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Posted on: August 22, 2020

Red Flag Warning

Red Flag Warning for 8/23 - 8/24

UPDATE 8/24/20

The Red Flag Warning that was scheduled to be in effect until 5pm today (8/24) has been CANCELLED.

Per the NWS: we should remain weather aware as weak cells are still over the North Bay. However, since most moisture has moved north of our area and instability has decreased, there’s enough confidence to let the Red Flag Warning expire early.



The National Weather Service has issued a RED FLAG WARNING for the North Bay Area, including all of Santa Rosa from 5 AM Sunday to 5 PM Monday due to dry lightning and gusty erratic outflow winds over existing wildfires.


* WIND...Prevailing winds will be southwest, light in the morning and breezy to locally gusty in the afternoon and evenings. However, erratic gusty outflow winds of 30 to 65 mph may accompany stronger thunderstorms.

* THUNDERSTORMS...The strongest thunderstorms are anticipated to develop Sunday evening through Monday morning. Additional isolated to scattered dry thunderstorms are forecast to develop over land from early Sunday to late Monday. Weaker isolated storms are possible off the coast as early as Saturday. Dry thunderstorms may become wet as the event progresses.

* IMPACTS...Lightning will likely spark new fires across the region, including remote areas. Wildfires in remote regions may not become apparent until warmer and drier conditions allow them to grow. Erratic gusty outflow winds may result in dangerous and unpredictable fire behavior. Please report potential fires by calling 9-1-1.


A Red Flag Warning means that critical fire weather conditions are either occurring now or will shortly. A combination of strong winds low relative humidity and warm temperatures can contribute to extreme fire behavior.

Visit (and check out weather alerts)

The City of Santa Rosa published a special edition of our City Connections Newsletter on Thursday with a focus on Emergency Preparedness. If you don’t subscribe to the newsletter or haven’t read your copy yet, we encourage you to do so now. Read it here:

Red Flag Warning for 8/23 - 8/24

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