493  
FNUS86 KMTR 161932  
FWLMTR  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1232 PM PDT WED SEP 16 2026  
 
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
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..DISCUSSION FROM SFOFWFMTR  
 
COOL CONDITIONS CONTINUE ACROSS THE REGION DUE TO A CUT-OFF LOW  
PRESSURE SYSTEM. THIS SYSTEM WILL ALSO BRING STRONG WESTERLY WINDS  
THROUGH FAVORED GAPS AND PASSES THIS EVENING. THE MARINE LAYER IS  
2,500 FEET DEEP AND WILL CONTINUE TO EXPAND OVER THE NEXT  
12-24 HOURS. THERE IS A GOOD CHANCE FOR COASTAL DRIZZLE THURSDAY  
MORNING, BUT VIRTUALLY NO CHANCE OF WETTING RAIN. COOL AND HUMID  
CONDITIONS CONTINUE THURSDAY, BUT WITH MUCH CALMER WIND. A GRADUAL  
WARMING TREND ON FRIDAY WILL BRING TEMPERATURES BACK TO NORMAL OVER  
THE WEEKEND.  
 
   
..DISCUSSION FROM SFOFWFEKA  
 
THIS AFTERNOON AN UPPER LOW HAS THE POTENTIAL TO BRING A FEW  
THUNDERSTORMS TO TRINITY COUNTY AND NORTHEASTERN MENDOCINO COUNTY.  
THESE MAY ALSO SPREAD INTO NORTHERN HUMBOLDT AND DEL NORTE COUNTIES.  
THIS WILL ALSO BRING SLIGHTLY COOLER TEMPERATURES AND HIGHER RH. A  
FEW SHOWERS OR THUNDERSTORMS ARE POSSIBLE AGAIN ON THURSDAY IN  
TRINITY COUNTY AS WELL. WARM AND DRY WEATHER IS EXPECTED TO RETURN  
FRIDAY AND SATURDAY.  
 
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## COMPLETE A DISCUSSION FOR EACH ECCDA SEGMENT BELOW ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KMTRFWLMTR ##  
## ##  
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ECC010-170745-  
ST HELENA ECC DISPATCH-  
DISCUSSION FOR MARIN AND SONOMA AND NAPA COUNTIES  
1232 PM PDT WED SEP 16 2026  
 
COOL CONDITIONS CONTINUE ACROSS THE REGION DUE TO A CUT-OFF LOW  
PRESSURE SYSTEM. THIS SYSTEM WILL ALSO BRING STRONG WESTERLY WINDS  
THROUGH FAVORED GAPS AND PASSES THIS EVENING. THE MARINE LAYER IS  
2,500 FEET DEEP AND WILL CONTINUE TO EXPAND OVER THE NEXT  
12-24 HOURS. THERE IS A GOOD CHANCE FOR COASTAL DRIZZLE THURSDAY  
MORNING, BUT VIRTUALLY NO CHANCE OF WETTING RAIN. COOL AND HUMID  
CONDITIONS CONTINUE THURSDAY, BUT WITH MUCH CALMER WIND. A GRADUAL  
WARMING TREND ON FRIDAY WILL BRING TEMPERATURES BACK TO NORMAL OVER  
THE WEEKEND.  
 
 
 
ECC014-170745-  
MORGAN HILL ECC DISPATCH-  
DISCUSSION FOR ALAMEDA AND CONTRA COSTA AND SANTA CLARA COUNTIES  
1232 PM PDT WED SEP 16 2026  
 
COOL CONDITIONS CONTINUE ACROSS THE REGION DUE TO A CUT-OFF LOW  
PRESSURE SYSTEM. THIS SYSTEM WILL ALSO BRING STRONG WESTERLY WINDS  
THROUGH FAVORED GAPS AND PASSES THIS EVENING. THE MARINE LAYER IS  
2,500 FEET DEEP AND WILL CONTINUE TO EXPAND OVER THE NEXT  
12-24 HOURS. THERE IS A GOOD CHANCE FOR COASTAL DRIZZLE THURSDAY  
MORNING, BUT VIRTUALLY NO CHANCE OF WETTING RAIN. COOL AND HUMID  
CONDITIONS CONTINUE THURSDAY, BUT WITH MUCH CALMER WIND. A GRADUAL  
WARMING TREND ON FRIDAY WILL BRING TEMPERATURES BACK TO NORMAL OVER  
THE WEEKEND.  
 
 
 
ECC013-170745-  
FELTON ECC DISPATCH-  
DISCUSSION FOR SANTA CRUZ AND SAN MATEO COUNTIES  
1232 PM PDT WED SEP 16 2026  
 
COOL CONDITIONS CONTINUE ACROSS THE REGION DUE TO A CUT-OFF LOW  
PRESSURE SYSTEM. THIS SYSTEM WILL ALSO BRING STRONG WESTERLY WINDS  
THROUGH FAVORED GAPS AND PASSES THIS EVENING. THE MARINE LAYER IS  
2,500 FEET DEEP AND WILL CONTINUE TO EXPAND OVER THE NEXT  
12-24 HOURS. THERE IS A GOOD CHANCE FOR COASTAL DRIZZLE THURSDAY  
MORNING, BUT VIRTUALLY NO CHANCE OF WETTING RAIN. COOL AND HUMID  
CONDITIONS CONTINUE THURSDAY, BUT WITH MUCH CALMER WIND. A GRADUAL  
WARMING TREND ON FRIDAY WILL BRING TEMPERATURES BACK TO NORMAL OVER  
THE WEEKEND.  
 
 
 
ECC018-170745-  
MONTEREY ECC DISPATCH-  
DISCUSSION FOR MONTEREY AND SAN BENITO COUNTY  
1232 PM PDT WED SEP 16 2026  
 
COOL CONDITIONS CONTINUE ACROSS THE REGION DUE TO A CUT-OFF LOW  
PRESSURE SYSTEM. THIS SYSTEM WILL ALSO BRING STRONG WESTERLY WINDS  
THROUGH FAVORED GAPS AND PASSES THIS EVENING. THE MARINE LAYER IS  
2,500 FEET DEEP AND WILL CONTINUE TO EXPAND OVER THE NEXT  
12-24 HOURS. THERE IS A GOOD CHANCE FOR COASTAL DRIZZLE THURSDAY  
MORNING, BUT VIRTUALLY NO CHANCE OF WETTING RAIN. COOL AND HUMID  
CONDITIONS CONTINUE THURSDAY, BUT WITH MUCH CALMER WIND. A GRADUAL  
WARMING TREND ON FRIDAY WILL BRING TEMPERATURES BACK TO NORMAL OVER  
THE WEEKEND.  
 
 
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