013  
FNUS86 KSGX 211234  
FWLSGX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
534 AM PDT TUE JUL 21 2026  
 
ECC033-220645-  
ORANGE ECC DISPATCH-  
DISCUSSION FOR ORANGE ECC DISPATCH  
534 AM PDT TUE JUL 21 2026  
 
THERE WILL BE SLOW INLAND WARMING THROUGH WEDNESDAY. THERE WILL BE  
GREATER WARMING ON THURSDAY WITH HIGH TEMPERATURES 5 TO 10 DEGREES  
ABOVE AVERAGE FOR INLAND AREAS THROUGH THE WEEKEND. THERE IS A  
SLIGHT CHANCE OF SHOWERS FOR THE MOUNTAINS ON THURSDAY AFTERNOON  
AND A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS FOR THE MOUNTAINS  
ON FRIDAY AFTERNOON. THE MARINE LAYER WILL REMAIN AROUND 1500 FEET  
DEEP.  
 

 
 
ECC035-220645-  
MONTE VISTA ECC DISPATCH-  
534 AM PDT TUE JUL 21 2026  
 
THERE WILL BE SLOW INLAND WARMING THROUGH WEDNESDAY. THERE WILL BE  
GREATER WARMING ON THURSDAY WITH HIGH TEMPERATURES 5 TO 10 DEGREES  
ABOVE AVERAGE FOR INLAND AREAS THROUGH THE WEEKEND. THERE IS A  
SLIGHT CHANCE OF SHOWERS FOR THE MOUNTAINS ON THURSDAY AFTERNOON  
AND A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS FOR THE MOUNTAINS  
ON FRIDAY AFTERNOON. THE MARINE LAYER WILL REMAIN AROUND 1500 FEET  
DEEP.  
 

 
 
ECC034-220645-  
RIVERSIDE ECC DISPATCH-  
534 AM PDT TUE JUL 21 2026  
   
..DISCUSSION FROM LAXFWFSGX
 
 
THERE WILL BE SLOW INLAND WARMING THROUGH WEDNESDAY. THERE WILL BE  
GREATER WARMING ON THURSDAY WITH HIGH TEMPERATURES 5 TO 10 DEGREES  
ABOVE AVERAGE FOR INLAND AREAS THROUGH THE WEEKEND. THERE IS A  
SLIGHT CHANCE OF SHOWERS FOR THE MOUNTAINS ON THURSDAY AFTERNOON  
AND A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS FOR THE MOUNTAINS  
ON FRIDAY AFTERNOON. THE MARINE LAYER WILL REMAIN AROUND 1500 FEET  
DEEP.  
   
..DISCUSSION FROM PHXFWFPSR
 
 
MUCH OF THE SHOWER AND THUNDERSTORM ACTIVITY WILL BE OVER THE  
ARIZONA HIGH TERRAIN TODAY WHILE GUSTY STORM OUTFLOW WINDS WILL BE  
THE MAIN CONCERN TODAY FOR THE SOUTH-CENTRAL ARIZONA LOWER DESERTS.  
CHANCES FOR SHOWERS AND STORMS WILL QUICKLY DROP OFF WEDNESDAY WITH  
LITTLE IF ANY ACTIVITY EXPECTED THURSDAY AS HOTTER AND DRIER  
CONDITIONS SETTLE INTO THE REGION. HUMIDITIES WILL REMAIN ELEVATED  
TODAY WITH MINRHS OF 30-45% ACROSS THE EASTERN DISTRICTS, WHILE THE  
WESTERN DISTRICTS WILL DIP TO 20-25%. MINRHS WILL THEN DIP TO  
15-20% ACROSS ALL OF THE LOWER DESERTS STARTING THURSDAY.  
   
..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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