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Berkeley, United States
Click any image to view larger versionPast Weather Alerts
5 of 117Cold Weather Advisory
* WHAT...Cold conditions with temperatures as low as 33 expected. Slightly warmer conditions will be...
Cold Weather Advisory
* WHAT...Cold conditions with temperatures as low as 33 expected. Colder temperatures as low as 27 d...
Cold Weather Advisory
* WHAT...Cold conditions with temperatures in the low-to-mid 30s expected. * WHERE...The Marin Hill...
Extreme Cold Warning
* WHAT...Very cold conditions with sub-freezing temperatures in the mid-20s to low-30s expected. * ...
High Surf Advisory
* WHAT...Large breaking waves of 18 to 22 feet, with continuing increased risk of sneaker waves and ...
Past Weather Alerts for Berkeley
Cold Weather Advisory
* WHAT...Cold conditions with temperatures as low as 33 expected. Slightly warmer conditions will be found across portions of the northern Salinas Valley and Carmel Valley where low temperatures range from 36 to 40 degrees. * WHERE...The Santa Clara Valley, North Bay Interior Valleys and Mountains, East Bay Interior Valleys, and Northern Salinas Valley and Hollister Valley. * WHEN...From 1 AM to 9 AM PST Saturday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken.
Cold Weather Advisory
* WHAT...Cold conditions with temperatures as low as 33 expected. Colder temperatures as low as 27 degrees for elevations above 2500 feet. * WHERE...East Bay Hills. * WHEN...From 1 AM to 9 AM PST Saturday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken.
Cold Weather Advisory
* WHAT...Cold conditions with temperatures in the low-to-mid 30s expected. * WHERE...The Marin Hills, Western Sonoma County Hills, Northern Monterey Bay, The Santa Cruz Mountains, The Santa Clara Valley, Coastal North Bay Including Point Reyes National Seashore, San Francisco Bay Shoreline, and Northern Salinas Valley/Hollister Valley and Carmel Valley. * WHEN...From 1 AM to 9 AM PST Friday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken.
Extreme Cold Warning
* WHAT...Very cold conditions with sub-freezing temperatures in the mid-20s to low-30s expected. * WHERE...The East Bay Hills and Valleys, Interior Monterey County and the Santa Lucia Range, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, North Bay Interior Valleys, Eastern Santa Clara Hills, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...From 1 AM to 9 AM PST Friday. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock.
High Surf Advisory
* WHAT...Large breaking waves of 18 to 22 feet, with continuing increased risk of sneaker waves and strong rip currents. * WHERE...Pacific Coast beaches. * WHEN...Until 9 AM PST Friday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion can be expected. Sneaker waves can sweep across the shoreline without warning, pulling people into the sea from rocks, jetties and beaches. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning.
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Western Alameda County in northern California... * Until 600 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 301 AM PST, Doppler radar indicated heavy rain. Minor flooding is already occurring in the advisory area. - Some locations that will experience flooding include... Oakland, Fremont, Hayward, Berkeley, Richmond, San Leandro, Alameda, Union City, Newark, San Lorenzo, Castro Valley, Albany, Piedmont, Emeryville, Ashland and Cherryland. - http://www.weather.gov/safety/flood
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Marin County in northern California... * Until 600 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 257 AM PST, Doppler radar indicated heavy rain. Minor flooding is already occurring in the advisory area. - Some locations that will experience flooding include... San Rafael, Novato, Mill Valley, San Anselmo, Larkspur, Corte Madera, Tiburon, Fairfax, Sausalito, San Geronimo, Lucas Valley-Marinwood, Stinson Beach, Kentfield, Black Point-Green Point, Point Reyes Station, Muir Beach, Tamalpais-Homestead, Tamalpais-Homestead Valley, Strawberry and Ross. - http://www.weather.gov/safety/flood
Beach Hazards Statement
* WHAT...Long period westerly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 19 feet can be expected. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties. * WHEN...From Wednesday evening through Friday morning. * IMPACTS...Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves.
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Sacramento Valley, Southern Sacramento Valley, and Northern San Joaquin Valley. * WHEN...From 10 PM this evening to 11 AM PST Tuesday. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Carquinez Strait and Delta, Central Sacramento Valley, Northern San Joaquin Valley, and Southern Sacramento Valley. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Low visibility could make driving conditions hazardous during the evening commute and the Saturday morning commute. * ADDITIONAL DETAILS...Dangerous driving conditions with visibilities lower than 500 feet at times.
