571  
FNUS86 KSGX 140912  
FWLSGX  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
212 AM PDT WED APR 14 2021  
 
ECC033-150315-  
ORANGE ECC DISPATCH-  
DISCUSSION FOR ORANGE ECC DISPATCH  
212 AM PDT WED APR 14 2021  
 
A LOW PRESSURE SYSTEM CENTERED OVER THE GREAT BASIN WILL MAINTAIN A  
DEEP MARINE LAYER AND ONSHORE FLOW WITH STRONGER AND GUST WEST  
WINDS IN THE MOUNTAINS AND DESERTS THROUGH THIS EVENING. THE MARINE  
LAYER WILL THEN BECOME SHALLOWER INTO THE WEEKEND AS HIGH PRESSURE  
ALOFT STRENGTHENS NEAR THE WEST COAST WITH A WARMING TREND FOR  
THURSDAY THROUGH SUNDAY AND MONDAY. THE LOWER LEVEL FLOW MAY GO  
OFFSHORE FOR SUNDAY INTO MONDAY WITH GUSTY NORTH TO NORTHEAST  
WINDS. HIGH PRESSURE WILL WEAKEN AND ONSHORE FLOW WILL RETURN EARLY  
NEXT WEEK BRING COOLING AND DEEPENING OF THE MARINE LAYER FOR THE  
MIDDLE OF NEXT WEEK.  
 

 
 
ECC035-150315-  
MONTE VISTA ECC DISPATCH-  
DISCUSSION FOR MONTE VISTA ECC DISPATCH  
212 AM PDT WED APR 14 2021  
 
A LOW PRESSURE SYSTEM CENTERED OVER THE GREAT BASIN WILL MAINTAIN A  
DEEP MARINE LAYER AND ONSHORE FLOW WITH STRONGER AND GUST WEST  
WINDS IN THE MOUNTAINS AND DESERTS THROUGH THIS EVENING. THE MARINE  
LAYER WILL THEN BECOME SHALLOWER INTO THE WEEKEND AS HIGH PRESSURE  
ALOFT STRENGTHENS NEAR THE WEST COAST WITH A WARMING TREND FOR  
THURSDAY THROUGH SUNDAY AND MONDAY. THE LOWER LEVEL FLOW MAY GO  
OFFSHORE FOR SUNDAY INTO MONDAY WITH GUSTY NORTH TO NORTHEAST  
WINDS. HIGH PRESSURE WILL WEAKEN AND ONSHORE FLOW WILL RETURN EARLY  
NEXT WEEK BRING COOLING AND DEEPENING OF THE MARINE LAYER FOR THE  
MIDDLE OF NEXT WEEK.  
 

 
 
ECC034-150315-  
RIVERSIDE ECC DISPATCH-  
DISCUSSION FOR RIVERSIDE ECC DISPATCH  
212 AM PDT WED APR 14 2021  
   
..DISCUSSION FROM LAXFWFSGX
 
 
A LOW PRESSURE SYSTEM CENTERED OVER THE GREAT BASIN WILL MAINTAIN A  
DEEP MARINE LAYER AND ONSHORE FLOW WITH STRONGER AND GUST WEST  
WINDS IN THE MOUNTAINS AND DESERTS THROUGH THIS EVENING. THE MARINE  
LAYER WILL THEN BECOME SHALLOWER INTO THE WEEKEND AS HIGH PRESSURE  
ALOFT STRENGTHENS NEAR THE WEST COAST WITH A WARMING TREND FOR  
THURSDAY THROUGH SUNDAY AND MONDAY. THE LOWER LEVEL FLOW MAY GO  
OFFSHORE FOR SUNDAY INTO MONDAY WITH GUSTY NORTH TO NORTHEAST  
WINDS. HIGH PRESSURE WILL WEAKEN AND ONSHORE FLOW WILL RETURN EARLY  
NEXT WEEK BRING COOLING AND DEEPENING OF THE MARINE LAYER FOR THE  
MIDDLE OF NEXT WEEK.  
   
..DISCUSSION FROM PHXFWFPSR
 
 
NEAR TO SLIGHTLY BELOW NORMAL TEMPERATURES AND DRY CONDITIONS ARE  
EXPECTED THROUGH THURSDAY. BREEZY TO LOCALLY WINDY CONDITIONS WILL  
AGAIN BE AN ISSUE TODAY WITH LINGERING BREEZINESS INTO THURSDAY.  
WIDESPREAD GUSTS IN A 20-30 MPH RANGE WILL BE COMMON THIS AFTERNOON  
WITH LOCALLY HIGHER ACROSS SOUTHEAST CA. A DRY AIRMASS WILL REMAIN  
IN PLACE RESULTING IN AFTERNOON MINIMUM HUMIDITY VALUES INTO 9-15%  
RANGE. THE INCREASED WINDS AND LOW AFTERNOON RHS WILL RESULT IN  
ELEVATED FIRE DANGER BOTH DAYS.  
 
NOTE...ADDITIONAL FIRE WEATHER FORECAST INFORMATION CAN BE FOUND IN  
THE AREA FORECAST DISCUSSION. SEE PRODUCT PHXAFDPSR.  
 

 
 
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