Thursday, September 5, 2019

[CaliforniaDisasters] NorCal Fire WX Watches Upgraded to Red Flag Warnings (9/04/2019)

URGENT - FIRE WEATHER MESSAGE  National Weather Service Sacramento CA  251 PM PDT Wed Sep 4 2019    ...A Red Flag Warning is in effect across portions of Interior  Northern California from 5 PM today through late Thursday  morning...    .An area of low pressure off the coast will move through  northwestern California this evening. As the system interacts  with a pool of monsoonal moisture, scattered thunderstorms may  break out across the northern Coastal Range, the Shasta County  mountains, the Sierra north of I-80 and adjacent foothills, and  Burney Basin. Initial activity may be dry in nature before  turning to areas of wetting rains during the overnight hours. The  potential for abundant lightning may trigger fire starts over  seasonably dry fuels.    CAZ213-214-263-266-268-279-051800-  /O.UPG.KSTO.FW.A.0004.190905T0000Z-190905T1800Z/  /O.NEW.KSTO.FW.W.0004.190905T0000Z-190905T1800Z/  Eastern Portion of Shasta/Trinity NF-  Burney Basin and Northeast Plateau in Shasta County Including  Northwest Lassen NF north of Lassen NP-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-  251 PM PDT Wed Sep 4 2019    ...RED FLAG WARNING IN EFFECT UNTIL 11 AM PDT THURSDAY FOR  LIGHTNING FOR FIRE WEATHER ZONES 213, 214, 263, 266, 268, AND  279 INCLUDING THE MOUNTAINS, FOOTHILLS, AND BURNEY BASIN...    The National Weather Service in Sacramento has issued a Red Flag  Warning, which is in effect until 11 AM PDT Thursday. The Fire  Weather Watch is no longer in effect.    * AFFECTED AREA...Fire weather zones 213, 214, 263, 266, 268, and    279. This includes the northern Coastal Range, the Shasta County    mountains, the Sierra north of I-80 and adjacent foothills, and    Burney Basin.    * WIND...Gusty and erratic winds around thunderstorms. Isolated    wind gusts up to 40 mph.    * HUMIDITY...Minimum 10-20 percent; Overnight recoveries around    50-70 percent.    * THUNDERSTORMS...Potential for a mixture of dry and wet    thunderstorms causing local fire starts due to lightning.    * IMPACTS...any fires that develop will likely spread rapidly.    PRECAUTIONARY/PREPAREDNESS ACTIONS...    Abundant lightning on existing very dry fuels could cause numerous  new fire ignitions. Gusty and erratic outflow winds could also  create extreme fire growth potential.

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