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Central Sacramento Valley, Northern San Joaquin Valley, and Southern Sacramento Valley. * WHEN...Until noon PST today. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Carquinez Strait and Delta, Central and Southern Sacramento Valley, and Northern San Joaquin Valley. * WHEN...Until noon PST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Carquinez Strait and Delta, Central Sacramento Valley, Northern San Joaquin Valley, and Southern Sacramento Valley. * WHEN...Until noon PST today. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Carquinez Strait and Delta, Central and Southern Sacramento Valley, and Northern San Joaquin Valley. * WHEN...Until noon PST Monday. * IMPACTS...Low visibility could make driving conditions hazardous.
Extreme Cold Watch
* WHAT...Very cold conditions with temperatures in the low to mid 30s possible except for Interior Monterey and San Benito Counties where temperatures in the upper 20s are possible. * WHERE...The East Bay and San Francisco Bay Shoreline, The Central Coast, The Santa Clara Valley and Eastern Hills, The Salinas and Carmel Valleys and Hollister Area, The Marin Hills, The Santa Cruz Mountains, and North Bay Interior Valleys. * WHEN...From late Thursday night through Friday morning. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock.
High Surf Advisory
* WHAT...Large breaking waves up to 22 feet, strong rip currents and sneaker waves. * WHERE...Pacific Coast from Sonoma county to Monterey county, excluding Northern Monterey Bay. * WHEN...From 1 AM Thursday to 10 PM PST Friday. * IMPACTS...There is an increased risk for sneaker waves, strong rip currents, and beach erosion. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning.
Extreme Cold Watch
* WHAT...Very cold conditions with temperatures in the low to mid 30s possible except for Interior Monterey and San Benito Counties where temperatures in the upper 20s are possible. * WHERE...The East Bay and San Francisco Bay Shoreline, The Central Coast, The Santa Clara Valley and Eastern Hills, The Salinas and Carmel Valleys and Hollister Area, The Marin Hills, The Santa Cruz Mountains, and North Bay Interior Valleys. * WHEN...From late Thursday night through Friday morning. * IMPACTS...Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold conditions may damage or kill sensitive crops, plants, and vegetation if appropriate precautions are not taken. Prolonged exposure to the cold conditions will lead to hypothermia for people, pets, and livestock.
High Surf Advisory
* WHAT...Large breaking waves up to 22 feet, strong rip currents and sneaker waves. * WHERE...Pacific Coast from Sonoma county to Monterey county, excluding Northern Monterey Bay. * WHEN...From 1 AM to 3 PM PST Thursday. * IMPACTS...There is an increased risk for sneaker waves, strong rip currents, and beach erosion. Large breaking waves can overpower swimmers resulting in significant physical injury and increase the risk of drowning.
Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be possible. Additional rainfall of 0.75 to 3 inches is expected below 4000 ft, highest amounts expected over Shasta County and the foothills. * WHERE...A portion of northern California, including the following areas, Central Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast Foothills/Sacramento Valley, Northern Sacramento Valley, Shasta Lake Area / Northern Shasta County and Southern Sacramento Valley. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
Coastal Flood Advisory
* WHAT...Up to 1.2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. * WHERE...Parts of San Francisco adjacent to San Francisco Bay. * WHEN...Until 3 PM PST Monday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...Up to 1.2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. * WHERE...Areas adjacent to the San Francisco and San Pablo Bays. * WHEN...Until 3 PM PST Monday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Flood Watch
* WHAT...Flooding caused by excessive rainfall continues to be possible. Additional rainfall of 1 to 3 inches is expected below 4000 ft, highest in the foothills. * WHERE...A portion of northern California below 4000 feet in elevation, including the following areas, Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast foothills, and Shasta Lake Area / Northern Shasta County. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
Flood Watch
An Atmospheric River Event will bring moderate to heavy rain this weekend through Monday evening. The prolonged period of rain will bring the risk of flooding to the Sacramento Valley, Shasta County, northern Sierra Nevada and adjacent foothills, as well as the Coastal Range. This will be for elevations below 4000 feet. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of northern California below 4000 feet in elevation, including the following areas, Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast foothills, and Shasta Lake Area / Northern Shasta County. * WHEN...Through Monday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
Coastal Flood Advisory
* WHAT...Up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. * WHERE...Areas adjacent to the San Francisco and San Pablo Bays. * WHEN...Until 3 PM PST Monday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...Up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. * WHERE...Areas adjacent to the San Francisco and San Pablo Bays. * WHEN...Until 2 PM PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...San Francisco. * WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday. For the Beach Hazards Statement, from 6 AM PST this morning through this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...San Francisco. * WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday. For the Beach Hazards Statement, from 6 AM PST this morning through this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Flood Advisory
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southeastern Napa County in northern California... Southeastern Sonoma County in northern California... * Until 600 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 331 AM PST, Doppler radar indicated heavy rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Napa. - http://www.weather.gov/safety/flood
