Alert archive / California / Red Flag Warnings in 2008

Red Flag Warning 2, NWS Hanford, CA

September 15, 2008

NWS Hanford, CA issued this red flag warning at Sep 15, 2008, 8:45 AM PDT. It was in force for 10 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 15, 2008, 8:45 AM PDT (15:45 UTC)
Expired
Sep 15, 2008, 7:00 PM PDT
In force
10 hr
Issued by
NWS Hanford, CA

The text

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

000 
WWUS86 KHNX 151545
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
845 AM PDT MON SEP 15 2008

CAZ295>297-160200-
/O.NEW.KHNX.FW.W.0002.080915T1545Z-080916T0200Z/
KERN COUNTY MOUNTAINS-
SIERRA NEVADA FROM YOSEMITE TO KINGS CANYON NATIONAL PARK-
TULARE COUNTY MOUNTAINS-
845 AM PDT MON SEP 15 2008

...RED FLAG WARNING FOR LOW RELATIVE HUMIDITY IN EFFECT UNTIL 7
PM PDT THIS EVENING FOR THE KERN COUNTY MOUNTAINS AND THE SOUTHERN
SIERRA NEVADA...

THE NATIONAL WEATHER SERVICE IN HANFORD HAS ISSUED A RED FLAG
WARNING FOR LOW RELATIVE HUMIDITY FOR THE KERN COUNTY MOUNTAINS
AND THE SOUTHERN SIERRA NEVADA...WHICH IS IN EFFECT UNTIL 7 PM PDT
THIS EVENING.

STRONG HIGH PRESSURE WILL REMAIN OVER THE DISTRICT TODAY AND VERY
DRY AIR WILL PERSIST. OVERNIGHT RELATIVE HUMIDITY RECOVERIES WERE
POOR AND TRENDS THIS MORNING ARE LOWER. GIVEN THIS SCENARIO...MANY
LOCATIONS WILL EXPERIENCE 10 OR MORE HOURS OF SINGLE DIGIT RELATIVE
HUMIDITY THROUGH THE AFTERNOON AND INTO THE EARLY EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
LOW RELATIVE HUMIDITY...WARM TEMPERATURES 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.

$$

DUDLEY/BEAN
WEATHER.GOV/HANFORD
1 follow-up statement
000 
WWUS86 KHNX 160200
RFWHNX

RED FLAG WARNING
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
700 PM PDT MON SEP 15 2008

CAZ295>297-160300-
/O.CAN.KHNX.FW.W.0002.000000T0000Z-080916T0200Z/
KERN COUNTY MOUNTAINS-
SIERRA NEVADA FROM YOSEMITE TO KINGS CANYON NATIONAL PARK-
TULARE COUNTY MOUNTAINS-
700 PM PDT MON SEP 15 2008

...RED FLAG WARNING IS CANCELLED FOR THE TEHACHAPI MOUNTAINS AND
THE SOUTHERN SIERRA NEVADA DUE TO RISING HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN HANFORD HAS CANCELLED THE RED
FLAG WARNING FOR THE TEHACHAPI MOUNTAINS AND THE SOUTHERN SIERRA
NEVADA.

RELATIVE HUMIDITIES IN THE SOUTHERN SIERRA NEVADA AND THE
TEHACHAPI MOUNTAINS HAVE BEGUN TO RECOVER AS THE SUN SETS AND
TEMPERATURES COOL. RELATIVE HUMIDITIES AT MOST MOUNTAIN SITES HAVE
RISEN ABOVE 10 PERCENT.

$$

SANGER

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 15, 3:47 AM PDT, 4 hours 58 minutes earlier.

Area forecast discussion, Sep 15, 3:47 AM PDT, 4 hours 58 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY - HANFORD CA
347 AM PDT MON SEP 15 2008

.DISCUSSION...EXPECT A FEW MORE DEGREES OF WARMING TODAY AS
THICKNESSES AND 850 MB TEMPERATURES INCREASE AHEAD OF A WEAK
UPPER LOW APPROACHING THE NORTHERN/CENTRAL CALIFORNIA COAST.
TUESDAY WILL SEE THE BEGINNING OF A COOLING TREND AS THE UPPER
LOW MOVES INLAND. MODELS SUGGEST THAT THERE WILL BE SUFFICIENT
INSTABILITY ALONG WITH SOME MOISTURE DRAWN NORTHWARD AROUND THE
LOW TO INITIATE ISOLATED AFTERNOON AND EVENING CONVECTION OVER
THE MOUNTAIN AND DESERT ZONES TUESDAY. ADDITIONAL ISOLATED
CONVECTION CAN NOT BE RULED OUT WEDNESDAY BEFORE A STRONGER LOW
PRESSURE SYSTEM APPROACHING THE REGION PUSHES MOISTURE EAST OF THE
DISTRICT. ADDITIONAL COOLING WILL OCCUR DURING THE SECOND HALF OF
THE WEEK AS THE FRONTAL SYSTEM PUSHES THROUGH...WITH TEMPERATURES
LOWERING TO A FEW DEGREES BELOW CLIMO BY FRIDAY. TEMPERATURES WILL
THEN RECOVER TO AROUND NORMAL INTO THE FIRST PART OF NEXT WEEK AS
HIGH PRESSURE REBUILDS BEHIND THE EXITING TROUGH.

&&

.AVIATION...LOCAL MVFR IN FU LYRS SFC AND ALOFT DUE TO SEVERAL
WILDFIRES IN THE SRN SIERRA. OTHERWISE VFR CONDITIONS ACROSS THE
CENTRAL CA INTERIOR THROUGH 12Z TUESDAY.

&&

.AIR QUALITY ISSUES...
PLEASE SEE SFOAQAHNX

&&

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

PUBLIC...JEB
AVN/FW...MV

WEATHER.GOV/HANFORD

Nearby

Red Flag Warnings in California, 2008Every red flag warning in 2008

Sources

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