DENSE FOG ADVISORY,
UNTIL 9 AM (5/8) THIS MORNING

Visibility one quarter mile or less in dense fog.

WHERE: North SF Bay Interior Valleys. #California

IMPACTS: Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS: If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

#Fog #FogAdvisory #CAwx #CaliforniaWeather #SFBay #NorCalWx

https://forecast.weather.gov/showsigwx.php?warnzone=CAZ506&warncounty=CAC055&firewxzone=CAZ506&local_place1=Napa%20CA&product1=Dense+Fog+Advisory&lat=38.2991&lon=-122.2854

WWA Summary by Location for 38.3N 122.29W with CAZ506/CAC055/CAZ506 emphasis Dense Fog Advisory

DENSE FOG ADVISORY
UNTIL 9 AM PDT THIS MORNING (4/21).

Visibility less than one mile in dense fog.

WHERE: North SF Bay Interior Valleys. #California

IMPACTS: Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS: If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

#Fog #FogAdvisory #CAwx #CaliforniaWeather #SFBay #NorCalWx

More notes from the live chat by Weather West (Dr. Daniel Swain) on the chaos being wrought upon the National Weather Service:

Dept of Commerce terminated an agreement with a university regarding weather/climate research stated "this cooperative agreement promotes exaggerated climate threats...promoting anxiety..."

A doc from the White House states that the proposed close the NOAA office that does and funds research on weather and oceanographic. NASA is targeted for larger cuts regarding planetary research. Many cooperative research centers will be closed. Proposed is the canceling the partnership between NASA and NOAA, which would end weather satellite updates.

#weathter #ExtremeWeather #WeatherForecasts #NOAA #NWS #DOGE #CAwx #CaliforniaWeather #NorCalWx

At 4 PM (on 4/14/25) Weather West (Dr. Daniel Swain) is discussing the impacts of the destruction of the National Oceanographic Atmospheric Association and the National Weather Service.

#CAwx #CaliforniaWeather #NOAA #NWW #WeatherForecasts #ExtremeWeather #NorCalWx #Weather

https://www.youtube.com/watch?v=mbtfWD5vaTo

Weather & climate office hour 04/14/2025: Dismantling of NOAA, NASA, & climate research accelerates

YouTube

...FROST ADVISORY, IN EFECT UNTIL 9 AM PDT THIS MORNING (3/18)
...FROST ADVISORY, IN EFFECT FROM 2 AM TO 9 AM WEDNESDAY (3/19) .

WHAT: For the first Frost Advisory, temps as low as 30 F will result in frost. For the second Frost Advisory, temps as low as 36 F will result in frost.

WHERE: North SF Bay Interior Mountains & North Bay Interior Valleys. #California

IMPACTS: Cold will be hazardous to sensitive populations such as unhoused individuals. Cold conditions can lead to hypothermia with prolonged exposure.

PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants from the cold. Be sure to cover or tend to sensitive plants and vegetation as they may be damaged by frost.

#FrostAdvisory #SFBay #California #CaliforniaWeather #CAwx #NorCalWx

https://forecast.weather.gov/showsigwx.php?warnzone=CAZ506&warncounty=CAC055&firewxzone=CAZ506&local_place1=Napa%20CA&product1=Frost+Advisory&lat=38.2991&lon=-122.2854

WWA Summary by Location for 38.3N 122.29W with CAZ506/CAC055/CAZ506 emphasis Frost Advisory

FROST ADVISORY,
FROM 2 AM TO 9 AM TUESDAY (3/17)

Temps as low as 32 F will result in frost formation.

WHERE: North SF Bay Interior Valleys. #California

IMPACTS: Cold will be hazardous to sensitive populations such as unhoused individuals. Cold conditions can lead to hypothermia with prolonged exposure.

PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants from the cold.

