Red Flag Warning
Issued by NWS San Francisco Bay Area, CA

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WWUS86 KMTR 221745
RFWMTR

URGENT - FIRE WEATHER MESSAGE
National Weather Service San Francisco CA
1045 AM PDT Fri Sep 22 2017

...Fire Weather Watch for the North Bay Hills...

.A warming and drying trend will start Saturday afternoon and
continue at least through Monday. In addition to the warm
temperatures there will be lowering humidity values and periods of
gusty northeast winds across the North Bay hills, especially
across the Napa county hills and the hills of northern Sonoma
County.

CAZ507-230400-
/O.NEW.KMTR.FW.A.0001.170923T2100Z-170926T0400Z/
North Bay Mountains-
1045 AM PDT Fri Sep 22 2017

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH
MONDAY EVENING FOR LOW HUMIDITY AND GUSTY WINDS FOR FIRE WEATHER
ZONE 507...

The National Weather Service in San Francisco has issued a Fire
Weather Watch, which is in effect from Saturday afternoon through
Monday evening.

* AFFECTED AREA...Fire weather zone 507. The North Bay Hills above 1000
  feet in elevation.

* WIND...Northeast Winds 10 to 20 mph...gusts 25 mph. Strongest
  overnight and morning hours.

* HUMIDITY...Lowering to around 15 percent afternoons with poor
  recovery less than 30 percent overnight.

* HIGHEST THREAT...is located over the Napa hills and around Mount
  Saint Helena where winds will be strongest and humidity lowest.
  Downed powerlines in remote areas will likely cause new fire
  starts.

* IMPACTS...any fires that develop will likely spread rapidly.
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible
Red Flag Warnings.

&&

$$
rww


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