Wednesday, August 25, 2010

[californiadisasters] Red Flag Warnings - NorCal (8/25/10-PM)



...CRITICAL FIRE WEATHER CONDITIONS THURSDAY AND FRIDAY...

.A PACIFIC LOW PRESSURE SYSTEM WILL APPROACH FROM THE WEST ON
THURSDAY AND FRIDAY. GUSTY WINDS COMBINED WITH A DRY AIR MASS
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS NORTH OF HIGHWAY
50 THURSDAY. ISOLATED TO SCATTERED DRY THUNDERSTORMS ARE ALSO
POSSIBLE THURSDAY AFTERNOON AND EVENING AROUND THE INTERSTATE
80 CORRIDOR WITH WETTER STORMS FURTHER SOUTH.

ON FRIDAY...CRITICAL CONDITIONS ARE ALSO POSSIBLE SOUTH OF
INTERSTATE 80 WITH GUSTY WINDS AND LOW HUMIDITY. NO THUNDERSTORMS
ARE EXPECTED FRIDAY.

CAZ270-271-278-NVZ458-261430-
/O.CON.KREV.FW.W.0012.100826T1800Z-100827T0400Z/
SURPRISE VALLEY CALIFORNIA-WESTERN LASSEN-EASTERN PLUMAS-
EASTERN SIERRA-EASTERN NEVADA COUNTIES-EASTERN LASSEN COUNTY-
253 PM PDT WED AUG 25 2010

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 9 PM PDT
THURSDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR NORTHEAST
CALIFORNIA AND NORTHERN WASHOE COUNTY...

* AFFECTED AREA: FIRE ZONE 270 SURPRISE VALLEY CALIFORNIA...
FIRE ZONE 271 WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA-
EASTERN NEVADA COUNTIES...FIRE ZONE 278 EASTERN LASSEN
COUNTY... FIRE ZONE 458 NORTHERN WASHOE COUNTY.

* WIND: SOUTHWEST 15 TO 25 MPH WITH GUSTS 35 TO 40 MPH.

* HUMIDITY: FALLING TO 6 TO 13 PERCENT IN THE AFTERNOON.

* IMPACTS: THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL
CREATE CRITICAL FIRE WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.

&&

$$

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE RENO NV
253 PM PDT WED AUG 25 2010

...CRITICAL FIRE WEATHER CONDITIONS THURSDAY AND FRIDAY...

.A PACIFIC LOW PRESSURE SYSTEM WILL APPROACH FROM THE WEST ON
THURSDAY AND FRIDAY. GUSTY WINDS COMBINED WITH A DRY AIR MASS
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS NORTH OF HIGHWAY
50 THURSDAY. ISOLATED TO SCATTERED DRY THUNDERSTORMS ARE ALSO
POSSIBLE THURSDAY AFTERNOON AND EVENING AROUND THE INTERSTATE
80 CORRIDOR WITH WETTER STORMS FURTHER SOUTH.

ON FRIDAY...CRITICAL CONDITIONS ARE ALSO POSSIBLE SOUTH OF
INTERSTATE 80 WITH GUSTY WINDS AND LOW HUMIDITY. NO THUNDERSTORMS
ARE EXPECTED FRIDAY.

CAZ272-NVZ450-453-261430-
/O.CON.KREV.FW.W.0012.100826T1800Z-100827T0700Z/
/O.CON.KREV.FW.A.0009.100827T1900Z-100828T0400Z/
GREATER LAKE TAHOE AREA-
253 PM PDT WED AUG 25 2010

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THURSDAY TO
MIDNIGHT PDT THURSDAY NIGHT FOR GUSTY WINDS AND LOW HUMIDITY FOR
THE TAHOE BASIN AND WEST CENTRAL NEVADA...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH FRIDAY EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
TAHOE BASIN AND WEST CENTRAL NEVADA...

* AFFECTED AREA: FIRE ZONE 272 GREATER LAKE TAHOE AREA...FIRE ZONE
450 WESTERN NEVADA SIERRA FRONT...FIRE ZONE 453 WEST CENTRAL
NEVADA BASIN AND RANGE.

* WIND: SOUTHWEST 15 TO 25 MPH WITH GUSTS TO 40 MPH THURSDAY
AFTERNOON AND EVENING. WIND GUSTS TO 35 MPH POSSIBLE FRIDAY.

