949  
FNUS86 KMTR 211157  
FWLMTR  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
457 AM PDT THU AUG 21 2025  
 
#####################################################################  
## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
#####################################################################  
   
..DISCUSSION FROM SFOFWFMTR
 
 
HIGH PRESSURE OVER THE DISTRICT WILL BRING HOT AND DRY CONDITIONS TO  
THE DISTRICT LASTING INTO THE WEEKEND. WINDS WILL BE BREEZY EACH  
AFTERNOON WITH THE SEA BREEZE PUSH. LITTLE TO NO RELIEF IS EXPECTED  
AT NIGHT WITH ACTIVE THERMAL BELTS. MONSOONAL MOISTURE TRACKING IN  
FROM THE SOUTH WILL BRING A VERY LOW CHANCE FOR HIGH BASED  
CONVECTION FRIDAY AND SATURDAY, ESPECIALLY THE CENTRAL COAST.  
 
   
..DISCUSSION FROM SFOFWFEKA
 
 
HOT AND VERY DRY WEATHER WILL CONTINUE TO RAPIDLY BUILD TODAY. HIGHS  
WILL PEAK AROUND FRIDAY WITH THE HOTTEST VALLEYS REACHING OVER  
110 WITH EXCEPTIONALLY DRY RH IN THE SINGLE DIGITS. OVERNIGHT  
RECOVERIES WILL ALSO BECOME INCREASINGLY POOR AT MID AND UPPER  
ELEVATIONS. MARINE INFLUENCE WILL SHALLOW AND BECOME RESTRICTED TO  
THE COAST. SIMILAR HOT AND DRY CONDITIONS WILL CONTINUE THROUGH THE  
WEEKEND. THERE IS A VERY SLIGHT CHANCE OF DRY THUNDERSTORMS OVER  
HIGH INTERIOR TERRAIN BY SUNDAY, BUT CHANCES FOR THUNDERSTORMS  
INCREASE EARLY NEXT WEEK.  
 
#####################################################################  
## ##  
## COMPLETE A DISCUSSION FOR EACH ECCDA SEGMENT BELOW ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KMTRFWLMTR ##  
## ##  
#####################################################################  
 
ECC010-220000-  
ST HELENA ECC DISPATCH-  
DISCUSSION FOR MARIN AND SONOMA AND NAPA COUNTIES  
457 AM PDT THU AUG 21 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS THURSDAY THROUGH THE WEEKEND  
DUE TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...  
 
HIGH PRESSURE OVER THE DISTRICT WILL BRING HOT AND DRY CONDITIONS TO  
THE DISTRICT LASTING INTO THE WEEKEND. WINDS WILL BE BREEZY EACH  
AFTERNOON WITH THE SEA BREEZE PUSH. LITTLE TO NO RELIEF IS EXPECTED  
AT NIGHT WITH ACTIVE THERMAL BELTS. MONSOONAL MOISTURE TRACKING IN  
FROM THE SOUTH WILL BRING A VERY LOW CHANCE FOR HIGH BASED  
CONVECTION FRIDAY AND SATURDAY, ESPECIALLY THE CENTRAL COAST.  
 

 
 
ECC014-220000-  
MORGAN HILL ECC DISPATCH-  
DISCUSSION FOR ALAMEDA AND CONTRA COSTA AND SANTA CLARA COUNTIES  
457 AM PDT THU AUG 21 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS THURSDAY THROUGH THE WEEKEND  
DUE TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...  
 
HIGH PRESSURE OVER THE DISTRICT WILL BRING HOT AND DRY CONDITIONS TO  
THE DISTRICT LASTING INTO THE WEEKEND. WINDS WILL BE BREEZY EACH  
AFTERNOON WITH THE SEA BREEZE PUSH. LITTLE TO NO RELIEF IS EXPECTED  
AT NIGHT WITH ACTIVE THERMAL BELTS. MONSOONAL MOISTURE TRACKING IN  
FROM THE SOUTH WILL BRING A VERY LOW CHANCE FOR HIGH BASED  
CONVECTION FRIDAY AND SATURDAY, ESPECIALLY THE CENTRAL COAST.  
 

 
 
ECC013-220000-  
FELTON ECC DISPATCH-  
DISCUSSION FOR SANTA CRUZ AND SAN MATEO COUNTIES  
457 AM PDT THU AUG 21 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS THURSDAY THROUGH THE WEEKEND  
DUE TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...  
 
HIGH PRESSURE OVER THE DISTRICT WILL BRING HOT AND DRY CONDITIONS TO  
THE DISTRICT LASTING INTO THE WEEKEND. WINDS WILL BE BREEZY EACH  
AFTERNOON WITH THE SEA BREEZE PUSH. LITTLE TO NO RELIEF IS EXPECTED  
AT NIGHT WITH ACTIVE THERMAL BELTS. MONSOONAL MOISTURE TRACKING IN  
FROM THE SOUTH WILL BRING A VERY LOW CHANCE FOR HIGH BASED  
CONVECTION FRIDAY AND SATURDAY, ESPECIALLY THE CENTRAL COAST.  
 

 
 
ECC018-220000-  
MONTEREY ECC DISPATCH-  
DISCUSSION FOR MONTEREY AND SAN BENITO COUNTY  
457 AM PDT THU AUG 21 2025  
 
...ELEVATED FIRE WEATHER CONDITIONS THURSDAY THROUGH THE WEEKEND  
DUE TO HOT AND DRY CONDITIONS AND AFTERNOON WINDS...  
 
HIGH PRESSURE OVER THE DISTRICT WILL BRING HOT AND DRY CONDITIONS TO  
THE DISTRICT LASTING INTO THE WEEKEND. WINDS WILL BE BREEZY EACH  
AFTERNOON WITH THE SEA BREEZE PUSH. LITTLE TO NO RELIEF IS EXPECTED  
AT NIGHT WITH ACTIVE THERMAL BELTS. MONSOONAL MOISTURE TRACKING IN  
FROM THE SOUTH WILL BRING A VERY LOW CHANCE FOR HIGH BASED  
CONVECTION FRIDAY AND SATURDAY, ESPECIALLY THE CENTRAL COAST.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CA Page Main Text Page