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Napa County OES
Monday October 29th, 2018 :: 12:14 p.m. PDT

Advisory

RED FLAG WARNING IN EFFECT FROM 11 PM MONDAY TO 6 AM PDT WEDNESDAY FOR GUSTY OFFSHORE WINDS AND LOW HUMIDITY FOR THE NORTH BAY MOUNTAINS

The National Weather Service in San Francisco has issued a Red Flag Warning, which is in effect from 11 PM this evening to 6 AM PDT Wednesday. 
 
* AFFECTED AREA...North Bay Mountains above 1000 feet.
 
* WIND...Northeast winds 20 to 30 mph with gusts 40 to 50 mph - locally 55 mph.
 
* HUMIDITY...40-50% early tonight lowering to 9-19% Tuesday with little or no humidity recovery Tuesday night.
 
* HIGHEST THREAT...Napa county hills along the Yolo and Lake County line. Areas around Mt Saint Helena 
 
* IMPACTS...any fires that develop will likely spread rapidly.
 
 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.
 
 

Address/Location
Napa County OES
1195 3rd St
Napa, CA 94559

Contact
Emergency: 9-1-1
Non-emergencies: 707-299-1892

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