* HUMIDITY: FALLING TO 10 TO 20% EACH AFTERNOON.

* THUNDERSTORMS THURSDAY: ISOLATED DRY THUNDERSTORMS BEGINNING
LATE MORNING AROUND LAKE TAHOE AND RENO...MOVING EAST AND
BECOMING SCATTERED BY LATE AFTERNOON.

* IMPACTS: THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WITH
POTENTIAL DRY THUNDERSTORMS WILL CREATE CRITICAL FIRE WEATHER
CONDITIONS THURSDAY. CRITICAL CONDITIONS ARE POSSIBLE FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. CHECK WEATHER.GOV/RENO FOR UPDATES AND POSSIBLE RED
FLAG WARNINGS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
WILL OCCUR. CONTINUE TO CHECK WEATHER.GOV/RENO FOR UPDATES.

&&

$$



URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
126 PM PDT WED AUG 25 2010

...CRITICAL FIRE WEATHER CONDITIONS THURSDAY AFTERNOON AND EVENING...

.STRONG SOUTHWEST WINDS WILL DEVELOP AHEAD OF A COLD FRONT
THURSDAY AFTERNOON AND EVENING. AHEAD OF THE FRONT...HUMIDITY WILL
DROP BELOW TEN PERCENT. AS THE FRONT APPROACHES...SOUTHWEST WINDS
OF 15 TO 25 MPH AND GUSTS TO 35 MPH ARE EXPECTED. THE COMBINATION
OF STRONG WINDS AND VERY DRY AIR WILL CREATE CRITICAL FIRE WEATHER
CONDITIONS THURSDAY AFTERNOON AND EVENING.

CAZ214-268-260830-
/O.NEW.KSTO.FW.W.0005.100826T2000Z-100827T0400Z/
BURNEY BASIN AND NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING
NORTHWEST LASSEN NF NORTH OF LASSEN NP-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
126 PM PDT WED AUG 25 2010

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 9 PM PDT THURSDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES 214 AND 268...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM TO 9 PM PDT THURSDAY.

* AFFECTED AREA: IN CALIFORNIA...FIRE ZONE 214 BURNEY BASIN AND
NORTHEAST PLATEAU IN SHASTA COUNTY INCLUDING NORTHWEST LASSEN
NF NORTH OF LASSEN NP...FIRE ZONE 268 NORTHERN SIERRA
INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S WEST OF THE
SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-BECKWORTH PEAK).

* WIND:SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH.

* HUMIDITY: DROPPING BELOW TEN PERCENT.

* IMPACTS:THE COMBINATION OF GUSTY WINDS...LOW HUMIDITY AND VERY
DRY FUELS WILL CREATE CRITICAL FIRE WEATHER CONDITIONS.


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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

SG

HTTP://WEATHER.GOV/SACRAMENTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
1251 PM PDT WED AUG 25 2010

CAZ285-ORZ624-625-260800-
/O.UPG.KMFR.FW.A.0008.100826T1600Z-100827T0600Z/
/O.NEW.KMFR.FW.W.0008.100826T1900Z-100827T0500Z/
MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
KLAMATH BASIN-
1251 PM PDT WED AUG 25 2010

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM PDT THURSDAY FOR
FOR THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES
FOR FIRE ZONE 285 IN CALIFORNIA AND FIRE ZONES 624 AND 625 IN
OREGON...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 10 PM PDT THURSDAY FOR
THE COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR
FIRE ZONE 285 IN CALIFORNIA AND FIRE ZONES 624 AND 625 IN OREGON.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* AFFECTED AREA: FIRE ZONE 285 IN CALIFORNIA AND 624 AND 625 IN
OREGON.

* TIMING: THURSDAY AFTERNOON THROUGH THURSDAY EVENING.

* WIND: SOUTHWEST WIND 15-25 MPH WITH GUSTS TO 30-40 MPH.

* HUMIDITY: FALLING TO 10 TO 20 PERCENT THURSDAY AFTERNOON.

* IMPACTS: LOW RELATIVE HUMIDITIES AND STRONG SOUTHWEST WINDS WILL
CREATE CRITICAL FIRE WEATHER CONDITIONS EARLY THURSDAY AFTERNOON
THROUGH THURSDAY EVENING.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL
CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

&&

$$


VISIT US AT WWW.WEATHER.GOV/MEDFORD

Source: http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=rev&wwa=red%20flag%20warning
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