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NOAA's National Weather Service
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WARNINGS - WATCHES - ADVISORIES - STATEMENTS
Updates every 15 Minutes
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FLOOD WARNING | ||
Sonoma County | ||
Effective: Fri, 11/22 8:32am | Severity: Severe | |
Updated: November 22, 2024 11:45 am | Urgency: Immediate | |
Expires: Fri, 11/22 8:45pm | Certainty: Observed | |
Areas Affected: Sonoma, CA | ||
Alert
Details:
...The Flood Warning is extended for the following rivers in California... Russian River at Johnsons Beach at Guerneville affecting Sonoma County. .Minor flood stage is now expected to arrive this afternoon or evening. For the Russian River...including Johnsons Beach at Guerneville... Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Russian River at Johnsons Beach at Guerneville. * WHEN...From this afternoon until further notice. * IMPACTS...At 34.0 feet, In Guerneville flooding begins at Johnsons Resort, Parkers Resort, Creekside Resort and Riverside Park. In Northwood lower Redwood Drive begins to flood. * ADDITIONAL DETAILS... - At 8:00 AM PST Friday the stage was 28.6 feet. - Bankfull stage is 32.0 feet. - Forecast...The river is expected to rise above flood stage this evening and continue rising to a crest of 34.2 feet late tonight. - Flood stage is 32.0 feet. - Flood History...This crest compares to a previous crest of 34.2 feet on 12/25/1983. - http://www.weather.gov/safety/flood Information: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Additional information is available at www.weather.gov. The next statement will be issued this evening at 845 PM PST. |
FLOOD WARNING | ||
Sonoma County | ||
Effective: Thu, 11/21 10:47pm | Severity: Severe | |
Updated: November 22, 2024 11:45 am | Urgency: Immediate | |
Expires: Fri, 11/22 4:00pm | Certainty: Likely | |
Areas Affected: Sonoma, CA | ||
Alert
Details:
* WHAT...Urban areas and small streams flooding caused by excessive rainfall continues. * WHERE...East central Sonoma County. * WHEN...Until 400 PM PST Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 1046 PM PST, Doppler radar and automated rain gauges indicated an area of very heavy rainfall across the warned area. Flooding is already occurring along Sonoma Creek at Kenwood and Agua Caliente with additional rises possible. Between 4 and 8 inches of rain have fallen. Water levels may fall during breaks in the rain but rise quickly after the rain resumes. - Additional rainfall amounts of 2 to 4 inches are possible in the warned area. - Some locations that will experience flooding include... Sonoma, Boyes Hot Springs, Eldridge, Glen Ellen, Fetters Hot Springs-Agua Caliente, Fetters Hot Spring, El Verano and Temelec. - http://www.weather.gov/safety/flood Information: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. |
FLOOD WARNING | ||
Sonoma County | ||
Effective: Thu, 11/21 10:46pm | Severity: Severe | |
Updated: November 22, 2024 11:45 am | Urgency: Immediate | |
Expires: Fri, 11/22 4:00pm | Certainty: Likely | |
Areas Affected: Sonoma, CA | ||
Alert
Details:
* WHAT...Urban areas and small streams flooding caused by excessive rainfall continues. * WHERE...Central Sonoma County. * WHEN...Until 400 PM PST Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 1045 PM PST, Doppler radar and automated rain gauges indicated an area of very heavy rainfall across the warned area. Between 4 and 18 inches of rain have fallen. Minor to moderate flooding is occuring at Green Valley Creek at Martinelli, Mark West Creek near Mirabel Heights, Maacama Creek near Kellogg, Santa Rosa Creek at Willowside, Colgan Creek near Sebastopol, Laguna de Santa Rosa near Stony Point, and Copeland Creek at Rohnert Park. Additional rises will be possible across the warned area. Water levels may fall during breaks in the rain but rise quickly after the rain resumes. - Additional rainfall amounts of 1 to 4 inches are possible in the warned area. - Some locations that will experience flooding include... Santa Rosa, Rohnert Park, Windsor, Healdsburg, Sebastopol, Cotati, Larkfield-Wikiup, Roseland, South Santa Rosa Cdp, Forestville, Guerneville, Graton and South Santa Rosa. - http://www.weather.gov/safety/flood Information: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. |
FLOOD ADVISORY | ||
Sonoma County | ||
Effective: Fri, 11/22 9:35am | Severity: Minor | |
Updated: November 22, 2024 11:45 am | Urgency: Expected | |
Expires: Sat, 11/23 3:15am | Certainty: Likely | |
Areas Affected: Marin, CA - Napa, CA - Sonoma, CA | ||
Alert
Details:
* WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...A portion of northern California, including the following counties, Marin, Napa and Sonoma. * WHEN...Until 315 AM PST Saturday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 935 AM PST, Doppler radar and automated rain gauges indicated heavy rain. This is causing urban and small stream flooding. Between 5 and 22 inches of rain have fallen. - Additional rainfall amounts of 1 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Santa Rosa, Napa, Petaluma, San Rafael, Novato, Rohnert Park, Windsor, American Canyon, Mill Valley, San Anselmo, Larkspur, Healdsburg, Sonoma, Corte Madera, Tiburon, Cloverdale, Fairfax, Sebastopol, Cotati and Sausalito. - http://www.weather.gov/safety/flood Information: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. |
WIND ADVISORY | ||
Sonoma County | ||
Effective: Fri, 11/22 6:51am | Severity: Moderate | |
Updated: November 22, 2024 11:45 am | Urgency: Expected | |
Expires: Fri, 11/22 3:00pm | Certainty: Likely | |
Areas Affected: San Francisco - Marin Coastal Range - Sonoma Coastal Range - North Bay Interior Mountains - Coastal North Bay Including Point Reyes National Seashore - San Francisco Peninsula Coast - Santa Cruz Mountains - Eastern Santa Clara Hills - East Bay Hills - Santa Lucia Mountains and Los Padres National Forest - Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park - Southern Monterey Bay and Big Sur Coast | ||
Alert
Details:
* WHAT...South winds 15 to 30 mph with gusts up to 50 mph expected, locally higher gusts greater than 65 mph are possible above 2,500 feet. * WHERE...Coastal and higher elevation regions of the North Bay, the city of San Francisco, the East Bay and Santa Clara Hills, Santa Cruz Mountains and San Mateo, the Gabilan Range, the Santa Lucia Range, southern Monterey Bay, and coastal Big Sur. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. The combination of wind and moist soils will increase the risk for downed trees particularly across the North Bay. * ADDITIONAL DETAILS...A narrow frontal rain band will move through the Bay Area and Central Coast today which will result in gusty south winds ahead of and during its passage. Winds will start to ease overnight after the frontal rain band has progressed out of the region. Moderate to heavy rains over the last 48 hours have saturated soils across the North Bay which will lead to increased risk of downed trees and power lines as gusty winds redevelop. Information: Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. |
FLOOD WATCH | ||
Sonoma County | ||
Effective: Fri, 11/22 5:25am | Severity: Severe | |
Updated: November 22, 2024 11:45 am | Urgency: Future | |
Expires: Fri, 11/22 1:30pm | Certainty: Possible | |
Areas Affected: Marin Coastal Range - Sonoma Coastal Range - North Bay Interior Mountains - Coastal North Bay Including Point Reyes National Seashore - North Bay Interior Valleys | ||
Alert
Details:
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...The North Bay. * WHEN...Through Saturday morning. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood Information: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. |