San Miguel and Santa Rosa Islands Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Fire Weather Warning
Issued: 3:59 AM PDT Jun. 23, 2018 – National Weather Service

... Red flag warning remains in effect from 11 am this morning to
8 PM PDT Sunday for gusty northerly winds and low relative
humidity for the North Bay mountains and East Bay hills...

* wind... northerly winds of 15 to 30 mph with gusts to 40 mph.
Isolated highest terrain could see locally higher winds.

* Humidity... minimum humidity readings of 10 to 20% will be
common during the day, with the driest locations dropping
into the single digit range during the warmest, driest,
windiest times of the day. Overnight humidity recoveries will
be poor and less than 30%.

* Highest threat... elevations above 1000 feet, especially in
the extreme northern and eastern portions of the North Bay
mountains and East Bay hills

* impacts... any fires that develop will likely spread rapidly.
Outdoor burning or other activities that may lead to fire
creation is not recommended.

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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