Alert archive / California / Red Flag Warnings in 2011

Red Flag Warning 2, NWS Sacramento, CA

September 9, 2011

NWS Sacramento, CA issued this red flag warning at Sep 9, 2011, 5:14 AM PDT. It took effect at Sep 9, 2011, 8:00 AM PDT. It was in force for 36 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 9, 2011, 5:14 AM PDT (12:14 UTC)
In effect from
Sep 9, 2011, 8:00 AM PDT
Expired
Sep 10, 2011, 7:56 PM PDT
In force
36 hr
Issued by
NWS Sacramento, CA

The text

As transmitted, in the capitals the NWS used until 2016.

156 
WWUS86 KSTO 091214
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
514 AM PDT FRI SEP 9 2011

.A LOW PRESSURE SYSTEM WILL MOVE OVER CENTRAL CALIFORNIA TODAY 
AND LINGER THROUGH THE WEEKEND. AS A RESULT...THE THREAT OF
THUNDERSTORMS WILL INCREASE TODAY WITH THE POTENTIAL FOR DRY
LIGHTNING. MOST STORM DEVELOPMENT IS EXPECTED OVER THE SIERRA
NEVADA BUT EASTERLY FLOW ALOFT MAY PUSH SOME STORMS INTO THE
FOOTHILLS OR CENTRAL VALLEY. STORMS ARE EXPECTED TO BECOME WETTER
THROUGH THE WEEKEND...HOWEVER LIGHTNING STRIKES ARE ALWAYS
POSSIBLE AWAY FROM RAIN CORES.

IN ADDITION...GUSTY NORTH TO EAST WIND WILL DEVELOP THIS MORNING
OVER PORTIONS OF NORTHERN INTERIOR CALIFORNIA AND CONTINUE INTO
SATURDAY. THESE WINDS COMBINED WITH VERY LOW HUMIDITIES WILL
INCREASE THE FIRE DANGER. THE WIND IS EXPECTED TO DIMINISH SATURDAY
AFTERNOON INTO EVENING.

CAZ213-215-216-263-266-279-092300-
/O.CAN.KSTO.FW.W.0001.000000T0000Z-110911T0600Z/
/O.NEW.KSTO.FW.W.0002.110909T1500Z-110911T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY 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-EASTERN MENDOCINO NF-
514 AM PDT FRI SEP 9 2011

...RED FLAG WARNING IN EFFECT UNTIL 5 PM PDT SATURDAY FOR GUSTY 
WIND AND LOW HUMIDITY FOR FIRE ZONES 213 215 216 263 266 AND 279...

* AFFECTED AREA: FIRE ZONES 213...215...216... 263...266...AND
  279. THESE INCLUDE THE NORTHERN AND CENTRAL SACRAMENTO VALLEY...
  THE NORTHEAST SACRAMENTO VALLEY FOOTHILLS...NORTHERN SHASTA
  COUNTY...AND THE MENDOCINO MOUNTAINS FROM SOUTHWEST SHASTA
  COUNTY TO NORTHERN LAKE COUNTY.

* WIND: NORTH WIND 10 TO 20 MPH WITH LOCAL GUSTS TO 30 MPH WILL
  DEVELOP ALONG THE NORTHERN AND WESTERN SACRAMENTO VALLEY AND
  ALONG THE MENDOCINO MOUNTAINS THIS MORNING AND CONTINUE THROUGH
  SATURDAY. ALONG THE SIERRA NEVADA FOOTHILLS...NORTHEAST WINDS 10
  TO 20 MPH ARE POSSIBLE WITH LOCAL GUSTS 30 T0 40 MPH THROUGH
  FAVORABLE ORIENTED CANYONS.

* HUMIDITY: AFTERNOON RELATIVE HUMIDITY WILL BE IN THE SINGLE
  DIGITS TO LOWER TEENS. OVERNIGHT HUMIDITY RECOVERY PERCENT WILL
  ONLY BE IN 20S TO 30S.

* IMPACTS: VERY DRY FUELS...GUSTY NORTH TO NORTHEAST WINDS AND
  VERY DRY CONDITIONS WITH POOR OVERNIGHT HUMIDITY WILL CREATE
  POTENTIALLY DANGEROUS FIRE WEATHER CONDITIONS TODAY THROUGH LATE 
  SATURDAY.

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.


&&

$$

CAZ221-269-092300-
/O.UPG.KSTO.FW.A.0001.110909T1800Z-110911T0300Z/
/O.NEW.KSTO.FW.W.0002.110909T2200Z-110911T0300Z/
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
514 AM PDT FRI SEP 9 2011

...RED FLAG WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM
PDT SATURDAY FOR DRY LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY
FOR FIRE ZONE 221 269 BELOW 5000 FEET...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM PDT
SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT.

* THUNDERSTORMS: COULD DEVELOP OVER THE SIERRA BY THIS AFTERNOON
  AND CONTINUE INTO SATURDAY. STORMS MAY INITIALLY BE DRY...BUT
  SHOULD BECOME WETTER OVER THE WEEKEND. ALSO...LIGHTNING STRIKES
  ARE ALWAYS POSSIBLE AWAY FROM RAIN CORES AND COMBINED WITH
  LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE ENVIRONMENT.

* WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE POSSIBLE
  NEAR ANY THUNDERSTORMS THIS AFTERNOON THROUGH SATURDAY
  EVENING. IN ADDITION...LOCAL EAST WIND OF 10 TO 20 MPH WITH GUSTS
  30 TO 40 MPH ARE POSSIBLE TODAY THROUGH SATURDAY.

