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The original item was published from 10/20/2020 3:46:22 PM to 10/23/2020 8:26:08 AM.

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NEWS - Emergency Preparedness

Posted on: October 20, 2020

[ARCHIVED] Red Flag Warning - Wednesday through Friday

Red Flag Warning Map 2020-10-20

The National Weather Service has issued a Red Flag Warning for East Bay Hills and Valleys which is in effect from 10:00 P.M. Wednesday, October 21 to 8:00 A.M. Friday, October 23

The continuation of gusty, dry offshore winds and low humidity, in combination with very dry fuels, will result in an increased risk of new wildfire starts and rapid wildfire spread. Gusty northerly winds will initially affect the North Bay Mountains and East Bay Hills and Valleys late Wednesday evening and expand overnight into the Santa Cruz Mountains and portions of Coastal San Mateo County through Thursday morning. A lull in the offshore winds is expected from late Thursday morning through Thursday evening, but another burst is expected overnight and into Friday morning.

North to northeast winds, 10 to 20 mph with gusts up to 35 mph. Winds will be strongest during the overnight hours. Locally stronger winds are possible as winds from the higher ridges and peaks mix down to the valley floors. Daytime humidities in the 30-35 percent range but falling quickly overnight. Poor overnight recoveries expected, with widespread humidities in the 15-20 percent range.

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. ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY.

  • Please exercise extra caution when grilling.
  • If possible, avoid using lawnmowers, chain saws or other such devices in dry vegetation areas

For more information go to https://www.weather.gov/mtr//

Additional Info...
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