 KSGX 131050  
FWLSGX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
350 AM PDT FRI MAR 13 2026  
 
ECC033-140500-  
ORANGE ECC DISPATCH-  
DISCUSSION FOR ORANGE ECC DISPATCH  
350 AM PDT FRI MAR 13 2026  
 
RECORD HEAT WILL CONTINUE FOR INLAND AREAS TODAY WITH LOWEST  
HUMIDITY OF 10 TO 15 PERCENT. FOR SATURDAY, ONSHORE FLOW WILL  
SPREAD COOLING AND HIGHER COASTAL HUMIDITY INLAND TO THE COASTAL  
SLOPES OF THE MOUNTAINS. HOWEVER, WEST WINDS WILL GUST TO 40 TO 40  
MPH FOR THE DESERTS ONTO THE DESERT SLOPES OF THE MOUNTAINS.  
THOSE WINDS COMBINED WITH LOWEST DAYTIME HUMIDITY AROUND 10  
PERCENT WILL BRING NEAR CRITICAL FIRE WEATHER CONDITIONS DURING  
SATURDAY AFTERNOON. FOR NEXT WEEK, STRENGTHENING HIGH PRESSURE  
ALOFT WILL BRING ALL-TIME RECORD HEAT FOR MARCH TO INLAND AREAS  
WITH LOWEST HUMIDITY FALLING TO 10 TO 15 PERCENT EACH DAY.  
 

 
 
ECC035-140500-  
MONTE VISTA ECC DISPATCH-  
350 AM PDT FRI MAR 13 2026  
 
RECORD HEAT WILL CONTINUE FOR INLAND AREAS TODAY WITH LOWEST  
HUMIDITY OF 10 TO 15 PERCENT. FOR SATURDAY, ONSHORE FLOW WILL  
SPREAD COOLING AND HIGHER COASTAL HUMIDITY INLAND TO THE COASTAL  
SLOPES OF THE MOUNTAINS. HOWEVER, WEST WINDS WILL GUST TO 40 TO 40  
MPH FOR THE DESERTS ONTO THE DESERT SLOPES OF THE MOUNTAINS.  
THOSE WINDS COMBINED WITH LOWEST DAYTIME HUMIDITY AROUND 10  
PERCENT WILL BRING NEAR CRITICAL FIRE WEATHER CONDITIONS DURING  
SATURDAY AFTERNOON. FOR NEXT WEEK, STRENGTHENING HIGH PRESSURE  
ALOFT WILL BRING ALL-TIME RECORD HEAT FOR MARCH TO INLAND AREAS  
WITH LOWEST HUMIDITY FALLING TO 10 TO 15 PERCENT EACH DAY.  
 

 
 
ECC034-140500-  
RIVERSIDE ECC DISPATCH-  
350 AM PDT FRI MAR 13 2026  
   
..DISCUSSION FROM LAXFWFSGX
 
 
RECORD HEAT WILL CONTINUE FOR INLAND AREAS TODAY WITH LOWEST  
HUMIDITY OF 10 TO 15 PERCENT. FOR SATURDAY, ONSHORE FLOW WILL  
SPREAD COOLING AND HIGHER COASTAL HUMIDITY INLAND TO THE COASTAL  
SLOPES OF THE MOUNTAINS. HOWEVER, WEST WINDS WILL GUST TO 40 TO 40  
MPH FOR THE DESERTS ONTO THE DESERT SLOPES OF THE MOUNTAINS.  
THOSE WINDS COMBINED WITH LOWEST DAYTIME HUMIDITY AROUND 10  
PERCENT WILL BRING NEAR CRITICAL FIRE WEATHER CONDITIONS DURING  
SATURDAY AFTERNOON. FOR NEXT WEEK, STRENGTHENING HIGH PRESSURE  
ALOFT WILL BRING ALL-TIME RECORD HEAT FOR MARCH TO INLAND AREAS  
WITH LOWEST HUMIDITY FALLING TO 10 TO 15 PERCENT EACH DAY.  
   
..DISCUSSION FROM PHXFWFPSR
 
 
HIGH PRESSURE WILL DOMINATE ACROSS THE REGION THROUGH NEXT WEEK  
WITH TEMPERATURES AROUND 15 DEGREES ABOVE NORMAL THROUGH THE WEEKEND  
BEFORE HEATING UP EVEN FURTHER (20-30 ABOVE NORMAL) LATER NEXT WEEK.  
DRY CONDITIONS WILL ALSO PREVAIL WITH MINRHS AT OR JUST BELOW 10%  
AND PERSISTING THROUGH NEXT WEEK. OVERNIGHT RECOVERIES WILL BE POOR  
TO FAIR, MOSTLY BETWEEN 25-40% EACH NIGHT. WINDS WILL REMAIN LIGHT  
TODAY BEFORE BECOMING INCREASINGLY BREEZY THIS WEEKEND.  
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN  
THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
 

 
 
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