* IMPACTS: VERY DRY FUELS...LOW HUMIDITIES...DRY LIGHTNING AND
  GUSTY WINDS COULD COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  THIS AFTERNOON THROUGH SATURDAY EVENING BELOW 5000 FEET.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
DRY LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.


&&

$$

CAZ217-219-220-267-092300-
/O.EXT.KSTO.FW.A.0001.110910T0000Z-110911T0300Z/
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
SOUTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
CALAVERAS-TUOLUMNE UNIT-
NORTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
NEVADA-YUBA-PLACER-AMADOR AND ELDORADO UNITS-
514 AM PDT FRI SEP 9 2011

...FIRE WEATHER WATCH NOW IN EFFECT FROM 5 PM PDT THIS AFTERNOON
THROUGH SATURDAY EVENING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW
WINDS FOR FIRE ZONES 217 219 220 AND 267...

* AFFECTED AREA: FIRE ZONES 220 AND 267. THESE INCLUDE THE
  SOUTHERN SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS AND
  MOTHERLODE LOCATIONS ALONG THE SIERRA NEVADA FOOTHILLS.

* THUNDERSTORMS: COULD DEVELOP OVER THE SIERRA AND DRIFT INTO THE
  FOOTHILLS OR CENTRAL VALLEY THIS EVENING INTO SATURDAY. STORMS
  MAY INITIALLY BE DRY...BUT SHOULD BECOME WETTER BY LATE
  SATURDAY. HOWEVER LIGHTNING STRIKES AWAY FROM RAIN CORES AND
  LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE ENVIRONMENT
  DURING THE WATCH PERIOD.

* OUTFLOW WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE 
  POSSIBLE NEAR ANY THUNDERSTORMS LATE THIS AFTERNOON THROUGH 
  SATURDAY EVENING.

* IMPACTS: VERY DRY FUELS...DRY LIGHTNING AND LOCALLY GUSTY
  OUTFLOW WINDS MAY COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  LATE THIS AFTERNOON THROUGH SATURDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.


&&

$$
6 follow-up statements
603 
WWUS86 KSTO 091759
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1059 AM PDT FRI SEP 9 2011

.A LOW PRESSURE SYSTEM WILL MOVE OVER CENTRAL CALIFORNIA TODAY 
AND LINGER THROUGH THE WEEKEND. AS A RESULT...THE THREAT OF
THUNDERSTORMS WILL INCREASE TODAY WITH THE POTENTIAL FOR DRY
LIGHTNING. MOST STORM DEVELOPMENT IS EXPECTED OVER THE SIERRA
NEVADA BUT EASTERLY FLOW ALOFT MAY PUSH SOME STORMS INTO THE
FOOTHILLS AND CENTRAL VALLEY. STORMS ARE EXPECTED TO BECOME
WETTER THROUGH THE WEEKEND...HOWEVER LIGHTNING STRIKES ARE ALWAYS
POSSIBLE AWAY FROM RAIN CORES.

IN ADDITION...GUSTY NORTH TO EAST WIND HAVE DEVELOPED THIS
MORNING OVER PORTIONS OF NORTHERN INTERIOR CALIFORNIA AND WILL
CONTINUE INTO SATURDAY. THESE WINDS COMBINED WITH VERY LOW
HUMIDITIES WILL INCREASE THE FIRE DANGER. THE WIND IS EXPECTED TO
DIMINISH SATURDAY AFTERNOON INTO EVENING.

CAZ264-100600-
/O.EXB.KSTO.FW.W.0002.110909T1759Z-110911T0300Z/
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
1059 AM PDT FRI SEP 9 2011

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY FOR GUSTY 
WINDS AND LOW HUMIDITY WITH ISOLATED DRY THUNDERSTORMS FOR FIRE 
ZONE 264...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM PDT SATURDAY. 

* AFFECTED AREA: FIRE ZONE 264. THIS INCLUDES SOUTHERN LAKE
  COUNTY. 

* WIND: NORTH WIND 10 TO 20 MPH WITH LOCAL GUSTS TO 30 MPH WILL
  CONTINUE TODAY AND INTO SATURDAY. 

* HUMIDITY: AFTERNOON RELATIVE HUMIDITY WILL BE IN THE SINGLE
  DIGITS TO LOWER TEENS. OVERNIGHT HUMIDITY RECOVERY PERCENT WILL
  ONLY BE IN 20S TO 30S.

* IMPACTS: VERY DRY FUELS...GUSTY NORTH TO NORTHEAST WINDS AND
  VERY DRY CONDITIONS WITH POOR OVERNIGHT HUMIDITY WILL CREATE
  POTENTIALLY DANGEROUS FIRE WEATHER CONDITIONS TODAY THROUGH LATE
  SATURDAY. ISOLATED DRY THUNDERSTORMS MAY ALSO INCREASE FIRE
  DANGER. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

CAZ217-219-220-267-100600-
/O.UPG.KSTO.FW.A.0001.110910T0000Z-110911T0300Z/
/O.EXA.KSTO.FW.W.0002.110909T2200Z-110911T0300Z/
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
SOUTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
CALAVERAS-TUOLUMNE UNIT-
NORTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
NEVADA-YUBA-PLACER-AMADOR AND ELDORADO UNITS-
1059 AM PDT FRI SEP 9 2011

...RED FLAG WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM
PDT SATURDAY FOR DRY LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY
FOR FIRE ZONE 217 219 221 269 BELOW 5000 FEET...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM PDT
SATURDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA: FIRE ZONES 217 219 220 AND 267. THESE INCLUDE
  THE SOUTHERN SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS AND
  MOTHERLODE LOCATIONS ALONG THE SIERRA NEVADA FOOTHILLS.

