Alert archive / California / Red Flag Warnings in 2007

Red Flag Warning 4, NWS Hanford, CA

September 14, 2007

NWS Hanford, CA issued this red flag warning at Sep 14, 2007, 6:30 AM PDT. It was in force for 38 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 14, 2007, 6:30 AM PDT (13:30 UTC)
Expired
Sep 15, 2007, 8:00 PM PDT
In force
38 hr
Issued by
NWS Hanford, CA

The text

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

000 
WWUS86 KHNX 141330
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
630 AM PDT FRI SEP 14 2007

CAZ295-297-142130-
/O.NEW.KHNX.FW.W.0004.070914T1330Z-070915T0300Z/
/O.NEW.KHNX.FW.A.0002.070915T0300Z-070915T1500Z/
KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-
630 AM PDT FRI SEP 14 2007

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING...FIRE
WEATHER WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING FOR THE TULARE AND KERN COUNTY MOUNTAINS AT AND ABOVE 
7000 FEET...

THE NATIONAL WEATHER SERVICE IN HANFORD HAS ISSUED A RED FLAG
WARNING FOR THE TULARE AND KERN COUNTY MOUNTAINS AT AND ABOVE
7000 FEET UNTIL 8 PM PDT THIS EVENING. A FIRE WEATHER WATCH HAS
ALSO BEEN ISSUED FOR THE SAME AREAS FROM THIS EVENING INTO SATURDAY
MORNING.

RELATIVE HUMIDITIES ARE CURRENTLY IN THE SINGLE DIGITS AT MANY
LOCATIONS ABOVE 7000 FEET IN THE TULARE AND KERN COUNTY MOUNTAINS
AND WILL REMAIN VERY LOW THROUGH THIS AFTERNOON. IN ADDITION...
LOCALLY GUSTY WINDS WILL OCCUR OVER THE RIDGES TODAY. THERE IS A
POSSIBILITY THAT RED FLAG CONDITIONS WILL PERSIST IN THESE AREAS
OVERNIGHT INTO THE POST DAWN HOURS SATURDAY.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
LOCALLY STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS
WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE
APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG
WARNING.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. PLEASE ADVISE THE APPROPRIATE FIRE
OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS FIRE WEATHER WATCH.
LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS.

$$
DURFEE

WEATHER.GOV/HANFORD
6 follow-up statements
000 
WWUS86 KHNX 142128
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
228 PM PDT FRI SEP 14 2007

CAZ295-297-150530-
/O.UPG.KHNX.FW.A.0002.070915T0300Z-070915T1500Z/
/O.EXT.KHNX.FW.W.0004.000000T0000Z-070916T0300Z/
KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-
228 PM PDT FRI SEP 14 2007

...RED FLAG WARNING NOW IN EFFECT UNTIL 8 PM PDT SATURDAY
FOR THE TULARE AND KERN COUNTY MOUNTAINS EAST OF TEHACHAPI 
AT AND ABOVE 7000 FEET FOR AN EXTENDED PERIOD OF VERY LOW
RELATIVE HUMIDITY...

THE RED FLAG WARNING FOR THE TULARE AND KERN COUNTY MOUNTAINS FOR
AN EXTENDED PERIOD OF VERY LOW RELATIVE HUMIDITY IS NOW IN EFFECT
UNTIL 8 PM PDT SATURDAY. THE FIRE WEATHER WATCH FOR THE TULARE AND
KERN COUNTY MOUNTAINS IS NO LONGER IN EFFECT.

RELATIVE HUMIDITIES CONTINUE TO BE IN THE SINGLE DIGITS AT MANY
LOCATIONS ABOVE 7000 FEET IN THE SEQUOIA NATIONAL FOREST AND THE
SOUTHERN PORTION OF SEQUOIA NATIONAL PARK. ALTHOUGH HUMIDITY WILL
RECOVER SLIGHTLY DURING THE NIGHT...HUMIDITIES ARE EXPECTED TO
DROP BACK INTO THE SINGLE DIGITS BY SATURDAY MORNING AND REMAIN
VERY LOW THROUGH SATURDAY AFTERNOON. IN ADDITION...LOCALLY GUSTY
WINDS WILL OCCUR OVER THE RIDGES.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF LOCALLY
STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE APPROPRIATE
OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.


$$

BEAN

WEATHER.GOV/HANFORD
000 
WWUS86 KHNX 150520
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
1020 PM PDT FRI SEP 14 2007

CAZ295-297-151330-
/O.CON.KHNX.FW.W.0004.000000T0000Z-070916T0300Z/
KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-
1020 PM PDT FRI SEP 14 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY
FOR THE TULARE AND KERN COUNTY MOUNTAINS EAST OF TEHACHAPI 
AT AND ABOVE 7000 FEET FOR AN EXTENDED PERIOD OF VERY LOW
RELATIVE...