#CAwx #CaliforniaWeather #SFBay #NorCalWx #Frost #FrostAdvisory

https://forecast.weather.gov/showsigwx.php?warnzone=CAZ506&warncounty=CAC055&firewxzone=CAZ506&local_place1=Napa%20CA&product1=Frost+Advisory&lat=38.2991&lon=-122.2854

WWA Summary by Location for 38.3N 122.29W with CAZ506/CAC055/CAZ506 emphasis Frost Advisory

WIND ADVISORY,
FROM 11 AM THIS MORNING (3/16) TO 11 PM THIS EVENING

South winds 15 to 25 mph with gusts up to 45 mph expected.

WHERE: Coastal North SF Bay Including #PointReyes National Seashore & North Bay Interior Valleys. #California

IMPACTS: Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS: Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Secure loose outdoor objects that could be blown around or damaged by the wind.

#CaliforniaWeather #CAwx #SFBay #NorCalWx

https://forecast.weather.gov/showsigwx.php?warnzone=CAZ506&warncounty=CAC055&firewxzone=CAZ506&local_place1=Napa%20CA&product1=Wind+Advisory&lat=38.2991&lon=-122.2854

WWA Summary by Location for 38.3N 122.29W with CAZ506/CAC055/CAZ506 emphasis Wind Advisory

WIND ADVISORY,
FROM 8 AM THIS MORNING (3/12) TO 8 PM THIS EVENING

South winds 20 to 30 mph with gusts up to 55 mph expected.

WHERE: The SF Bay Area & #California Central Coast.

IMPACTS: Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS: Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

Secure loose outdoor objects that could be blown around or damaged
by the wind.

#WindAdvisory #CAwx #CaliforniaWeather #SFBay #NorCalWx

https://forecast.weather.gov/showsigwx.php?warnzone=CAZ506&warncounty=CAC055&firewxzone=CAZ506&local_place1=Napa%20CA&product1=Wind+Advisory&lat=38.2991&lon=-122.2854

WWA Summary by Location for 38.3N 122.29W with CAZ506/CAC055/CAZ506 emphasis Wind Advisory

FROST ADVISORY,
FROM 1 AM TO 9 AM FRIDAY (3/7)

Temp as low as 32 F will result in frost.
Temps in the higher elevations may drop down to as low as 28 F.

WHERE: Interior #Monterey County & #SantaLucia Range, #SanBenito County & #Cholame Hills in southeast Monterey
County, North SF Bay Interior Valleys, Eastern #SantaClara Hills, East Bay Hills & southern #Salinas Valley/Arroyo Seco and Lake San Antonio. #California

MPACTS: Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions can lead to hypothermia with prolonged exposure.

PRECAUTIONARY/PREPAREDNESS ACTIONS: Take steps now to protect tender plants from the cold.

#FrostAdvisory #SFBay #CAwx #CaliforniaWeather #NorCalWX

https://forecast.weather.gov/showsigwx.php?warnzone=CAZ506&warncounty=CAC055&firewxzone=CAZ506&local_place1=Napa%20CA&product1=Frost+Advisory&lat=38.2991&lon=-122.2854

WWA Summary by Location for 38.3N 122.29W with CAZ506/CAC055/CAZ506 emphasis Frost Advisory

DENSE FOG ADVISORY,
UNTIL 9 AM THIS MORNING (2/25)

Visibility quarter mile or less in dense fog.

WHERE: Coastal North SF Bay Including #PointReyes National Seashore, East Bay Interior Valleys, North SF Bay Interior Valleys, #SanFrancisco & San Francisco Bay Shoreline. #SFBay #California

IMPACTS: Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS: If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

If commuting, allow extra drive time to reach your destination
safely.

#CAwx #CaliforniaWeather #NorCalWx

https://forecast.weather.gov/showsigwx.php?warnzone=CAZ506&warncounty=CAC055&firewxzone=CAZ506&local_place1=Napa%20CA&product1=Dense+Fog+Advisory&lat=38.2991&lon=-122.2854

WWA Summary by Location for 38.3N 122.29W with CAZ506/CAC055/CAZ506 emphasis Dense Fog Advisory