* THUNDERSTORMS: COULD DEVELOP OVER THE SIERRA AND DRIFT INTO THE
  FOOTHILLS AND CENTRAL VALLEY THIS AFTERNOON INTO SATURDAY.
  STORMS MAY INITIALLY BE DRY...BUT SHOULD BECOME WETTER BY LATE
  SATURDAY. HOWEVER LIGHTNING STRIKES AWAY FROM RAIN CORES AND
  LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE ENVIRONMENT
  DURING THE WATCH PERIOD.

* OUTFLOW WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE 
  POSSIBLE NEAR ANY THUNDERSTORMS LATE THIS AFTERNOON THROUGH 
  SATURDAY EVENING.

* IMPACTS: VERY DRY FUELS...DRY LIGHTNING AND LOCALLY GUSTY
  OUTFLOW WINDS MAY COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  LATE THIS AFTERNOON THROUGH SATURDAY EVENING.

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.

&&

$$

CAZ213-215-216-263-266-279-100600-
/O.EXT.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY 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-EASTERN MENDOCINO NF-
1059 AM PDT FRI SEP 9 2011

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PDT SATURDAY FOR
GUSTY WIND AND LOW HUMIDITY WITH ISOLATED DRY THUNDERSTORMS FOR 
FIRE ZONES 213 215 216 263 266 AND 279...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 8 PM PDT SATURDAY. 

* AFFECTED AREA: FIRE ZONES 213...215...216... 263...266...AND 
  279. THESE INCLUDE THE NORTHERN AND CENTRAL SACRAMENTO 
  VALLEY... THE NORTHEAST SACRAMENTO VALLEY FOOTHILLS...
  NORTHERN SHASTA COUNTY...AND THE MENDOCINO MOUNTAINS FROM 
  SOUTHWEST SHASTA COUNTY TO NORTHERN LAKE COUNTY.

* WIND: NORTH WIND 10 TO 20 MPH WITH LOCAL GUSTS TO 30 MPH WILL
  CONTINUE ALONG THE NORTHERN AND WESTERN SACRAMENTO VALLEY AND
  ALONG THE MENDOCINO MOUNTAINS THIS MORNING AND CONTINUE THROUGH
  SATURDAY. ALONG THE SIERRA NEVADA FOOTHILLS... NORTHEAST WINDS
  10 TO 20 MPH ARE POSSIBLE WITH LOCAL GUSTS 30 T0 40 MPH THROUGH
  FAVORABLE ORIENTED CANYONS.

* HUMIDITY: AFTERNOON RELATIVE HUMIDITY WILL BE IN THE SINGLE 
  DIGITS TO LOWER TEENS. OVERNIGHT HUMIDITY RECOVERY PERCENT 
  WILL ONLY BE IN 20S TO 30S.

* IMPACTS: VERY DRY FUELS...GUSTY NORTH TO NORTHEAST WINDS AND
  VERY DRY CONDITIONS WITH POOR OVERNIGHT HUMIDITY WILL CREATE
  POTENTIALLY DANGEROUS FIRE WEATHER CONDITIONS TODAY THROUGH LATE
  SATURDAY. ISOLATED DRY THUNDERSTORMS MAY ALSO INCREASE FIRE
  DANGER. 

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.

&&

$$

CAZ221-269-100600-
/O.CON.KSTO.FW.W.0002.110909T2200Z-110911T0300Z/
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
1059 AM PDT FRI SEP 9 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
8 PM PDT SATURDAY FOR DRY LIGHTNING WITH GUSTY WINDS AND LOW
HUMIDITY FOR FIRE ZONE 221 269 BELOW 5000 FEET...

* THUNDERSTORMS: COULD DEVELOP OVER THE SIERRA BY THIS 
  AFTERNOON AND CONTINUE INTO SATURDAY. STORMS MAY INITIALLY BE 
  DRY...BUT SHOULD BECOME WETTER OVER THE WEEKEND. ALSO...
  LIGHTNING STRIKES ARE ALWAYS POSSIBLE AWAY FROM RAIN CORES 
  AND COMBINED WITH LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS 
  FIRE ENVIRONMENT.

* WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE POSSIBLE 
  NEAR ANY THUNDERSTORMS THIS AFTERNOON THROUGH SATURDAY 
  EVENING. IN ADDITION...LOCAL EAST WIND OF 10 TO 20 MPH WITH 
  GUSTS 30 TO 40 MPH ARE POSSIBLE TODAY THROUGH SATURDAY.

* IMPACTS: VERY DRY FUELS...LOW HUMIDITIES...DRY LIGHTNING AND 
  GUSTY WINDS COULD COMBINE TO CREATE A HAZARDOUS FIRE 
  ENVIRONMENT THIS AFTERNOON THROUGH SATURDAY EVENING BELOW 
  5000 FEET. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$


HTTP://WEATHER.GOV/SACRAMENTO
465 
WWUS86 KSTO 092217
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
317 PM PDT FRI SEP 9 2011

IN ADDITION...GUSTY NORTH TO EAST WIND HAVE DEVELOPED THIS
MORNING OVER PORTIONS OF NORTHERN INTERIOR CALIFORNIA AND WILL
CONTINUE INTO SATURDAY. THESE WINDS COMBINED WITH VERY LOW
HUMIDITIES WILL INCREASE THE FIRE DANGER. THE WIND IS EXPECTED TO
DIMINISH SATURDAY AFTERNOON INTO EVENING.

