Red Flag Warning
Issued by NWS Sacramento, CA

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WWUS86 KSTO 220909
RFWSTO

URGENT - FIRE WEATHER MESSAGE
National Weather Service Sacramento CA
209 AM PDT Tue Aug 22 2017

CAZ213>215-263-266-268-279-230700-
/O.UPG.KSTO.FW.A.0004.170822T1900Z-170823T0700Z/
/O.NEW.KSTO.FW.W.0005.170822T2100Z-170823T0700Z/
Eastern Portion of Shasta/Trinity NF-
Burney Basin and Northeast Plateau in Shasta County Including
Northwest Lassen NF north of Lassen NP-
Northern Sacramento Valley to Southern Tehama County Line Below
1000 Ft-Southeast Edge Shasta-
Trinity NF and Western Portions of Tehama-Glenn Unit-
Northern Sierra Foothills from 1000 to 3000 Ft. Includes portions
of Shasta-Trinity and Butte Units-
Northern Sierra Including Lassen NP and Plumas and Lassen NF/S
West of the Sierra Crest (West of Evans Peak-Grizzly Peak-
Beckworth Peak)-Eastern Mendocino NF-
209 AM PDT Tue Aug 22 2017

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO
MIDNIGHT PDT TONIGHT FOR ABUNDANT LIGHTNING FOR FIRE WEATHER
ZONES 213, 214, 215, 263, 266, 268, AND 279...

The National Weather Service in Sacramento has issued a Red Flag
Warning for abundant lightning, which is in effect from 2 PM this
afternoon to midnight PDT tonight. The Fire Weather Watch is no
longer in effect.

* WIND...South valley winds 5 to 10 mph with gusts up to 15 mph.
  Terrain driven winds in the mountains 5 to 10 mph with gusts up
  to 15 mph. Erratic gusty winds likely in thunderstorms.

* HUMIDITY...Afternoon minimum humidities between 20 and 30
  percent.

* THUNDERSTORMS...Developing storms Tuesday afternoon will
  increase fire starts due to abundant lightning in thunderstorms.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning for abundant lightning means that thunderstorms
are forecast to occur with frequent lightning that will likely
result in increased fire starts. Erratic gusty winds in thunderstorms
will likely result in rapid fire growth. A combination of
abundant lightning, dry fuels, low relative humidity and erratic
outflow winds can contribute to extreme fire behavior.

&&

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$$



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