THE RED FLAG WARNING FOR THE TULARE AND KERN COUNTY MOUNTAINS FOR
AN EXTENDED PERIOD OF VERY LOW RELATIVE HUMIDITY IS NOW IN EFFECT
UNTIL 8 PM PDT SATURDAY. THE FIRE WEATHER WATCH FOR THE TULARE AND
KERN COUNTY MOUNTAINS IS NO LONGER IN EFFECT.

RELATIVE HUMIDITIES CONTINUE TO BE IN THE SINGLE DIGITS AT MANY
LOCATIONS ABOVE 7000 FEET IN THE SEQUOIA NATIONAL FOREST AND THE
SOUTHERN PORTION OF SEQUOIA NATIONAL PARK. ALTHOUGH HUMIDITY WILL
RECOVER SLIGHTLY DURING THE NIGHT...HUMIDITIES ARE EXPECTED TO
DROP BACK INTO THE SINGLE DIGITS BY SATURDAY MORNING AND REMAIN
VERY LOW THROUGH SATURDAY AFTERNOON. IN ADDITION...LOCALLY GUSTY
WINDS WILL OCCUR OVER THE RIDGES.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
LOCALLY STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE
APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG
WARNING.

$$
BEAN/DUDLEY

WEATHER.GOV/HANFORD
000 
WWUS86 KHNX 150711 CCA
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
1020 PM PDT FRI SEP 14 2007

CAZ295-297-151330-
/O.CON.KHNX.FW.W.0004.000000T0000Z-070916T0300Z/
KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-
1020 PM PDT FRI SEP 14 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT SATURDAY
FOR THE TULARE AND KERN COUNTY MOUNTAINS EAST OF TEHACHAPI 
AT AND ABOVE 7000 FEET FOR AN EXTENDED PERIOD OF VERY LOW
RELATIVE HUMIDITIES...

THE RED FLAG WARNING FOR THE TULARE AND KERN COUNTY MOUNTAINS FOR
AN EXTENDED PERIOD OF VERY LOW RELATIVE HUMIDITY IS NOW IN EFFECT
UNTIL 8 PM PDT SATURDAY. THE FIRE WEATHER WATCH FOR THE TULARE AND
KERN COUNTY MOUNTAINS IS NO LONGER IN EFFECT.

RELATIVE HUMIDITIES CONTINUE TO BE IN THE SINGLE DIGITS AT MANY
LOCATIONS ABOVE 7000 FEET IN THE SEQUOIA NATIONAL FOREST AND THE
SOUTHERN PORTION OF SEQUOIA NATIONAL PARK. ALTHOUGH HUMIDITY WILL
RECOVER SLIGHTLY DURING THE NIGHT...HUMIDITIES ARE EXPECTED TO
DROP BACK INTO THE SINGLE DIGITS BY SATURDAY MORNING AND REMAIN
VERY LOW THROUGH SATURDAY AFTERNOON. IN ADDITION...LOCALLY GUSTY
WINDS WILL OCCUR OVER THE RIDGES.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
LOCALLY STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE
APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG
WARNING.

$$
BEAN/DUDLEY

WEATHER.GOV/HANFORD
000 
WWUS86 KHNX 151302
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
602 AM PDT SAT SEP 15 2007

CAZ295-297-152115-
/O.CON.KHNX.FW.W.0004.000000T0000Z-070916T0300Z/
KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-
602 AM PDT SAT SEP 15 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR VERY LOW HUMIDITIES AT AND ABOVE 7000 FEET IN THE TULARE AND KERN 
COUNTY MOUNTAINS EAST OF TEHACHAPI...

RELATIVE HUMIDITIES WILL REMAIN IN THE SINGLE DIGITS AT MOST
ELEVATIONS ABOVE 7000 FEET TODAY IN THE SEQUOIA NATIONAL FOREST
AND THE SOUTHERN PORTION OF SEQUOIA NATIONAL PARK. IN ADDITION...
LOCALLY GUSTY WINDS WILL OCCUR OVER THE RIDGES.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
LOCALLY STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE
APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG
WARNING.

$$
DURFEE

WEATHER.GOV/HANFORD
000 
WWUS86 KHNX 152116
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
216 PM PDT SAT SEP 15 2007

CAZ295-297-160300-
/O.CON.KHNX.FW.W.0004.000000T0000Z-070916T0300Z/
KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-
216 PM PDT SAT SEP 15 2007

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR THE TULARE AND KERN COUNTY MOUNTAINS ABOVE 7000 FEET...