CAZ218-101030-
/O.EXA.KSTO.FW.W.0002.110909T2200Z-110911T0300Z/
CARQUINEZ STRAIT AND DELTA-
317 PM PDT FRI SEP 9 2011

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY FOR DRY
LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE 218...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM PDT SATURDAY. 

* AFFECTED AREA: FIRE ZONE 218. THIS INCLUDES THE CARQUINEZ STRAIT
  AND DELTA REGION.

* THUNDERSTORMS: THUNDERSTORMS DEVELOPING OVER THE SIERRA COULD
  DRIFT INTO THE CENTRAL VALLEY AND DELTA REGION THIS EVENING AND INTO
  SATURDAY. STORMS MAY INITIALLY BE DRY...BUT SHOULD BECOME WETTER
  BY LATE SATURDAY. HOWEVER LIGHTNING STRIKES AWAY FROM RAIN CORES
  AND LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE
  ENVIRONMENT.

* OUTFLOW WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE 
  POSSIBLE NEAR ANY THUNDERSTORMS LATE THIS AFTERNOON THROUGH 
  SATURDAY EVENING.

* IMPACTS: VERY DRY FUELS...DRY LIGHTNING AND LOCALLY GUSTY
  OUTFLOW WINDS MAY COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  LATE THIS AFTERNOON THROUGH SATURDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

CAZ213-215-216-263-264-266-279-101030-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
317 PM PDT FRI SEP 9 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR
GUSTY WIND AND LOW HUMIDITY WITH ISOLATED DRY THUNDERSTORMS FOR
FIRE ZONES 213 215 216 263 264 266 AND 279...

* AFFECTED AREA: FIRE ZONES 213...215...216... 263...264... 266...
  AND 279. THESE INCLUDE THE NORTHERN AND CENTRAL SACRAMENTO
  VALLEY... THE NORTHEAST SACRAMENTO VALLEY FOOTHILLS... NORTHERN
  SHASTA COUNTY...AND THE MENDOCINO MOUNTAINS FROM SOUTHWEST
  SHASTA COUNTY TO LAKE COUNTY.

* WIND: NORTH WIND 10 TO 20 MPH WITH LOCAL GUSTS TO 30 MPH WILL
  CONTINUE ALONG THE NORTHERN AND WESTERN SACRAMENTO VALLEY AND
  ALONG THE MENDOCINO MOUNTAINS THIS MORNING THROUGH SATURDAY.
  ALONG THE SIERRA NEVADA FOOTHILLS... NORTHEAST WINDS 10 TO 20
  MPH ARE POSSIBLE WITH LOCAL GUSTS 30 T0 40 MPH THROUGH FAVORABLE
  ORIENTED CANYONS.

* HUMIDITY: AFTERNOON RELATIVE HUMIDITY WILL BE IN THE SINGLE 
  DIGITS TO LOWER TEENS. OVERNIGHT HUMIDITY RECOVERY PERCENT 
  WILL ONLY BE IN 20S TO 30S.

* IMPACTS: VERY DRY FUELS...GUSTY NORTH TO NORTHEAST WINDS AND 
  VERY DRY CONDITIONS WITH POOR OVERNIGHT HUMIDITY WILL CREATE 
  POTENTIALLY DANGEROUS FIRE WEATHER CONDITIONS TODAY THROUGH 
  LATE SATURDAY. ISOLATED DRY THUNDERSTORMS MAY ALSO INCREASE 
  FIRE DANGER.

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.

&&

$$

CAZ217-219-220-267-101030-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
SOUTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
CALAVERAS-TUOLUMNE UNIT-
NORTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
NEVADA-YUBA-PLACER-AMADOR AND ELDORADO UNITS-
317 PM PDT FRI SEP 9 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR
DRY LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE
217 219 220 267 BELOW 5000 FEET...

* AFFECTED AREA: FIRE ZONES 217 219 220 AND 267. THESE INCLUDE 
  THE SOUTHERN SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS AND 
  MOTHERLODE LOCATIONS ALONG THE SIERRA NEVADA FOOTHILLS.

* THUNDERSTORMS: THUNDERSTORMS DEVELOPING OVER THE SIERRA COULD
  DRIFT INTO THE FOOTHILLS AND CENTRAL VALLEY THIS EVENING INTO
  SATURDAY. STORMS MAY INITIALLY BE DRY...BUT SHOULD BECOME WETTER
  BY LATE SATURDAY. HOWEVER LIGHTNING STRIKES AWAY FROM RAIN CORES
  AND LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE
  ENVIRONMENT.

* OUTFLOW WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE 
  POSSIBLE NEAR ANY THUNDERSTORMS LATE THIS AFTERNOON THROUGH 
  SATURDAY EVENING.

* IMPACTS: VERY DRY FUELS...DRY LIGHTNING AND LOCALLY GUSTY 
  OUTFLOW WINDS MAY COMBINE TO CREATE A HAZARDOUS FIRE 
  ENVIRONMENT LATE THIS AFTERNOON THROUGH SATURDAY EVENING. 

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.

&&

$$

CAZ221-269-101030-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
317 PM PDT FRI SEP 9 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR
DRY LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE
221 269 BELOW 5000 FEET...

* THUNDERSTORMS: THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE
  SIERRA THIS EVENING AND INTO SATURDAY. STORMS MAY INITIALLY BE
  DRY...BUT SHOULD BECOME WETTER OVER THE WEEKEND. ALSO...
  LIGHTNING STRIKES ARE ALWAYS POSSIBLE AWAY FROM RAIN CORES AND
  COMBINED WITH LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE
  ENVIRONMENT.

* WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE POSSIBLE 
  NEAR ANY THUNDERSTORMS THIS AFTERNOON THROUGH SATURDAY 
  EVENING. IN ADDITION...LOCAL EAST WIND OF 10 TO 20 MPH WITH 
  GUSTS 30 TO 40 MPH ARE POSSIBLE TODAY THROUGH SATURDAY.

* IMPACTS: VERY DRY FUELS...LOW HUMIDITIES...DRY LIGHTNING AND 
  GUSTY WINDS COULD COMBINE TO CREATE A HAZARDOUS FIRE 
  ENVIRONMENT THIS AFTERNOON THROUGH SATURDAY EVENING BELOW 
  5000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$


HTTP://WEATHER.GOV/SACRAMENTO
560 
WWUS86 KSTO 092218 RRA
RFWSTO

URGENT - FIRE WEATHER MESSAGE...DELAYED
NATIONAL WEATHER SERVICE SACRAMENTO CA
318 PM PDT FRI SEP 9 2011

IN ADDITION...GUSTY NORTH TO EAST WIND HAVE DEVELOPED THIS
MORNING OVER PORTIONS OF NORTHERN INTERIOR CALIFORNIA AND WILL
CONTINUE INTO SATURDAY. THESE WINDS COMBINED WITH VERY LOW
HUMIDITIES WILL INCREASE THE FIRE DANGER. THE WIND IS EXPECTED TO
DIMINISH SATURDAY AFTERNOON INTO EVENING.

CAZ218-101045-
/O.EXA.KSTO.FW.W.0002.110909T2200Z-110911T0300Z/
CARQUINEZ STRAIT AND DELTA-
318 PM PDT FRI SEP 9 2011

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT SATURDAY FOR DRY
LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE 218...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM PDT SATURDAY. 

* AFFECTED AREA: FIRE ZONE 218. THIS INCLUDES THE CARQUINEZ STRAIT
  AND DELTA REGION.

* THUNDERSTORMS: THUNDERSTORMS DEVELOPING OVER THE SIERRA COULD
  DRIFT INTO THE CENTRAL VALLEY AND DELTA REGION THIS EVENING AND INTO
  SATURDAY. STORMS MAY INITIALLY BE DRY...BUT SHOULD BECOME WETTER
  BY LATE SATURDAY. HOWEVER LIGHTNING STRIKES AWAY FROM RAIN CORES
  AND LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE
  ENVIRONMENT.

* OUTFLOW WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE 
  POSSIBLE NEAR ANY THUNDERSTORMS LATE THIS AFTERNOON THROUGH 
  SATURDAY EVENING.

* IMPACTS: VERY DRY FUELS...DRY LIGHTNING AND LOCALLY GUSTY
  OUTFLOW WINDS MAY COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  LATE THIS AFTERNOON THROUGH SATURDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

CAZ213-215-216-263-264-266-279-101045-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
318 PM PDT FRI SEP 9 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR
GUSTY WIND AND LOW HUMIDITY WITH ISOLATED DRY THUNDERSTORMS FOR
FIRE ZONES 213 215 216 263 264 266 AND 279...

* AFFECTED AREA: FIRE ZONES 213...215...216... 263...264... 266...
  AND 279. THESE INCLUDE THE NORTHERN AND CENTRAL SACRAMENTO
  VALLEY... THE NORTHEAST SACRAMENTO VALLEY FOOTHILLS... NORTHERN
  SHASTA COUNTY...AND THE MENDOCINO MOUNTAINS FROM SOUTHWEST
  SHASTA COUNTY TO LAKE COUNTY.

* WIND: NORTH WIND 10 TO 20 MPH WITH LOCAL GUSTS TO 30 MPH WILL
  CONTINUE ALONG THE NORTHERN AND WESTERN SACRAMENTO VALLEY AND
  ALONG THE MENDOCINO MOUNTAINS THIS MORNING THROUGH SATURDAY.
  ALONG THE SIERRA NEVADA FOOTHILLS... NORTHEAST WINDS 10 TO 20
  MPH ARE POSSIBLE WITH LOCAL GUSTS 30 T0 40 MPH THROUGH FAVORABLE
  ORIENTED CANYONS.

* HUMIDITY: AFTERNOON RELATIVE HUMIDITY WILL BE IN THE SINGLE 
  DIGITS TO LOWER TEENS. OVERNIGHT HUMIDITY RECOVERY PERCENT 
  WILL ONLY BE IN 20S TO 30S.

* IMPACTS: VERY DRY FUELS...GUSTY NORTH TO NORTHEAST WINDS AND 
  VERY DRY CONDITIONS WITH POOR OVERNIGHT HUMIDITY WILL CREATE 
  POTENTIALLY DANGEROUS FIRE WEATHER CONDITIONS TODAY THROUGH 
  LATE SATURDAY. ISOLATED DRY THUNDERSTORMS MAY ALSO INCREASE 
  FIRE DANGER.

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.

&&

$$

CAZ217-219-220-267-101045-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
SOUTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
CALAVERAS-TUOLUMNE UNIT-
NORTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
NEVADA-YUBA-PLACER-AMADOR AND ELDORADO UNITS-
318 PM PDT FRI SEP 9 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR
DRY LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE
217 219 220 267 BELOW 5000 FEET...

* AFFECTED AREA: FIRE ZONES 217 219 220 AND 267. THESE INCLUDE 
  THE SOUTHERN SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS AND 
  MOTHERLODE LOCATIONS ALONG THE SIERRA NEVADA FOOTHILLS.

