548
FNUS86 KMTR 222109
FWLMTR
ECCDA DISCUSSIONS
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
209 PM PDT TUE SEP 22 2026
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##
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..DISCUSSION FROM SFOFWFMTR
WILL TRANSITION TO WARMER AND DRIER CONDITIONS TONIGHT THAT WILL
PERSIST WEDNESDAY AND THURSDAY, WITH ANOTHER COOLING TREND FRIDAY
INTO THE WEEKEND. EXPECT POOR OVERNIGHT RECOVERIES TONIGHT THROUGH
FRIDAY MORNING, AWAY FROM THE MARINE LAYER INFLUENCE ACROSS THE
INTERIOR AND ABOVE THE MARINE LAYER CLOSER TO THE COASTLINE FOR
LOCATIONS ABOVE 2000FT.
..DISCUSSION FROM SFOFWFEKA
HIGH PRESSURE OVER THE WEST COAST WILL KEEP INTERIOR VALLEYS WARM
AND DRY THROUGH WEDNESDAY. DAYTIME TEMPERATURES IN THE INLAND
VALLEYS WILL REACH THE MID-80S TO LOWER 90S, WHILE AFTERNOON
RELATIVE HUMIDITY DROPS TO BETWEEN 15 AND 25 PERCENT. WINDS WILL
FOLLOW TYPICAL DAILY PATTERNS, BLOWING GENTLE AND UP-VALLEY DURING
THE AFTERNOONS BEFORE TURNING LIGHT AND DOWNSLOPE OVERNIGHT.
RIDGETOP WINDS MAY SEE BREEZIER WESTERLIES IN THE AFTERNOONS AND
EASTERLIES OVERNIGHT. A WEAK COLD FRONT ARRIVING LATE THURSDAY INTO
FRIDAY WILL BRING COOLER TEMPERATURES ALONG WITH A SEVENTY TO NINETY
PERCENT CHANCE OF LIGHT RAIN ACROSS DEL NORTE AND NORTHERN HUMBOLDT
COUNTIES, WHILE AREAS TO THE SOUTH REMAIN MOSTLY DRY.
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## COMPLETE A DISCUSSION FOR EACH ECCDA SEGMENT BELOW ##
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KMTRFWLMTR ##
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ECC010-230915-
ST HELENA ECC DISPATCH-
DISCUSSION FOR MARIN AND SONOMA AND NAPA COUNTIES
209 PM PDT TUE SEP 22 2026
WILL TRANSITION TO WARMER AND DRIER CONDITIONS TONIGHT THAT WILL
PERSIST WEDNESDAY AND THURSDAY, WITH ANOTHER COOLING TREND FRIDAY
INTO THE WEEKEND. EXPECT POOR OVERNIGHT RECOVERIES TONIGHT THROUGH
FRIDAY MORNING, AWAY FROM THE MARINE LAYER INFLUENCE ACROSS THE
INTERIOR AND ABOVE THE MARINE LAYER CLOSER TO THE COASTLINE FOR
LOCATIONS ABOVE 2000FT.
ECC014-230915-
MORGAN HILL ECC DISPATCH-
DISCUSSION FOR ALAMEDA AND CONTRA COSTA AND SANTA CLARA COUNTIES
209 PM PDT TUE SEP 22 2026
WILL TRANSITION TO WARMER AND DRIER CONDITIONS TONIGHT THAT WILL
PERSIST WEDNESDAY AND THURSDAY, WITH ANOTHER COOLING TREND FRIDAY
INTO THE WEEKEND. EXPECT POOR OVERNIGHT RECOVERIES TONIGHT THROUGH
FRIDAY MORNING, AWAY FROM THE MARINE LAYER INFLUENCE ACROSS THE
INTERIOR AND ABOVE THE MARINE LAYER CLOSER TO THE COASTLINE FOR
LOCATIONS ABOVE 2000FT.
ECC013-230915-
FELTON ECC DISPATCH-
DISCUSSION FOR SANTA CRUZ AND SAN MATEO COUNTIES
209 PM PDT TUE SEP 22 2026
WILL TRANSITION TO WARMER AND DRIER CONDITIONS TONIGHT THAT WILL
PERSIST WEDNESDAY AND THURSDAY, WITH ANOTHER COOLING TREND FRIDAY
INTO THE WEEKEND. EXPECT POOR OVERNIGHT RECOVERIES TONIGHT THROUGH
FRIDAY MORNING, AWAY FROM THE MARINE LAYER INFLUENCE ACROSS THE
INTERIOR AND ABOVE THE MARINE LAYER CLOSER TO THE COASTLINE FOR
LOCATIONS ABOVE 2000FT.
ECC018-230915-
MONTEREY ECC DISPATCH-
DISCUSSION FOR MONTEREY AND SAN BENITO COUNTY
209 PM PDT TUE SEP 22 2026
WILL TRANSITION TO WARMER AND DRIER CONDITIONS TONIGHT THAT WILL
PERSIST WEDNESDAY AND THURSDAY, WITH ANOTHER COOLING TREND FRIDAY
INTO THE WEEKEND. EXPECT POOR OVERNIGHT RECOVERIES TONIGHT THROUGH
FRIDAY MORNING, AWAY FROM THE MARINE LAYER INFLUENCE ACROSS THE
INTERIOR AND ABOVE THE MARINE LAYER CLOSER TO THE COASTLINE FOR
LOCATIONS ABOVE 2000FT.
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