431  
FNUS86 KMTR 130954  
FWLMTR  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
254 AM PDT SAT SEP 13 2025  
 
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## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
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..DISCUSSION FROM SFOFWFMTR
 
 
GRADUAL WARMING TREND STILL ON TAP INTO EARLY NEXT WEEK. MARINE  
LAYER COMPRESSION TAKES PLACE UNDER HIGH PRESSURE BY THE MIDDLE OF  
NEXT WEEK WITH DRY THERMAL BELTS FORMING ABOVE 2,500 FEET. VERY  
DRY CONDITIONS DEVELOP ACROSS INLAND AREAS NEXT WEEK A ABOVE  
AVERAGE TEMPERATURES SETTLE IN. GOOD MARINE LAYER MOISTURE  
CONTINUES WITH GOOD RECOVERY OVERNIGHT ACROSS LOWER ELEVATIONS.  
 
   
..DISCUSSION FROM SFOFWFEKA
 
 
DRY WEATHER WITH SEASONABLE AVERAGE TEMPERATURES TODAY. DIURNAL,  
TERRAIN DRIVEN WINDS FORECASTED WITH BREEZY AFTERNOON WINDS AGAIN  
TODAY. A PROGRESSIVE LOW WILL BRING A CHANCE OF SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS LATE TONIGHT THROUGH SUNDAY  
MORNING, MAINLY FOR THE COAST AND COASTAL RANGE IN DEL NORTE AND  
HUMBOLDT COUNTIES. OTHERWISE, DRY WEATHER AND SOME COOLING OF  
INTERIOR HIGH TEMPS ARE EXPECTED ON SUNDAY. GUSTY NORTHERLY WINDS  
ARE EXPECTED TO DEVELOPED OVER THE RIDGES AND COASTAL HEADLANDS  
SUNDAY AFTERNOON/EVENING, WITH AN ENHANCED WEST-NORTHWEST WINDS  
THROUGH CHANNELED TERRAIN IN THE INTERIOR. DRYING AND WARMING  
TREND RETURNS ON MONDAY AND CONTINUE THROUGH MID WEEK. DAYTIME RH  
VALUES IN THE MID 20'S TO MID TEENS, WITH THE DRIEST DAY FORECAST  
ON TUESDAY. MONDAY NIGHT INTO TUESDAY, MODERATE TO POOR OVERNIGHT  
RH RECOVERIES GENERALLY IN THE 30'S PERCENT AND BREEZY OFFSHORE  
WINDS OVER THE RIDGES ACROSS THE EASTERN PORTION OF THE FORECAST  
AREA.  
 
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## COMPLETE A DISCUSSION FOR EACH ECCDA SEGMENT BELOW ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KMTRFWLMTR ##  
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ECC010-132200-  
ST HELENA ECC DISPATCH-  
DISCUSSION FOR MARIN AND SONOMA AND NAPA COUNTIES  
254 AM PDT SAT SEP 13 2025  
 
GRADUAL WARMING TREND STILL ON TAP INTO EARLY NEXT WEEK. MARINE  
LAYER COMPRESSION TAKES PLACE UNDER HIGH PRESSURE BY THE MIDDLE OF  
NEXT WEEK WITH DRY THERMAL BELTS FORMING ABOVE 2,500 FEET. VERY  
DRY CONDITIONS DEVELOP ACROSS INLAND AREAS NEXT WEEK A ABOVE  
AVERAGE TEMPERATURES SETTLE IN. GOOD MARINE LAYER MOISTURE  
CONTINUES WITH GOOD RECOVERY OVERNIGHT ACROSS LOWER ELEVATIONS.  
 

 
 
ECC014-132200-  
MORGAN HILL ECC DISPATCH-  
DISCUSSION FOR ALAMEDA AND CONTRA COSTA AND SANTA CLARA COUNTIES  
254 AM PDT SAT SEP 13 2025  
 
GRADUAL WARMING TREND STILL ON TAP INTO EARLY NEXT WEEK. MARINE  
LAYER COMPRESSION TAKES PLACE UNDER HIGH PRESSURE BY THE MIDDLE OF  
NEXT WEEK WITH DRY THERMAL BELTS FORMING ABOVE 2,500 FEET. VERY  
DRY CONDITIONS DEVELOP ACROSS INLAND AREAS NEXT WEEK A ABOVE  
AVERAGE TEMPERATURES SETTLE IN. GOOD MARINE LAYER MOISTURE  
CONTINUES WITH GOOD RECOVERY OVERNIGHT ACROSS LOWER ELEVATIONS.  
 

 
 
ECC013-132200-  
FELTON ECC DISPATCH-  
DISCUSSION FOR SANTA CRUZ AND SAN MATEO COUNTIES  
254 AM PDT SAT SEP 13 2025  
 
GRADUAL WARMING TREND STILL ON TAP INTO EARLY NEXT WEEK. MARINE  
LAYER COMPRESSION TAKES PLACE UNDER HIGH PRESSURE BY THE MIDDLE OF  
NEXT WEEK WITH DRY THERMAL BELTS FORMING ABOVE 2,500 FEET. VERY  
DRY CONDITIONS DEVELOP ACROSS INLAND AREAS NEXT WEEK A ABOVE  
AVERAGE TEMPERATURES SETTLE IN. GOOD MARINE LAYER MOISTURE  
CONTINUES WITH GOOD RECOVERY OVERNIGHT ACROSS LOWER ELEVATIONS.  
 

 
 
ECC018-132200-  
MONTEREY ECC DISPATCH-  
DISCUSSION FOR MONTEREY AND SAN BENITO COUNTY  
254 AM PDT SAT SEP 13 2025  
 
GRADUAL WARMING TREND STILL ON TAP INTO EARLY NEXT WEEK. MARINE  
LAYER COMPRESSION TAKES PLACE UNDER HIGH PRESSURE BY THE MIDDLE OF  
NEXT WEEK WITH DRY THERMAL BELTS FORMING ABOVE 2,500 FEET. VERY  
DRY CONDITIONS DEVELOP ACROSS INLAND AREAS NEXT WEEK A ABOVE  
AVERAGE TEMPERATURES SETTLE IN. GOOD MARINE LAYER MOISTURE  
CONTINUES WITH GOOD RECOVERY OVERNIGHT ACROSS LOWER ELEVATIONS.  
 

 
 
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