* THUNDERSTORMS: THUNDERSTORMS DEVELOPING OVER THE SIERRA COULD
  DRIFT INTO THE FOOTHILLS AND CENTRAL VALLEY THIS EVENING INTO
  SATURDAY. STORMS MAY INITIALLY BE DRY...BUT SHOULD BECOME WETTER
  BY LATE SATURDAY. HOWEVER LIGHTNING STRIKES AWAY FROM RAIN CORES
  AND LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE
  ENVIRONMENT.

* OUTFLOW WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE 
  POSSIBLE NEAR ANY THUNDERSTORMS LATE THIS AFTERNOON THROUGH 
  SATURDAY EVENING.

* IMPACTS: VERY DRY FUELS...DRY LIGHTNING AND LOCALLY GUSTY 
  OUTFLOW WINDS MAY COMBINE TO CREATE A HAZARDOUS FIRE 
  ENVIRONMENT LATE THIS AFTERNOON THROUGH SATURDAY EVENING. 

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.

&&

$$

CAZ221-269-101045-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
318 PM PDT FRI SEP 9 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY FOR
DRY LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE
221 269 BELOW 5000 FEET...

* THUNDERSTORMS: THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE
  SIERRA THIS EVENING AND INTO SATURDAY. STORMS MAY INITIALLY BE
  DRY...BUT SHOULD BECOME WETTER OVER THE WEEKEND. ALSO...
  LIGHTNING STRIKES ARE ALWAYS POSSIBLE AWAY FROM RAIN CORES AND
  COMBINED WITH LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE
  ENVIRONMENT.

* WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE POSSIBLE 
  NEAR ANY THUNDERSTORMS THIS AFTERNOON THROUGH SATURDAY 
  EVENING. IN ADDITION...LOCAL EAST WIND OF 10 TO 20 MPH WITH 
  GUSTS 30 TO 40 MPH ARE POSSIBLE TODAY THROUGH SATURDAY.

* IMPACTS: VERY DRY FUELS...LOW HUMIDITIES...DRY LIGHTNING AND 
  GUSTY WINDS COULD COMBINE TO CREATE A HAZARDOUS FIRE 
  ENVIRONMENT THIS AFTERNOON THROUGH SATURDAY EVENING BELOW 
  5000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$


HTTP://WEATHER.GOV/SACRAMENTO
150 
WWUS86 KSTO 101112
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
412 AM PDT SAT SEP 10 2011

.A LOW PRESSURE SYSTEM CURRENTLY NEAR THE SOUTHERN CALIFORNIA
COAST WILL LINGER THROUGH THE WEEKEND KEEPING A THREAT OF
THUNDERSTORMS. ISOLATED DRY THUNDERSTORMS WILL CONTINUE TO BE
POSSIBLE TODAY. MOST STORM DEVELOPMENT IS EXPECTED OVER THE
SIERRA NEVADA BUT EASTERLY FLOW ALOFT MAY PUSH SOME STORMS INTO
THE FOOTHILLS OR CENTRAL VALLEY. STORMS ARE EXPECTED TO BECOME
WETTER THROUGH THE WEEKEND...HOWEVER LIGHTNING STRIKES ARE ALWAYS
POSSIBLE AWAY FROM RAIN CORES.

IN ADDITION...GUSTY NORTH TO NORTHEAST WIND WILL CONTINUE THIS
MORNING OVER PORTIONS OF THE NORTHERN AND COASTAL MOUNTAINS...
NORTHERN AND NORTHWESTERN SACRAMENTO VALLEY...AND FOOTHILLS AND
WEST SLOPES OF THE SIERRA NEVADA. THIS COMBINED WITH VERY LOW
HUMIDITIES WILL INCREASE THE FIRE DANGER. THE WIND IS EXPECTED TO
DIMINISH THIS AFTERNOON.

CAZ218-101215-
/O.CAN.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
CARQUINEZ STRAIT AND DELTA-
412 AM PDT SAT SEP 10 2011

...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS WITH GUSTY
WINDS AND LOW HUMIDITY FOR FIRE ZONE 218...

WINDS HAVE DIMINISHED AND THE THREAT OF DRY THUNDERSTORMS HAVE
DECREASED...THUS THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS
CANCELLED THE RED FLAG WARNING.

$$

CAZ213-215-216-263-264-266-279-102300-
/O.EXT.KSTO.FW.W.0002.000000T0000Z-110911T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
412 AM PDT SAT SEP 10 2011

...RED FLAG WARNING NOW IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON
FOR GUSTY WIND AND LOW HUMIDITY AND ISOLATED DRY THUNDERSTORMS
FOR FIRE ZONES 213 215 216 263 264 266 AND 279...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON. 

* AFFECTED AREA: FIRE ZONES 213...215...216... 263...264...
  266...AND 279. THESE INCLUDE THE NORTHERN AND CENTRAL SACRAMENTO
  VALLEY...THE NORTHEAST SACRAMENTO VALLEY FOOTHILLS...NORTHERN
  SHASTA COUNTY...AND THE MENDOCINO MOUNTAINS FROM SOUTHWEST
  SHASTA COUNTY TO LAKE COUNTY.

* WIND: NORTH WIND 10 TO 20 MPH WITH LOCAL GUSTS TO 30 MPH WILL
  CONTINUE ALONG THE NORTHERN AND WESTERN SACRAMENTO VALLEY AND
  ALONG THE MENDOCINO MOUNTAINS THIS MORNING. ALONG THE SIERRA
  NEVADA FOOTHILLS...NORTHEAST WINDS 10 TO 20 MPH ARE POSSIBLE
  WITH LOCAL GUSTS 30 T0 40 MPH THROUGH FAVORABLE ORIENTED
  CANYONS. WINDS ARE EXPECTED TO DECREASE THIS AFTERNOON.