A RED FLAG WARNING FOR THE TULARE AND KERN COUNTY MOUNTAINS
REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...FOR RELATIVE
HUMIDITIES BELOW 10 PERCENT AT AND ABOVE 7000 FEET.

VERY LOW HUMIDITIES IN HIGHER ELEVATIONS OF THE SOUTHERN SIERRA
NEVADA WILL CONTINUE INTO THIS EVENING FROM SEQUOIA PARK SOUTH
INTO NORTHERN KERN COUNTY. HUMIDITIES HOWEVER WERE SHOWING SOME
INCREASE TODAY...AND ARE EXPECTED TO CONTINUE A SLOW RISE
TONIGHT LESSENING CRITICAL FIRE WEATHER CONDITIONS.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
LOCALLY STRONG WINDS...LOW RELATIVE HUMIDITY...AND DRY FUELS WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. PLEASE ADVISE THE
APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THIS RED FLAG
WARNING.

$$

BINGHAM
WEATHER.GOV/HANFORD
000 
WWUS86 KHNX 160255
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
755 PM PDT SAT SEP 15 2007

CAZ295-297-160400-
/O.EXP.KHNX.FW.W.0004.000000T0000Z-070916T0300Z/
KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-
755 PM PDT SAT SEP 15 2007

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING
FOR THE TULARE AND KERN COUNTY MOUNTAINS...

THE RED FLAG WARNING FOR THE TULARE AND KERN COUNTY MOUNTAINS
WILL EXPIRE AT 8 PM PDT THIS EVENING. RELATIVE HUMIDITIES
THROUGHOUT THESE AREAS HAVE RISEN ABOVE 10 PERCENT...AND WIND
GUSTS HAVE BEEN GENERALLY LESS THAN 25 MPH.

$$

DS

WEATHER.GOV/HANFORD

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hanford, CA wrote its last area forecast discussion before this red flag warning went out at Sep 14, 3:00 AM PDT, 3 hours 30 minutes earlier.

Area forecast discussion, Sep 14, 3:00 AM PDT, 3 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
300 AM PDT FRI SEP 14 2007

.DISCUSSION...
THE LOW-LEVEL JET OVER THE SAN JOAQUIN VALLEY HAS RESULTED IN THE
DEVELOPMENT OF UPSLOPE STRATOCUMULUS CLOUDS OVER THE SOUTH END OF
THE SAN JOAQUIN VALLEY. AT 07Z...BAKERSFIELD WAS BROKEN AT 6000 FEET
AND PORTERVILLE WAS SCATTERED AT 5500 FEET. SATELLITE LOOPS SHOW THE
CLOUDS EXTENDING AS FAR NORTH AS TULARE AND CORCORAN...AND LIKELY
WILL DRIFT OVER HANFORD AND VISALIA AT TIMES THIS MORNING. HAVE
INCREASED THE SKY COVER OVER THE SOUTH END OF THE SAN JOAQUIN VALLEY
TO MOSTLY CLOUDY THROUGH 18Z...AS WELL AS OVER THE VALLEY-FACING
SLOPES OF THE KERN COUNTY MOUNTAINS.

THE MARINE AIR PUSH INTO THE SAN JOAQUIN VALLEY LATE WEDNESDAY
THROUGH THURSDAY BROUGHT STRONG COOLING TO THE REGION. HIGH
TEMPERATURES THURSDAY IN THE CENTRAL AND SOUTHERN SAN JOAQUIN VALLEY
WERE DOWN AS MUCH AS 15 DEGREES FROM WEDNESDAY/S HIGHS...AS WERE THE
SIERRA NEVADA FOOTHILLS AND YOSEMITE VALLEY. EVEN STRONGER COOLING
OCCURRED IN THE KERN COUNTY MOUNTAINS...WHERE TEMPERATURES WERE DOWN
17-19 DEGREES. IN THE CENTRAL AND SOUTHERN SAN JOAQUIN VALLEY...THE
MARINE AIR POOL RESULTED IN A FAIRLY ISOTHERMAL LAYER WITH HIGHS
BETWEEN 79-81 DEGREES AT ALL REPORTING STATIONS EXCEPT COALINGA
/WHICH WAS SLIGHTLY WARMER AT 83/.

