Accessibility Tools

Skip to main content

Red Flag Warning in Effect Through Monday Evening

Red flag warning for Marin County Sunday, September 27 through Monday, September 28, 2020

The National Weather Service has issued a Red Flag Warning, in effect for ALL areas of Marin and the North Bay through Monday evening at 9 PM. Learn more about Red Flag Warnings and wildfire preparedness at http://www.firesafemarin.org/fire-weather. Double check your family's evacuation readiness at http://www.firesafemarin.org/evacuation today!

The Red Flag Warning means critical fire weather conditions are being observed now. Now is the time to prepare.


URGENT - FIRE WEATHER MESSAGE
 National Weather Service San Francisco Bay Area
 559 AM PDT Sun Sep 27 2020
 
 CAZ505>507-280500-
 /O.CON.KMTR.FW.W.0005.000000T0000Z-200929T0400Z/
 Coastal North Bay Including Point Reyes National Seashore-
 North Bay Interior Valleys-North Bay Mountains-
 559 AM PDT Sun Sep 27 2020
 
 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY FOR
 OFFSHORE WINDS AND LOW HUMIDITY FOR THE ENTIRE NORTH BAY...
 
 * WIND...Gusty offshore winds will continue in the hills through
   this morning with gusts of 40 to 60 mph persisting. Offshore
   winds in the hills will ease by this afternoon but then another
   burst of winds will develop tonight into early Monday. For 
   lower elevations, expect wind gusts of 20 to 35 mph, with 
   strongest winds expected today and tonight. 
 
 * HUMIDITY...Lowering to around 30% by sunrise Sunday. RH values
   staying steady from 12-25% Sunday into Monday with no humidity
   recovery Sunday night. 
 
 * HIGHEST THREAT...Elevations above 1500 feet where winds will 
   be strongest. Any remaining heat in the Wallbridge fire may 
   flare up as well. 
 
 * IMPACTS....Any fires that develop will spread rapidly in the 
   hot, dry and windy weather.
 
 PRECAUTIONARY/PREPAREDNESS ACTIONS...
 
 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.