* HUMIDITY: AFTERNOON RELATIVE HUMIDITY WILL BE IN THE SINGLE
  DIGITS TO LOWER TEENS. 

* IMPACTS: VERY DRY FUELS...GUSTY NORTH TO NORTHEAST WIND...VERY
  DRY CONDITIONS...AND POSSIBLE ISOLATED DRY THUNDERSTORMS WILL
  CREATE POTENTIALLY DANGEROUS FIRE WEATHER CONDITIONS TODAY.

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.

&&

$$

CAZ217-219-220-267-102300-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
SOUTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
CALAVERAS-TUOLUMNE UNIT-
NORTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
NEVADA-YUBA-PLACER-AMADOR AND ELDORADO UNITS-
412 AM PDT SAT SEP 10 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR DRY THUNDERSTORMS FOR FIRE ZONE 217 219 220 267 BELOW 5000 FEET...

* AFFECTED AREA: FIRE ZONES 217 219 220 AND 267. THESE INCLUDE 
  THE SOUTHERN SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS AND 
  MOTHERLODE LOCATIONS ALONG THE SIERRA NEVADA FOOTHILLS.

* THUNDERSTORMS: THUNDERSTORMS DEVELOPING OVER THE SIERRA COULD
  DRIFT INTO THE FOOTHILLS AND CENTRAL VALLEY AGAIN TODAY. STORMS
  MAY INITIALLY BE DRY...BUT SHOULD BECOME WETTER BY LATE
  SATURDAY. HOWEVER LIGHTNING STRIKES AWAY FROM RAIN CORES AND
  LOCALLY GUSTY WINDS COULD CAUSE A HAZARDOUS FIRE ENVIRONMENT.

* OUTFLOW WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE
  POSSIBLE NEAR ANY THUNDERSTORMS.

* IMPACTS: VERY DRY FUELS...DRY THUNDERSTORMS AND LOCALLY GUSTY
  OUTFLOW WINDS MAY COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  LATE THIS AFTERNOON THROUGH SATURDAY EVENING.

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.

&&

$$

CAZ221-269-102300-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
412 AM PDT SAT SEP 10 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR DRY LIGHTNING WITH GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONE
221 269 BELOW 5000 FEET...

* THUNDERSTORMS: THUNDERSTORMS WILL CONTINUE OVER THE SIERRA
  TODAY. STORMS MAY INITIALLY BE DRY...BUT SHOULD BECOME WETTER
  OVER THE WEEKEND. ALSO...LIGHTNING STRIKES ARE ALWAYS POSSIBLE
  AWAY FROM RAIN CORES AND COMBINED WITH LOCALLY GUSTY WINDS COULD
  CAUSE A HAZARDOUS FIRE ENVIRONMENT.

* WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE POSSIBLE
  NEAR ANY THUNDERSTORMS THIS AFTERNOON THROUGH SATURDAY EVENING.
  IN ADDITION...LOCAL EAST WIND OF 10 TO 20 MPH WITH GUSTS 30 TO
  40 MPH ARE POSSIBLE TODAY.

* IMPACTS: VERY DRY FUELS...LOW HUMIDITIES...DRY THUNDERSTORMS AND
  GUSTY WINDS COULD COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  THIS AFTERNOON THROUGH SATURDAY EVENING BELOW 5000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$


HTTP://WEATHER.GOV/SACRAMENTO
319 
WWUS86 KSTO 102151
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
251 PM PDT SAT SEP 10 2011

A LOW PRESSURE SYSTEM CURRENTLY CENTERED BY THE SOUTHERN
CALIFORNIA COAST WILL LINGER THROUGH THE REST OF THE WEEKEND
MAINTAINING A THREAT OF THUNDERSTORMS. ISOLATED DRY THUNDERSTORMS WILL
CONTINUE TO BE POSSIBLE INTO EARLY THIS EVENING. STORM DEVELOPMENT
IS CURRENTLY OVER THE HIGHER SIERRA NEVADA BUT EASTERLY FLOW ALOFT
MAY PUSH SOME STORMS INTO THE FOOTHILLS OR CENTRAL VALLEY. STORMS
ARE EXPECTED TO BECOME WETTER LATER THIS EVENING AND CONTINUE THROUGH
THE WEEKEND...HOWEVER LIGHTNING STRIKES ARE ALWAYS POSSIBLE AWAY
FROM RAIN CORES.

CAZ213-215-216-263-264-266-279-102300-
/O.CAN.KSTO.FW.W.0002.000000T0000Z-110911T0000Z/
EASTERN PORTION OF SHASTA/TRINITY NF-
NORTHERN SACRAMENTO VALLEY TO SOUTHERN TEHAMA COUNTY LINE BELOW
1000 FT-
CENTRAL SACRAMENTO VALLEY IN GLENN, COLUSA, YUBA, NORTHERN
SUTTER, AND BUTTE COUNTY BELOW 1000 FT-SOUTHEAST EDGE SHASTA-
TRINITY NF AND WESTERN PORTIONS OF TEHAMA-GLENN UNIT-
LAKE COUNTY PORTION OF LAKE-NAPA-SONOMA UNIT-
NORTHERN SIERRA FOOTHILLS FROM 1000 TO 3000 FT. INCLUDES PORTIONS
OF SHASTA-TRINITY AND BUTTE UNITS-EASTERN MENDOCINO NF-
251 PM PDT SAT SEP 10 2011

...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS AND GUSTY
OUTFLOW WINDS FOR FIRE ZONES 213...215...216...263...264...
266 AND 279...

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS CANCELLED THE RED
FLAG WARNING. 

