... Red flag warning remains in effect until 5 PM PDT this
afternoon for low humidity and offshore winds for the North Bay
* affected area... the North Bay mountains. Fire weather zone 507
which includes all locations above 1000 feet in Napa, Sonoma
and Marin counties.
* Wind... northeast winds 5 to 15 mph with gusts 20 to 30 mph.
* Humidity... 9 to 19%.
* Highest threat... the hills of Napa and northeast Sonoma County
above 1000 feet.
* 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.
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Fire Weather Warning
Issued: 3:27 AM PDT Sep. 25, 2018 – National Weather Service