Flood Advisory
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Northwestern San Mateo County in northern California... * Until 500 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 330 AM PST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Francisco, San Mateo, South San Francisco, San Bruno, Pacifica, Burlingame, Millbrae, Half Moon Bay, Hillsborough, El Granada, Highlands-Baywood Park, Brisbane, Montara and Moss Beach. - http://www.weather.gov/safety/flood
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Western Alameda County in northern California... Central Contra Costa County in northern California... * Until 500 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 205 AM PST, Doppler radar indicated heavy rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Oakland, Fremont, Hayward, Concord, Berkeley, Richmond, San Leandro, Mountain View, Alameda, San Ramon, Pleasanton, Union City, Walnut Creek, Pittsburg, Dublin, Danville, Martinez, Pleasant Hill, San Pablo and Lafayette. - http://www.weather.gov/safety/flood
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...San Francisco. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Coastal Flood Advisory
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...San Francisco. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central San Mateo County in northern California... * Until 500 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 201 AM PST, Doppler radar indicated heavy rain. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Mateo, Redwood City, Menlo Park, Foster City, San Carlos, Belmont, Half Moon Bay, Hillsborough, Atherton, Woodside, Highlands-Baywood Park, North Fair Oaks, Portola Valley, Emerald Lake Hills, West Menlo Park and Highlands. - http://www.weather.gov/safety/flood
Beach Hazards Statement
* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation above ground level is possible in low-lying near shorelines and tidal waterways. For the Beach Hazards Statement, long period northwesterly swell will result in strong rip currents, sneaker waves, and breaking waves of up to 20 feet can be expected. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous conditions are forecast along the shoreline. Hazards include sneaker waves, strong rip currents, and large breaking waves. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1 foot of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Flood Advisory
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern San Mateo County in northern California... West Central Santa Clara County in northern California... Central Santa Cruz County in northern California... * Until 445 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 138 AM PST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts up to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Jose, Palo Alto, Santa Cruz, Cupertino, Campbell, Saratoga, Los Gatos, Corralitos, Scotts Valley, Boulder Creek, Ben Lomond, Felton, Aptos, Eureka Canyon Road, Uvas Canyon Park, Brown Valley Road, Portola Valley, Monte Sereno, Lexington Hills and Day Valley. - http://www.weather.gov/safety/flood
Flood Watch
An Atmospheric River Event will bring moderate to heavy rain this evening through Monday evening. The prolonged period of rain will bring the risk of flooding to the Sacramento Valley, Shasta County, northern Sierra Nevada and adjacent foothills, as well as the Coastal Range. This will be for elevations below 4000 feet. * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...A portion of northern California below 4000 feet in elevation, including the following areas, Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast Foothills, and Shasta Lake Area / Northern Shasta County. * WHEN...From this evening through Monday afternoon. * IMPACTS...Excessive runoff will result in rises along area rivers, creeks, streams. Small streams and creeks may rise out of their banks. Flooding may occur in low-lying, poor drainage, and urban areas. Mudslides and rockslides may occur in mountain and foothill areas. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
Flood Advisory
* WHAT...Urban area and small stream flooding caused by recent rainfall across the region. * WHERE...Northwestern Marin County in northern California... Southeastern Sonoma County in northern California... * Until 400 PM PST Saturday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. River or stream flows are elevated. * ADDITIONAL DETAILS... - At 932 AM PST, Runoff from recent rainfall is causing urban and small stream flooding. Overflowing poor drainage areas have already caused minor flooding in the advisory area. Mark West Creek, Colgan Creek, Wiggins Creek, and Santa Rosa Creek are in action and/or minor flood stage. Additionally, law enforcement has reported flooding in and around Valley Ford. - Some locations that will experience flooding include... Santa Rosa, Petaluma, Rohnert Park, Windsor, Sebastopol, Cotati, Tomales, Dillon Beach, Point Reyes Station, South Santa Rosa Cdp, Roseland, Forestville, Inverness, Occidental, South Santa Rosa, Graton and Bodega Bay. - http://www.weather.gov/safety/flood
Beach Hazards Statement
* WHAT...Up to 2.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Pacific Coast from Sonoma County to Monterey County including the Monterey Bay. * WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Flooding of lots, parks, and roads with some road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1.3 feet of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Beach Hazards Statement
* WHAT...For the Coastal Flood Warning, significant coastal flooding expected due to high astronomical tides and storm surge. Up to 2.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways during the morning high tide Saturday. For the Coastal Flood Advisory, up to 2.0 ft inundation is possible. * WHERE...San Francisco. * WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday. For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST Sunday. For the Beach Hazards Statement, from Sunday morning through Sunday evening. * IMPACTS...Numerous roads will be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1.3 feet of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.