The National Weather Service has issued Red Flag warnings for gusty winds and low humidities beginning at 2200 tonight and continuing through 1500 on Thursday. Fire Weather Watch is in place for portions of the Northern Sierras and western mountains for gusty winds and low humidities.
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1058 AM PST WED JAN 22 2014
...GUSTY NORTH TO EAST WINDS AND LOW HUMIDITY LATE THIS EVENING
INTO EARLY FRIDAY...
.WINDS WILL INCREASE STARTING LATE THIS EVENING AS A WEAK AND DRY
LOW PRESSURE SYSTEM MOVES THROUGH THE PACIFIC NORTHWEST. THIS
COMBINED WITH LOW HUMIDITY WILL BRING A PERIOD OF HIGH FIRE
DANGER TO THE WEST SLOPE OF THE SIERRA AND FROM THE MOUNTAINS OF
SOUTHWESTERN SHASTA COUNTY SOUTHWARD TO THE MOUNTAINS OF LAKE
COUNTY.
CAZ221-269-231200-
/O.UPG.KSTO.FW.A.0001.140123T0800Z-140124T1500Z/
/O.NEW.KSTO.FW.W.0002.140123T0800Z-140124T1800Z/
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
1058 AM PST WED JAN 22 2014
...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM PST
FRIDAY FOR GUSTY NORTHEAST TO EAST WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 221 AND 269...
THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING FOR GUSTY NORTH TO EAST WINDS AND LOW HUMIDITY...WHICH IS
IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM PST FRIDAY. THIS UPGRADE
MEANS THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* AFFECTED AREA...FIRE WEATHER ZONE 221 STANISLAUS NF WEST OF
THE SIERRA CREST AND FIRE WEATHER ZONE 269 NORTHERN SIERRA
INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE SIERRA CREST.
* WINDS...EAST 10 TO 20 MPH WITH GUSTS UP TO 45 MPH.
* TIMING...STARTING LATE THIS EVENING AND CONTINUING INTO FRIDAY
MORNING.
* RELATIVE HUMIDITY...AS LOW AS 5 TO 10 PERCENT. POOR HUMIDITY
RECOVERY INTO THE 20S.
* IMPACTS...GUSTY WINDS AND LOW HUMIDITY ALONG WITH DRY FUELS
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS, WHERE ANY NEW
IGNITIONS COULD SEE RAPID FIRE GROWTH.
* 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. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1058 AM PST WED JAN 22 2014
...GUSTY NORTH TO EAST WINDS AND LOW HUMIDITY LATE THIS EVENING
INTO EARLY FRIDAY...
.WINDS WILL INCREASE STARTING LATE THIS EVENING AS A WEAK AND DRY
LOW PRESSURE SYSTEM MOVES THROUGH THE PACIFIC NORTHWEST. THIS
COMBINED WITH LOW HUMIDITY WILL BRING A PERIOD OF HIGH FIRE
DANGER TO THE WEST SLOPE OF THE SIERRA AND FROM THE MOUNTAINS OF
SOUTHWESTERN SHASTA COUNTY SOUTHWARD TO THE MOUNTAINS OF LAKE
COUNTY.
CAZ263-264-279-231200-
/O.UPG.KSTO.FW.A.0001.140123T0800Z-140124T1500Z/
/O.NEW.KSTO.FW.W.0002.140123T0800Z-140124T1800Z/
SOUTHEAST EDGE SHASTA-TRINITY NF AND WESTERN PORTIONS OF TEHAMA-
GLENN UNIT-LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
EASTERN MENDOCINO NF-
1058 AM PST WED JAN 22 2014
...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM PST
FRIDAY FOR GUSTY NORTH TO EAST WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 263...264 AND 279 ABOVE 2000 FEET...
THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING ABOVE 2000 FEET FOR GUSTY NORTH TO EAST WINDS AND LOW
HUMIDITY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM PST
FRIDAY. THIS UPGRADE MEANS THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT.
* AFFECTED AREA...FIRE WEATHER ZONE 263 SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT ABOVE
2000 FEET...FIRE WEATHER ZONE 264 LAKE COUNTY PORTION OF LAKE-
NAPA-SONOMA UNIT ABOVE 2000 FEET AND FIRE WEATHER ZONE 279
EASTERN MENDOCINO NF ABOVE 2000 FEET.
* WINDS...NORTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH.
* TIMING...STARTING LATE THIS EVENING AND CONTINUING INTO FRIDAY
MORNING.
* RELATIVE HUMIDITY...AS LOW AS 5 TO 10 PERCENT. POOR HUMIDITY
RECOVERY INTO THE TEENS AND 20S.
* IMPACTS...GUSTY WINDS AND LOW HUMIDITY ALONG WITH DRY FUELS
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS, WHERE ANY NEW
IGNITIONS COULD SEE RAPID FIRE GROWTH.
* 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. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.
URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
157 AM PST WED JAN 22 2014
CAZ507-222300-
/O.UPG.KMTR.FW.A.0002.140123T0600Z-140123T2000Z/
/O.NEW.KMTR.FW.W.0003.140123T0600Z-140123T2300Z/
NORTH BAY MOUNTAINS-
157 AM PST WED JAN 22 2014
...RED FLAG WARNING IN EFFECT FROM 10 PM THIS EVENING TO 3 PM PST
THURSDAY FOR LOW HUMIDITY AND GUSTY OFFSHORE WINDS...
THE NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA HAS ISSUED A
RED FLAG WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO
3 PM PST THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.
* AFFECTED AREA: FIRE ZONE 507 NORTH BAY MOUNTAINS ABOVE 1000 FEET
IN NAPA...MARIN AND SONOMA COUNTIES. THE STRONGEST WINDS ARE EXPECTED
OVER THE NAPA COUNTY HILLS AS WELL AS ALONG THE LAKE COUNTY BORDER OF
SONOMA COUNTY NEAR MOUNT SAINT HELENA.
* TIMING: FROM 10 PM WEDNESDAY NIGHT UNTIL 3 PM THURSDAY AFTERNOON.
* WIND: NORTH TO NORTHEAST WIND 10 TO 20 MPH WITH FREQUENT GUSTS
FROM 30 TO 40 MPH OVER THE RIDGES.
* HUMIDITY: STEADY FROM 10 TO 25 PERCENT DURING THE WARNING HOURS.
* IMPACTS: THE COMBINATION OF DRY FUELS...GUSTY WINDS AND LOW
HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS WHERE
ANY NEW IGNITIONS WILL EXPERIENCE RAPID FIRE GROWTH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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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