THE UPPER-LEVEL LOW IS FORECAST TO MOVE ONSHORE NEAR THE CALIFORNIA-
OREGON BORDER THIS MORNING...WITH THE MAIN TROUGH NOT MOVING INTO
CENTRAL CALIFORNIA UNTIL SUNDAY. THIS WILL KEEP A COOL AND DRY
PATTERN IN PLACE THROUGH THE WEEKEND WITH TEMPERATURES REMAINING
BELOW NORMAL.

THE NEXT TROUGH IS FORECAST TO DROP OUT OF THE GULF OF ALASKA SUNDAY
NIGHT...EJECTING THE TROUGH OVER CALIFORNIA INTO THE ROCKY MOUNTAINS
MONDAY. THE DGEX AND GFS HAVE STRONGER HEIGHT RECOVERIES MONDAY THAN
THE ECMWF OR UKMET...BUT DO NOT EXPECT MUCH WARMING AS ALL THE
MEDIUM-RANGE MODELS NOW ARE IN BETTER AGREEMENT WITH THE NEXT TROUGH
MOVING INTO CALIFORNIA TUESDAY NIGHT/WEDNESDAY MORNING AND REMAINING
OVER THE STATE INTO THURSDAY. THE MODELS DEVELOP A CLOSED LOW IN THE
TROUGH THURSDAY...BUT THERE IS NO AGREEMENT AMONG THE MODELS ON THE
PLACEMENT OF THE LOW. THE CURRENT FORECAST HAS TEMPERATURES WARMING
TO NEAR NORMAL TUESDAY AHEAD OF THE NEXT TROUGH...THEN COOLING
WEDNESDAY AND THURSDAY AS THE TROUGH MOVES INTO THE HANFORD WARNING/
FORECAST AREA. DO NOT PLAN ANY CHANGES TO THIS SCENARIO.

WITH THE MODELS PLACING A CLOSED LOW OVER CALIFORNIA OR NEVADA
THURSDAY...ONE CONCERN IS THE POTENTIAL FOR INSTABILITY FOR ANY
SHOWERS AND THUNDERSTORMS. HOWEVER...THE WIDE DIVERGENCE IN MODEL
SOLUTIONS RAISES ENOUGH UNCERTAINTY TO LEAVE THURSDAY DRY FOR NOW.
HOPEFULLY THE NEXT FEW MODEL RUNS WILL BE IN BETTER AGREEMENT.

&&

.AVIATION...
VFR CONDITIONS WILL PREVAIL ACROSS THE CENTRAL CALIFORNIA INTERIOR
THROUGH 12Z SATURDAY.

FOR SPECIFIC DETAILS...PLEASE REFER TO THE TAFS FOR KMCE...KFAT AND
KBFL...AND TWEB ROUTES 421 AND 423.

&&

.AIR QUALITY ISSUES...
NONE.

&&

.HNX WATCHES/WARNINGS/ADVISORIES...
NONE.

&&

SANGER/DURFEE

WEATHER.GOV/HANFORD
Hazardous weather outlook, Sep 14, 6:19 AM PDT, 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
619 AM PDT FRI SEP 14 2007

CAZ095-097-151200-
KERN COUNTY MOUNTAINS-TULARE COUNTY MOUNTAINS-
619 AM PDT FRI SEP 14 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TULARE AND KERN COUNTY
MOUNTAINS.

.DAY ONE...TODAY AND TONIGHT

A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM THIS EVENING FOR THE KERN
COUNTY AND TULARE COUNTY MOUNTAINS AT AND ABOVE 7000 FEET. A FIRE
WEATHER WATCH IS IN EFFECT FROM 8 PM THIS EVENING UNTIL 8 AM
SATURDAY MORNING FOR THE KERN COUNTY AND TULARE COUNTY MOUNTAINS
AT AND ABOVE 7000 FEET.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A FIRE WEATHER WATCH IS IN EFFECT UNTIL 8 AM SATURDAY MORNING FOR
THE KERN COUNTY AND TULARE COUNTY MOUNTAINS AT AND ABOVE 7000
FEET. OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS TO THE SAN JOAQUIN VALLEY NATIONAL WEATHER SERVICE
OFFICE.

SANGER

WEATHER.GOV/HANFORD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 6:30 AM PDTFire Weather WatchHNX8 hr

Nearby

Red Flag Warnings in California, 2007Every red flag warning in 2007

Sources

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