Red Flag Warning Extended To Tuesday For Northern California

A "red flag" fire danger warning covering the North Bay and East Bay hills, the Santa Cruz mountains and other areas over 1,000 feet in elevation will be in effect through 4 p.m. Tuesday.

A red flag warning means that critical fire weather conditions are either occurring now or are expected shortly. Those conditions include a combination of strong winds, low humidity and warm temperatures, conducive to extreme fire danger, the National Weather Service said.

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The warning, which took effect at 10 p.m. tonight, covers all three of the Bay Area's highest peaks - Mount Tamalpais, Mount Hamilton and Mount Diablo. Wind gusts on the highest peaks could hit 50 to 60 mph, and humidity during daylight of as low as 9 percent. Overnight temperatures are expected to be relatively low.

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This is all forecast as the entire Bay Area is coated in smoke from the devastating Camp Fire in Butte County, which has made air quality unhealthy.

A precise map of the areas covered by this "red flag" warning can be seen by going to https://www.weather.gov/mtr/

--Bay City News/Shutterstock image