180  
FNUS86 KMTR 202238  
FWLMTR  
 
ECCDA DISCUSSIONS  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
238 PM PST WED NOV 20 2024  
 
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## DISCUSSIONS FROM THE LATEST FWF BELOW ##  
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..DISCUSSION FROM SFOFWFMTR
 
 
A DEEP SUBTROPICAL WATER VAPOR AND MOISTURE TAP I.E. STRONG  
ATMOSPHERIC RIVER ATTACHED TO A NEARLY STATIONARY LOW PRESSURE  
SYSTEM CENTERED NEAR THE PACIFIC NORTHWEST WILL CONTINUE TO BRING  
MODERATE TO HEAVY RAIN TO THE NORTH BAY TONIGHT INTO FRIDAY. AREAS  
OF STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE ACROSS THE  
DISTRICT, ESPECIALLY AT ELEVATION IN THE HILLTOPS AND MOUNTAINTOPS.  
THE ATMOSPHERIC RIVER IS ALSO NEARLY STATIONARY AND IT'S FORECAST  
TO MOVE EASTWARD ONLY UNTIL AFTER SECONDARY (RAPID) LOW PRESSURE  
DEVELOPMENT OCCURS OVER THE NORTHEAST PACIFIC THURSDAY INTO FRIDAY.  
THE SECONDARY DEVELOPMENT WILL PUSH FORWARD A COLD FRONT AND  
WETTING RAIN FARTHER SOUTH AND EAST ACROSS THE REST OF THE DISTRICT  
FRIDAY. A FEW SHOWERS LINGER SATURDAY, MORE WIDESPREAD WET WEATHER  
RETURNS SUNDAY. UNSETTLED WET WEATHER MAY CONTINUE INTO EARLY TO MID  
NEXT WEEK.  
 
   
..DISCUSSION FROM SFOFWFEKA
 
 
STRONG SOUTHERLIES SWEEP SOUTHWARD TODAY AS AN ATMOSPHERIC RIVER  
MOVES OVER NWRN CA, PAUSING OVER LAKE COUNTY LATE THIS MORNING THEN  
MOVING BACK TO THE NORTH TONIGHT AND THURSDAY. RAIN AND STRONG  
SOUTHERLIES FOLLOW THIS FEATURE SOUTH THIS MORNING, WITH WINDS  
WEAKENING TODAY ACROSS MOST OF THE AREA. MORE INTENSE RAIN AND  
ANOTHER ROUND OF WIND IS EXPECTED AS THIS FEATURE TRACKS BACK  
NORTHWARD TONIGHT AND THURSDAY. HEAVY SNOW IS EXPECTED IN NE  
TRINITY COUNTY THIS MORNING, WITH SNOW LEVELS FORECAST TO SLOWLY  
RISE THROUGH THE DAY.  
 
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## COMPLETE A DISCUSSION FOR EACH ECCDA SEGMENT BELOW ##  
## WHEN DONE CLICK TRANSMIT, PRODUCT SENT AS KMTRFWLMTR ##  
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ECC010-211045-  
ST HELENA ECC DISPATCH-  
DISCUSSION FOR MARIN AND SONOMA AND NAPA COUNTIES  
238 PM PST WED NOV 20 2024  
 
A DEEP SUBTROPICAL WATER VAPOR AND MOISTURE TAP I.E. STRONG  
ATMOSPHERIC RIVER ATTACHED TO A NEARLY STATIONARY LOW PRESSURE  
SYSTEM CENTERED NEAR THE PACIFIC NORTHWEST WILL CONTINUE TO BRING  
MODERATE TO HEAVY RAIN TO THE NORTH BAY TONIGHT INTO FRIDAY. AREAS  
OF STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE ACROSS THE  
DISTRICT, ESPECIALLY AT ELEVATION IN THE HILLTOPS AND MOUNTAINTOPS.  
THE ATMOSPHERIC RIVER IS ALSO NEARLY STATIONARY AND IT'S FORECAST  
TO MOVE EASTWARD ONLY UNTIL AFTER SECONDARY (RAPID) LOW PRESSURE  
DEVELOPMENT OCCURS OVER THE NORTHEAST PACIFIC THURSDAY INTO FRIDAY.  
THE SECONDARY DEVELOPMENT WILL PUSH FORWARD A COLD FRONT AND  
WETTING RAIN FARTHER SOUTH AND EAST ACROSS THE REST OF THE DISTRICT  
FRIDAY. A FEW SHOWERS LINGER SATURDAY, MORE WIDESPREAD WET WEATHER  
RETURNS SUNDAY. UNSETTLED WET WEATHER MAY CONTINUE INTO EARLY TO MID  
NEXT WEEK.  
 

