040  
FNUS86 KMTR 201139  
FWLMTR  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
439 AM PDT WED AUG 20 2025  
 
#####################################################################  
## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
#####################################################################  
   
..DISCUSSION FROM SFOFWFMTR  
 
BUILDING HIGH PRESSURE WILL BRING HOT AND DRY CONDITIONS TO THE  
DISTRICT THROUGH THE WEEKEND. THERMAL BELTS WILL BE ACTIVE WITH MILD  
AND DRY CONDITIONS AT NIGHT IN THE HILLS. DAILY AFTERNOON SEA  
BREEZES WILL BRING PERIODS OF ELEVATED FIRE WEATHER CONDITIONS THAT  
COINCIDE WITH HOT AND DRY CONDITIONS. MONSOON MOISTURE WILL MOVE IN  
FROM THE SOUTH BEGINNING FRIDAY BRINGING HIGHER HUMIDITY TO THE  
REGION. WILL NEED TO MONITOR FOR INCREASING CLOUDS AND VERY LOW  
CHANCE OF HIGH BASED CONVECTION.  
 
   
..DISCUSSION FROM SFOFWFEKA  
 
HOT AND VERY DRY WEATHER WILL BEGIN TO QUICKLY BUILD ACROSS THE  
INTERIOR TODAY. BY THURSDAY, HIGHS WILL GENERALLY REACH ABOVE 100 IN  
THE HOTTEST VALLEYS WITH RH IN THE LOW TEENS OR EVEN SINGLE DIGITS.  
OVERNIGHT RECOVERIES WILL BECOME INCREASINGLY POOR AT MID AND UPPER  
ELEVATIONS. MARINE INFLUENCE WILL BECOME INCREASINGLY SHALLOW AND  
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 AFTERNOON INTO  
EARLY NEXT WEEK.  
 
#####################################################################  
## ##  
## COMPLETE A DISCUSSION FOR EACH ECCDA SEGMENT BELOW ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KMTRFWLMTR ##  
## ##  
#####################################################################  
 
ECC010-202345-  
ST HELENA ECC DISPATCH-  
DISCUSSION FOR MARIN AND SONOMA AND NAPA COUNTIES  
439 AM PDT WED AUG 20 2025  
 
BUILDING HIGH PRESSURE WILL BRING HOT AND DRY CONDITIONS TO THE  
DISTRICT THROUGH THE WEEKEND. THERMAL BELTS WILL BE ACTIVE WITH MILD  
AND DRY CONDITIONS AT NIGHT IN THE HILLS. DAILY AFTERNOON SEA  
BREEZES WILL BRING PERIODS OF ELEVATED FIRE WEATHER CONDITIONS THAT  
COINCIDE WITH HOT AND DRY CONDITIONS. MONSOON MOISTURE WILL MOVE IN  
FROM THE SOUTH BEGINNING FRIDAY BRINGING HIGHER HUMIDITY TO THE  
REGION. WILL NEED TO MONITOR FOR INCREASING CLOUDS AND VERY LOW  
CHANCE OF HIGH BASED CONVECTION.  
 
 
 
ECC014-202345-  
MORGAN HILL ECC DISPATCH-  
DISCUSSION FOR ALAMEDA AND CONTRA COSTA AND SANTA CLARA COUNTIES  
439 AM PDT WED AUG 20 2025  
 
BUILDING HIGH PRESSURE WILL BRING HOT AND DRY CONDITIONS TO THE  
DISTRICT THROUGH THE WEEKEND. THERMAL BELTS WILL BE ACTIVE WITH MILD  
AND DRY CONDITIONS AT NIGHT IN THE HILLS. DAILY AFTERNOON SEA  
BREEZES WILL BRING PERIODS OF ELEVATED FIRE WEATHER CONDITIONS THAT  
COINCIDE WITH HOT AND DRY CONDITIONS. MONSOON MOISTURE WILL MOVE IN  
FROM THE SOUTH BEGINNING FRIDAY BRINGING HIGHER HUMIDITY TO THE  
REGION. WILL NEED TO MONITOR FOR INCREASING CLOUDS AND VERY LOW  
CHANCE OF HIGH BASED CONVECTION.  
 
 
 
ECC013-202345-  
FELTON ECC DISPATCH-  
DISCUSSION FOR SANTA CRUZ AND SAN MATEO COUNTIES  
439 AM PDT WED AUG 20 2025  
 
BUILDING HIGH PRESSURE WILL BRING HOT AND DRY CONDITIONS TO THE  
DISTRICT THROUGH THE WEEKEND. THERMAL BELTS WILL BE ACTIVE WITH MILD  
AND DRY CONDITIONS AT NIGHT IN THE HILLS. DAILY AFTERNOON SEA  
BREEZES WILL BRING PERIODS OF ELEVATED FIRE WEATHER CONDITIONS THAT  
COINCIDE WITH HOT AND DRY CONDITIONS. MONSOON MOISTURE WILL MOVE IN  
FROM THE SOUTH BEGINNING FRIDAY BRINGING HIGHER HUMIDITY TO THE  
REGION. WILL NEED TO MONITOR FOR INCREASING CLOUDS AND VERY LOW  
CHANCE OF HIGH BASED CONVECTION.  
 
 
 
ECC018-202345-  
MONTEREY ECC DISPATCH-  
DISCUSSION FOR MONTEREY AND SAN BENITO COUNTY  
439 AM PDT WED AUG 20 2025  
 
BUILDING HIGH PRESSURE WILL BRING HOT AND DRY CONDITIONS TO THE  
DISTRICT THROUGH THE WEEKEND. THERMAL BELTS WILL BE ACTIVE WITH MILD  
AND DRY CONDITIONS AT NIGHT IN THE HILLS. DAILY AFTERNOON SEA  
BREEZES WILL BRING PERIODS OF ELEVATED FIRE WEATHER CONDITIONS THAT  
COINCIDE WITH HOT AND DRY CONDITIONS. MONSOON MOISTURE WILL MOVE IN  
FROM THE SOUTH BEGINNING FRIDAY BRINGING HIGHER HUMIDITY TO THE  
REGION. WILL NEED TO MONITOR FOR INCREASING CLOUDS AND VERY LOW  
CHANCE OF HIGH BASED CONVECTION.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab CA Page
Main Text Page