WIND SPEEDS HAVE DIMINISHED SIGNIFICANTLY SO THE RED FLAG WARNING
HAS BEEN CANCELLED.

$$

CAZ217-219-220-267-110300-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
SOUTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
CALAVERAS-TUOLUMNE UNIT-
NORTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
NEVADA-YUBA-PLACER-AMADOR AND ELDORADO UNITS-
251 PM PDT SAT SEP 10 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE ZONES
217...219...220 AND 267...

* AFFECTED AREA: IN CALIFORNIA...FIRE ZONE 217 SOUTHERN 
  SACRAMENTO VALLEY IN YOLO-SACRAMENTO FAR WESTERN PLACER, 
  SOUTHERN SUTTER AND SOLANO COUNTY BELOW 1000 FT...FIRE ZONE 
  219 NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS 
  COUNTIES BELOW 1000 FT...FIRE ZONE 220 SOUTHERN MOTHERLODE 
  FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF CALAVERAS-TUOLUMNE 
  UNIT...FIRE ZONE 267 NORTHERN MOTHERLODE FROM 1000 TO 3000 
  FT. INCLUDES PORTIONS OF NEVADA-YUBA-PLACER-AMADOR AND 
  ELDORADO UNITS. 

* THUNDERSTORMS: THUNDERSTORMS DEVELOPING OVER THE SIERRA COULD
  DRIFT INTO THE FOOTHILLS AND CENTRAL VALLEY THROUGH TONIGHT. STORMS
  MAY INITIALLY BE DRY...BUT ANY STORMS THAT FORM SHOULD BECOME
  WETTER BY LATER THIS EVENING. IN SPITE OF THIS LIGHTNING STRIKES
  AWAY FROM RAIN CORES AND LOCALLY GUSTY WINDS COULD CAUSE A
  HAZARDOUS FIRE ENVIRONMENT.

* OUTFLOW WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE 
  POSSIBLE NEAR ANY THUNDERSTORMS THAT FORM.

* IMPACTS: VERY DRY FUELS...DRY THUNDERSTORMS AND LOCALLY GUSTY
  OUTFLOW WINDS MAY COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  LATE THIS AFTERNOON THROUGH THIS EVENING.

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.

&&

$$

CAZ221-269-110300-
/O.CON.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
251 PM PDT SAT SEP 10 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE ZONES
221 AND 269 BELOW 5000 FEET...

* THUNDERSTORMS: THUNDERSTORMS WILL CONTINUE OVER THE SIERRA INTO
  THE TONIGHT. STORMS MAY INITIALLY BE DRY...BUT SHOULD BECOME
  WETTER LATER TONIGHT. ALSO...LIGHTNING STRIKES ARE ALWAYS
  POSSIBLE AWAY FROM RAIN CORES AND COMBINED WITH LOCALLY GUSTY
  WINDS COULD CAUSE A HAZARDOUS FIRE ENVIRONMENT.

* WINDS: GUSTY AND ERRATIC WIND GUSTS UP TO 30 MPH ARE POSSIBLE
  NEAR ANY THUNDERSTORMS THROUGH THIS EVENING. IN ADDITION...LOCAL
  EAST WIND OF 10 TO 20 MPH WITH GUSTS 30 TO 40 MPH ARE POSSIBLE
  WITH ANY STORMS THAT FORM.

* IMPACTS: VERY DRY FUELS...LOW HUMIDITIES...DRY THUNDERSTORMS AND
  GUSTY WINDS COULD COMBINE TO CREATE A HAZARDOUS FIRE ENVIRONMENT
  THROUGH THIS EVENING BELOW 5000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF DRY
LIGHTNING...STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM
TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$


HTTP://WEATHER.GOV/SACRAMENTO
302 
WWUS86 KSTO 110256
RFWSTO

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SACRAMENTO CA
756 PM PDT SAT SEP 10 2011

CAZ217-219>221-267-269-110400-
/O.CAN.KSTO.FW.W.0002.000000T0000Z-110911T0300Z/
SOUTHERN SACRAMENTO VALLEY IN YOLO-
SACRAMENTO FAR WESTERN PLACER, SOUTHERN SUTTER AND SOLANO COUNTY
BELOW 1000 FT-
NORTHERN SAN JOAQUIN VALLEY IN SAN JOAQUIN AND STANISLAUS
COUNTIES BELOW 1000 FT-
SOUTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
CALAVERAS-TUOLUMNE UNIT-STANISLAUS NF WEST OF THE SIERRA CREST-
NORTHERN MOTHERLODE FROM 1000 TO 3000 FT. INCLUDES PORTIONS OF
NEVADA-YUBA-PLACER-AMADOR AND ELDORADO UNITS-
NORTHERN SIERRA INCLUDING THE TAHOE AND ELDORADO NF/S WEST OF THE
SIERRA CREST-
756 PM PDT SAT SEP 10 2011

...RED FLAG WARNING IS CANCELLED FOR DRY THUNDERSTORMS AND GUSTY
OUTFLOW WINDS FOR FIRE WEATHER ZONES 217...219...220...221...267
...269.

THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS CANCELLED THE RED
FLAG WARNING FOR THE SOUTHERN SACRAMENTO VALLEY...NORTHERN SAN
JOAQUIN VALLEY...MOTHERLODE AND NORTHERN SIERRA NEVADA. 

THUNDERSTORMS HAVE DIMINISHED OVER THE AREA. 

$$
JHM

HTTP://WEATHER.GOV/SACRAMENTO

The office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 9, 4:41 PM PDTSpecial Weather StatementSTOSan Joaquin64 min

Nearby

Red Flag Warnings in California, 2011Every red flag warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.