Flood Advisory
Status
Event Continued Active alertStart Time
Thu 11/21/2024 10:28 AM ESTEnd Time
Sat 11/23/2024 06:15 AM ESTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Santa Rosa, CA ∙ Napa, CA ∙ Petaluma, CA ∙ Novato, CA ∙ San Rafael, CA ∙ Pope Valley, CA ∙ Lagunitas-Forest Knolls, CA ∙ Black Point-Green Point, CA ∙ Point Reyes, CA ∙ Sleepy Hollow, CAFull Alert Message
Flood Advisory National Weather Service San Francisco CA 728 AM PST Thu Nov 21 2024 ...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 315 AM PST SATURDAY... * WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...All of Marin, Sonoma, and Napa Counties. * 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 723 AM PST, Doppler radar and automated rain gauges indicated heavy rain. This is causing urban and small stream flooding. Between 3 and 12 inches of rain have fallen. - Green Valley Road near Sebastopol, Trenton Healdsburg Road near Forestville, and Mark West Station Road near Windsor are the most likely place to experience minor flooding and are closed due to water over the roadway. Additional rainfall amounts of 2 to 7 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 PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. 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. && LAT...LON 3885 12282 3868 12263 3867 12263 3871 12246 3886 12239 3884 12229 3859 12213 3833 12206 3832 12221 3815 12220 3810 12249 3798 12244 3793 12249 3785 12241 3782 12257 3798 12282 3799 12303 3826 12298 3829 12307 3876 12354
Technical Header
CAC041-055-097-231115- /O.CON.KMTR.FA.Y.0080.000000T0000Z-241123T1115Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Marin CA-Napa CA-Sonoma CA- 728 AM PST Thu Nov 21 2024