220  
FNUS86 KMTR 211203  
FWLMTR  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
503 AM PDT SAT JUN 21 2025  
 
#####################################################################  
## ##  
## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
## ##  
#####################################################################  
   
..DISCUSSION FROM SFOFWFMTR  
 
ANOTHER DRY DAY WITH MODERATE TO POOR RH RECOVERY IS EXPECTED FOR  
INTERIOR LOCATIONS AND AREAS OF HIGHER ELEVATION, ESPECIALLY FOR  
THOSE ABOVE THE MARINE LAYER. WINDS WILL BE BREEZY TO GUSTY AS WELL,  
PEAKING AROUND 35 TO 45 MPH, PERHAPS LOCALLY HIGHER AT EXPOSED  
ELEVATIONS AND WIND PRONE GAPS. BREEZY TO GUSTY WINDS LOOK TO HOLD  
THROUGH SUNDAY MORNING, WITH WINDS GRADUALLY EASING THROUGHOUT THE  
DAY. THERE SHOULD BE SOME IMPROVEMENT IN HUMIDITY AS WELL,  
ESPECIALLY IF THE MARINE LAYER IS ABLE TO DEEPEN. LOOKING AHEAD,  
QUIET WEATHER IS ON TAP WITH DRY DAYS, SEASONABLE TEMPERATURES, AND  
THE RETURN OF NIGHTTIME STRATUS. TIMING AND ADVANCEMENT OF THE  
MARINE LAYER IS A BIT TRICKY THIS FAR OUT.  
 
   
..DISCUSSION FROM SFOFWFEKA  
 
COOLER TEMPERATURES ARE EXPECTED SATURDAY AFTER THE PASSING OF THE  
UPPER LEVEL TROUGH. LOW RH'S AND GUSTY WEST TO NORTHWEST WINDS  
CONTINUE INTO SATURDAY, ELEVATING LOCALLY CRITICAL FIRE WEATHER  
CONDITIONS IN LAKE AND SE MENDOCINO COUNTIES. WINDS WILL LESSEN  
SOME, BUT REMAIN GUSTY SATURDAY AFTERNOON AND EVENING WHILE MINIMUM  
RH REMAINS ON LOWER SIDE. TEMPERATURES WILL BEGIN TO RECOVER ON  
SUNDAY AS WINDS GREATLY EASE. THIS WILL BE FOLLOWED BY A WARMING  
AND DRYING TREND MONDAY THROUGH WEDNESDAY NEXT WEEK. THERE IS A  
SLIGHT CHANCE FOR A BRIEF THUNDERSTORM OVER MAINLY INTERIOR DEL  
NORTE COUNTY THIS AFTERNOON AND TONIGHT.  
 
#####################################################################  
## ##  
## COMPLETE A DISCUSSION FOR EACH ECCDA SEGMENT BELOW ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KMTRFWLMTR ##  
## ##  
#####################################################################  
 
ECC010-220015-  
ST HELENA ECC DISPATCH-  
DISCUSSION FOR MARIN AND SONOMA AND NAPA COUNTIES  
503 AM PDT SAT JUN 21 2025  
 
...ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS CONTINUE NOW  
THROUGH SATURDAY FOR THE INTERIOR NORTH BAY, WITH MODERATE TO POOR  
RH RECOVERIES AND POOR RH RETENTIONS ALONG WITH BREEZY TO GUSTY  
AFTERNOON AND EVENING WINDS...  
 
ANOTHER DRY DAY WITH MODERATE TO POOR RH RECOVERY IS EXPECTED FOR  
INTERIOR LOCATIONS AND AREAS OF HIGHER ELEVATION, ESPECIALLY FOR  
THOSE ABOVE THE MARINE LAYER. WINDS WILL BE BREEZY TO GUSTY AS WELL,  
PEAKING AROUND 35 TO 45 MPH, PERHAPS LOCALLY HIGHER AT EXPOSED  
ELEVATIONS AND WIND PRONE GAPS. BREEZY TO GUSTY WINDS LOOK TO HOLD  
THROUGH SUNDAY MORNING, WITH WINDS GRADUALLY EASING THROUGHOUT THE  
DAY. THERE SHOULD BE SOME IMPROVEMENT IN HUMIDITY AS WELL,  
ESPECIALLY IF THE MARINE LAYER IS ABLE TO DEEPEN. LOOKING AHEAD,  
QUIET WEATHER IS ON TAP WITH DRY DAYS, SEASONABLE TEMPERATURES, AND  
THE RETURN OF NIGHTTIME STRATUS. TIMING AND ADVANCEMENT OF THE  
MARINE LAYER IS A BIT TRICKY THIS FAR OUT.  
 
