URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE SACRAMENTO CA 330 AM PDT WED JUL 3 2013 ...POTENTIAL FOR THUNDERSTORMS WITH SUBSTANTIAL LIGHTNING FOR THIS AFTERNOON AND EVENING... HIGH PRESSURE OVER THE GREAT BASIN IS SPREADING MOISTURE NORTHWARD INTO THE REGION. THIS ALONG WITH AN UNSTABLE AIRMASS SHOULD GENERATE MAINLY MOUNTAIN THUNDERSTORMS STARTING MID DAY TODAY. SOME STORMS MAY SPREAD INTO THE VALLEY LATE THIS AFTERNOON OR EVENING. MOST OF THE THUNDERSTORM ACTIVITY IS EXPECTED TO BE WET BUT SUBSTANTIAL LIGHTNING WILL LAND SOME STRIKES OUTSIDE OF RAINFALL AREAS. STRONG GUSTY WINDS WILL ACCOMPANY MOST THUNDERSTORMS. SOME SHOWERS AND THUNDERSTORMS COULD LINGER OVER THE MOUNTAINS INTO EARLY THURSDAY. CAZ213>215-220-221-263-266>269-279-040000- /O.UPG.KSTO.FW.A.0005.130703T1900Z-130704T0600Z/ /O.NEW.KSTO.FW.W.0007.130703T1900Z-130704T0600Z/ 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- SOUTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF CALAVERAS-TUOLUMNE UNIT-STANISLAUS NF WEST OF THE SIERRA CREST- 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 MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF NEVADA-YUBA-PLACER-AMADOR AND ELDORADO 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)- NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE SIERRA CREST-EASTERN MENDOCINO NF- 330 AM PDT WED JUL 3 2013 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 11 PM PDT THIS EVENING FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 213...214... 215...220...221...263...266...267...268...269 AND 279... THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG WARNING FOR THUNDERSTORMS...WHICH IS IN EFFECT FROM NOON TODAY TO 11 PM PDT THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE MOUNTAINS AND FOOTHILLS OF THE INTERIOR NORTHERN CALIFORNIA AND THE NORTHERN SACRAMENTO VALLEY. * THUNDERSTORMS...EXPECTED TO DEVELOP BY MID DAY TODAY AND CONTINUE INTO THIS EVENING. THE THUNDERSTORMS ARE EXPECTED TO BE GENERALLY WET BUT SOME STRIKES ARE LIKELY OUTSIDE OF RAIN AREAS. THE STORMS ARE EXPECTED TO BEGIN OVER THE MOUNTAINS THEN EXTEND INTO THE NORTHERN VALLEY BY EVENING. * OUTFLOW WINDS...LOCALLY GUSTY TO 35 MPH NEAR ANY THUNDERSTORMS WHICH DEVELOP. * IMPACTS...LIGHTNING STRIKES MAY CREATE NEW FIRE STARTS. DRY CONDITIONS AND LOCALLY GUSTY WINDS COULD CAUSE FIRES THAT DEVELOP TO SPREAD RAPIDLY. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WEATHER.GOV/SACRAMENTO/HAZARDS PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THE COMBINATION OF DRYING FUELS AND NUMEROUS LIGHTNING STRIKES WILL INCREASE FIRE DANGER SIGNIFICANTLY. WATCH FOR FUTURE UPDATES REGARDING THIS TIME OF INCREASED FIRE DANGER.