UPDATE 1/27/21 at 3:30 p.m.
*FLASH FLOOD WATCH FOR THE 2020 BURN AREAS IN NAPA AND SONOMA COUNTIES NOW IN EFFECT THROUGH THURSDAY AFTERNOON*
The National Weather Service has re-issued a Flash Flood Watch that is now in effect and is specific to the burn areas of Sonoma County. This includes the Glass Fire burn area.
* National Weather Service Meteorologists are forecasting periods of moderate to heavy rainfall over the 2020 Burn Areas in Napa and Sonoma Counties, which may lead to flash flooding and debris flows. Residents in these burn scar areas can review additional information at srcity.org/BeRainReady.
* Periods of light to moderate rainfall are expected through the day today over the 2020 Burn Areas in Napa and Sonoma Counties. Rain rates and intensities are expected to increase as a secondary boundary sets up over the burn area by mid to late evening. Moderate to heavy rainfall is expected to accompany embedded thunderstorms that develop along the boundary this evening through Thursday afternoon. Residents near the 2020 Burn Areas in Napa and Sonoma Counties should prepare for potential flooding impacts. Be sure to stay up to date with information from local authorities.
PRECAUTIONARY/PREPAREDNESS ACTIONS
If you live near or on a burn scar: make sure you are signed up for SoCo Alert at srcity.org/KnowYourAlerts and have a "go bag" ready. Monitor the weather for forecast updates and heed local official orders. Read more about the weather event, preparedness information, and City actions at srcity.org/WinterStorm.
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UPDATE 1/27/21 at 8:00 a.m.
The National Weather Service has canceled the Flash Flood Watch locally. The Watch was originally set to expire tomorrow, Thursday (1/28) at 4:00 PM. There were no major storm related incidents last night during the peak of the rainfall. Showers are expected to continue through tomorrow.
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ORIGINAL POST (1/24/21)
The National Weather Service has issued a Flash Flood Watch for areas including the North Bay interior valleys and mountains for Tuesday through Thursday.
Details of the Watch are as follows:
- High confidence that thresholds for debris flows will be met due to the amounts of rain forecasted for the following 2020 wildfire burn scars – this includes the Glass Fire area here locally, as well as areas previously impacted by the Meyers, Walbridge, Hennessey, Woodward, CZU, Carmel/River, and Dolan fires.
- For non-burn scar areas, there could be rapid ponding of water in urban areas, and low lying areas with poor drainage. We also cannot rule out slides or wash outs in areas of steep terrain.
- A moderate atmospheric river will impact the region Tuesday through Thursday bringing prolonged periods of moderate to heavy rain along with gusty south winds. The brunt of the storm is forecast to occur between Tuesday evening through Wednesday.
PRECAUTIONARY/PREPAREDNESS ACTIONS:
Visit srcity.org/BeRainReady and follow the preparedness guidance on that page, including making sure you are signed up for SoCoAlert and have a "go bag" ready. Monitor the weather for forecast updates and heed any local official orders.