 
 
ECC014-220015-  
MORGAN HILL ECC DISPATCH-  
DISCUSSION FOR ALAMEDA AND CONTRA COSTA AND SANTA CLARA COUNTIES  
503 AM PDT SAT JUN 21 2025  
 
...ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS CONTINUE NOW  
THROUGH SATURDAY FOR THE EAST BAY HILLS, WITH MODERATE TO POOR  
RH RECOVERIES AND POOR RH RETENTIONS ALONG WITH BREEZY TO GUSTY  
AFTERNOON AND EVENING WINDS...  
 
ANOTHER DRY DAY WITH MODERATE TO POOR RH RECOVERY IS EXPECTED FOR  
INTERIOR LOCATIONS AND AREAS OF HIGHER ELEVATION, ESPECIALLY FOR  
THOSE ABOVE THE MARINE LAYER. WINDS WILL BE BREEZY TO GUSTY AS WELL,  
PEAKING AROUND 35 TO 45 MPH, PERHAPS LOCALLY HIGHER AT EXPOSED  
ELEVATIONS AND WIND PRONE GAPS. BREEZY TO GUSTY WINDS LOOK TO HOLD  
THROUGH SUNDAY MORNING, WITH WINDS GRADUALLY EASING THROUGHOUT THE  
DAY. THERE SHOULD BE SOME IMPROVEMENT IN HUMIDITY AS WELL,  
ESPECIALLY IF THE MARINE LAYER IS ABLE TO DEEPEN. LOOKING AHEAD,  
QUIET WEATHER IS ON TAP WITH DRY DAYS, SEASONABLE TEMPERATURES, AND  
THE RETURN OF NIGHTTIME STRATUS. TIMING AND ADVANCEMENT OF THE  
MARINE LAYER IS A BIT TRICKY THIS FAR OUT.  
 
 
 
ECC013-220015-  
FELTON ECC DISPATCH-  
DISCUSSION FOR SANTA CRUZ AND SAN MATEO COUNTIES  
503 AM PDT SAT JUN 21 2025  
 
ANOTHER DRY DAY WITH MODERATE TO POOR RH RECOVERY IS EXPECTED FOR  
INTERIOR LOCATIONS AND AREAS OF HIGHER ELEVATION, ESPECIALLY FOR  
THOSE ABOVE THE MARINE LAYER. WINDS WILL BE BREEZY TO GUSTY AS WELL,  
PEAKING AROUND 35 TO 45 MPH, PERHAPS LOCALLY HIGHER AT EXPOSED  
ELEVATIONS AND WIND PRONE GAPS. BREEZY TO GUSTY WINDS LOOK TO HOLD  
THROUGH SUNDAY MORNING, WITH WINDS GRADUALLY EASING THROUGHOUT THE  
DAY. THERE SHOULD BE SOME IMPROVEMENT IN HUMIDITY AS WELL,  
ESPECIALLY IF THE MARINE LAYER IS ABLE TO DEEPEN. LOOKING AHEAD,  
QUIET WEATHER IS ON TAP WITH DRY DAYS, SEASONABLE TEMPERATURES, AND  
THE RETURN OF NIGHTTIME STRATUS. TIMING AND ADVANCEMENT OF THE  
MARINE LAYER IS A BIT TRICKY THIS FAR OUT.  
 
 
 
ECC018-220015-  
MONTEREY ECC DISPATCH-  
DISCUSSION FOR MONTEREY AND SAN BENITO COUNTY  
503 AM PDT SAT JUN 21 2025  
 
...ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS CONTINUE NOW  
THROUGH SATURDAY FOR THE INTERIOR CENTRAL COAST, WITH MODERATE TO POOR  
RH RECOVERIES AND POOR RH RETENTIONS ALONG WITH BREEZY TO GUSTY  
AFTERNOON AND EVENING WINDS...  
 
ANOTHER DRY DAY WITH MODERATE TO POOR RH RECOVERY IS EXPECTED FOR  
INTERIOR LOCATIONS AND AREAS OF HIGHER ELEVATION, ESPECIALLY FOR  
THOSE ABOVE THE MARINE LAYER. WINDS WILL BE BREEZY TO GUSTY AS WELL,  
PEAKING AROUND 35 TO 45 MPH, PERHAPS LOCALLY HIGHER AT EXPOSED  
ELEVATIONS AND WIND PRONE GAPS. BREEZY TO GUSTY WINDS LOOK TO HOLD  
THROUGH SUNDAY MORNING, WITH WINDS GRADUALLY EASING THROUGHOUT THE  
DAY. THERE SHOULD BE SOME IMPROVEMENT IN HUMIDITY AS WELL,  
ESPECIALLY IF THE MARINE LAYER IS ABLE TO DEEPEN. LOOKING AHEAD,  
QUIET WEATHER IS ON TAP WITH DRY DAYS, SEASONABLE TEMPERATURES, AND  
THE RETURN OF NIGHTTIME STRATUS. TIMING AND ADVANCEMENT OF THE  
MARINE LAYER IS A BIT TRICKY THIS FAR OUT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab CA Page
Main Text Page