 
 
ECC014-211045-  
MORGAN HILL ECC DISPATCH-  
DISCUSSION FOR ALAMEDA AND CONTRA COSTA AND SANTA CLARA COUNTIES  
238 PM PST WED NOV 20 2024  
 
A DEEP SUBTROPICAL WATER VAPOR AND MOISTURE TAP I.E. STRONG  
ATMOSPHERIC RIVER ATTACHED TO A NEARLY STATIONARY LOW PRESSURE  
SYSTEM CENTERED NEAR THE PACIFIC NORTHWEST WILL CONTINUE TO BRING  
MODERATE TO HEAVY RAIN TO THE NORTH BAY TONIGHT INTO FRIDAY. AREAS  
OF STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE ACROSS THE  
DISTRICT, ESPECIALLY AT ELEVATION IN THE HILLTOPS AND MOUNTAINTOPS.  
THE ATMOSPHERIC RIVER IS ALSO NEARLY STATIONARY AND IT'S FORECAST  
TO MOVE EASTWARD ONLY UNTIL AFTER SECONDARY (RAPID) LOW PRESSURE  
DEVELOPMENT OCCURS OVER THE NORTHEAST PACIFIC THURSDAY INTO FRIDAY.  
THE SECONDARY DEVELOPMENT WILL PUSH FORWARD A COLD FRONT AND  
WETTING RAIN FARTHER SOUTH AND EAST ACROSS THE REST OF THE DISTRICT  
FRIDAY. A FEW SHOWERS LINGER SATURDAY, MORE WIDESPREAD WET WEATHER  
RETURNS SUNDAY. UNSETTLED WET WEATHER MAY CONTINUE INTO EARLY TO MID  
NEXT WEEK.  
 

 
 
ECC013-211045-  
FELTON ECC DISPATCH-  
DISCUSSION FOR SANTA CRUZ AND SAN MATEO COUNTIES  
238 PM PST WED NOV 20 2024  
 
A DEEP SUBTROPICAL WATER VAPOR AND MOISTURE TAP I.E. STRONG  
ATMOSPHERIC RIVER ATTACHED TO A NEARLY STATIONARY LOW PRESSURE  
SYSTEM CENTERED NEAR THE PACIFIC NORTHWEST WILL CONTINUE TO BRING  
MODERATE TO HEAVY RAIN TO THE NORTH BAY TONIGHT INTO FRIDAY. AREAS  
OF STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE ACROSS THE  
DISTRICT, ESPECIALLY AT ELEVATION IN THE HILLTOPS AND MOUNTAINTOPS.  
THE ATMOSPHERIC RIVER IS ALSO NEARLY STATIONARY AND IT'S FORECAST  
TO MOVE EASTWARD ONLY UNTIL AFTER SECONDARY (RAPID) LOW PRESSURE  
DEVELOPMENT OCCURS OVER THE NORTHEAST PACIFIC THURSDAY INTO FRIDAY.  
THE SECONDARY DEVELOPMENT WILL PUSH FORWARD A COLD FRONT AND  
WETTING RAIN FARTHER SOUTH AND EAST ACROSS THE REST OF THE DISTRICT  
FRIDAY. A FEW SHOWERS LINGER SATURDAY, MORE WIDESPREAD WET WEATHER  
RETURNS SUNDAY. UNSETTLED WET WEATHER MAY CONTINUE INTO EARLY TO MID  
NEXT WEEK.  
 

 
 
ECC018-211045-  
MONTEREY ECC DISPATCH-  
DISCUSSION FOR MONTEREY AND SAN BENITO COUNTY  
238 PM PST WED NOV 20 2024  
 
A DEEP SUBTROPICAL WATER VAPOR AND MOISTURE TAP I.E. STRONG  
ATMOSPHERIC RIVER ATTACHED TO A NEARLY STATIONARY LOW PRESSURE  
SYSTEM CENTERED NEAR THE PACIFIC NORTHWEST WILL CONTINUE TO BRING  
MODERATE TO HEAVY RAIN TO THE NORTH BAY TONIGHT INTO FRIDAY. AREAS  
OF STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE ACROSS THE  
DISTRICT, ESPECIALLY AT ELEVATION IN THE HILLTOPS AND MOUNTAINTOPS.  
THE ATMOSPHERIC RIVER IS ALSO NEARLY STATIONARY AND IT'S FORECAST  
TO MOVE EASTWARD ONLY UNTIL AFTER SECONDARY (RAPID) LOW PRESSURE  
DEVELOPMENT OCCURS OVER THE NORTHEAST PACIFIC THURSDAY INTO FRIDAY.  
THE SECONDARY DEVELOPMENT WILL PUSH FORWARD A COLD FRONT AND  
WETTING RAIN FARTHER SOUTH AND EAST ACROSS THE REST OF THE DISTRICT  
FRIDAY. A FEW SHOWERS LINGER SATURDAY, MORE WIDESPREAD WET WEATHER  
RETURNS SUNDAY. UNSETTLED WET WEATHER MAY CONTINUE INTO EARLY TO MID  
NEXT WEEK.  
 

 
 
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