Alert archive / California / Red Flag Warnings in 2012

Red Flag Warning 3, NWS San Diego, CA

January 27, 20124 counties in California

NWS San Diego, CA issued this red flag warning at Jan 27, 2012, 10:36 AM PST for 4 counties in California. It took effect at Jan 28, 2012, 2:00 AM PST. It was in force for 32 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 27, 2012, 10:36 AM PST (18:36 UTC)
In effect from
Jan 28, 2012, 2:00 AM PST
Expired
Jan 29, 2012, 10:00 AM PST
In force
32 hr
Issued by
NWS San Diego, CA

Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 18:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jan 28, 5:51 AM PSTNON-TSTM WND GST 82Fremont Canyon, CAFREMONT CANYON RAWS RECORDED HIGH WIND GUSTS OF 58 MPH OR GREATER FROM 751 AM ON 1/27 TO 751 AM ON 1/28. A PEAK WIND GUST OF 82 MPH WAS RECORDED AT 551 AM ON 1/28.
Jan 28, 9:30 AM PSTNON-TSTM WND GST 595 Ese Cuyamaca Peak, CALUCKY FIVE MESONET RECORDED A WIND GUST OF 59 MPH AT 930 AM PST AND 58 MPH AT 1150 AM PST.
Jan 28, 10:43 AM PSTNON-TSTM WND GST 631 Sw Crestline, CACRESTLINE RIDGE MESONET RECORDED WIND GUSTS OF 58 MPH OR HIGHER FROM 848 AM TO 1043 AM. A PEAK WIND GUST OF 63 MPH WAS RECORDED AT 1043 AM.
Jan 28, 11:25 AM PSTNON-TSTM WND GST 82Fremont Canyon, CAFREMONT CANYON RAWS REPORTED WIND GUSTS OF 60 MPH OR GREATER BETWEEN 7PM PST ON JAN 27 TO 8AM PST JAN 28 2012

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 6.6 hours before the alert went out and 124 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, San Diego, CA at 12:00Z on 2012-01-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 12:00Z on 2012-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2417 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

580 
WWUS86 KSGX 271836
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1036 AM PST FRI JAN 27 2012

...RED FLAG WARNING NOW IN EFFECT FOR SATURDAY FOR VERY LOW
HUMIDITIES AND STRONG GUSTY NORTHEAST TO EAST WINDS...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND UPPER LEVEL HIGH
PRESSURE RIDGE OVER THE CALIFORNIA COAST WILL BRING
WARMER...DRY...AND WINDY WEATHER THROUGH SATURDAY. CONTINUED WARM
AND VERY DRY FOR SUNDAY. RECENT RAINFALL AND THE IMPACT ON FUELS
WILL BE A MITIGATING FACTOR...BUT GIVEN THE STRENGTH OF THE WINDS
AND THE VERY DRY CONDITIONS...ANY LARGE FIRE STARTS COULD RESULT
IN RAPID FIRE GROWTH. THE WINDS WILL DIMINISH SATURDAY
AFTERNOON...BUT POOR OVERNIGHT RECOVERY IS EXPECTED SATURDAY NIGHT
WITH VERY LOW HUMIDITIES BUT WEAK WINDS FOR SUNDAY.

CAZ242-248-250-255>258-280615-
/O.UPG.KSGX.FW.A.0002.120128T1400Z-120129T0200Z/
/O.NEW.KSGX.FW.W.0003.120128T1000Z-120129T0200Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
1036 AM PST FRI JAN 27 2012

...RED FLAG WARNING IN EFFECT FROM 2 AM TO 6 PM PST SATURDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG
WARNING FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...WHICH IS IN
EFFECT FROM 2 AM TO 6 PM PST SATURDAY. THE FIRE WEATHER WATCH IS
NO LONGER IN EFFECT. 

* WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 55 MPH. GUSTS TO
  65 MPH ARE POSSIBLE IN THE FAVORED LOCATIONS.

* RELATIVE HUMIDITY...LOWEST DAYTIME AROUND 5 PERCENT WITH POOR 
  OVERNIGHT RECOVERY.

* TIMING...NORTHEAST WINDS ARE INCREASING THIS MORNING AND WILL
  CONTINUE AT TIMES THROUGH SATURDAY AFTERNOON. LOWEST HUMIDITIES
  ARE EXPECTED SATURDAY.

* OUTLOOK...THE WINDS WILL WEAKEN RAPIDLY SATURDAY EVENING...BUT 
  POOR HUMIDITY RECOVERY IS EXPECTED SATURDAY NIGHT WITH VERY 
  DRY CONDITIONS CONTINUING INTO SUNDAY.

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.

&&

$$

HTTP://WEATHER.GOV/SANDIEG0
6 follow-up statements
468 
WWUS86 KSGX 280530
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
930 PM PST FRI JAN 27 2012

...RED FLAG WARNING NOW IN EFFECT FOR LATE TONIGHT AND SATURDAY
FOR VERY LOW HUMIDITIES AND STRONG GUSTY NORTHEAST TO EAST
WINDS...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND UPPER LEVEL HIGH
PRESSURE RIDGE OVER THE CALIFORNIA COAST WILL BRING WARMER...
DRY...AND WINDY WEATHER ON SATURDAY. WARM AND VERY DRY CONDITIONS
WILL ALSO BE POSSIBLE ON SUNDAY. RECENT RAINFALL AND THE IMPACT
ON FUELS WILL BE A MITIGATING FACTOR...BUT GIVEN THE STRENGTH OF
THE WINDS AND THE VERY DRY CONDITIONS...ANY LARGE FIRE STARTS
COULD RESULT IN RAPID FIRE GROWTH. THE WINDS WILL DIMINISH
SATURDAY AFTERNOON...BUT POOR OVERNIGHT RECOVERY WILL BE POSSIBLE
SATURDAY NIGHT. VERY LOW HUMIDITIES AND WEAKER WINDS WILL CONTINUE
INTO SUNDAY.

CAZ242-248-250-255>258-281500-
/O.CON.KSGX.FW.W.0003.120128T1000Z-120129T0200Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
930 PM PST FRI JAN 27 2012

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 AM TO 6 PM PST
SATURDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT FROM 2 AM TO 6 PM PST
SATURDAY. 

* WINDS...NORTHEAST 15 TO 30 MPH...WITH GUSTS TO 65 MPH.

* RELATIVE HUMIDITY...LOWEST DAYTIME AROUND 5 PERCENT...WITH POOR
  OVERNIGHT RECOVERY.

* TIMING...NORTHEAST WINDS ARE INCREASING TONIGHT AND WILL
  CONTINUE AT TIMES THROUGH SATURDAY AFTERNOON. LOWEST HUMIDITIES
  WILL OCCUR ON SATURDAY DURING THE DAY.

* OUTLOOK...THE WINDS WILL WEAKEN RAPIDLY SATURDAY EVENING...BUT
  POOR HUMIDITY RECOVERY WILL BE POSSIBLE SATURDAY NIGHT...WITH VERY
  DRY CONDITIONS CONTINUING INTO SUNDAY.

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.

&&

$$

HTTP://WEATHER.GOV/SANDIEG0

PALMER
708 
WWUS86 KSGX 281122
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
322 AM PST SAT JAN 28 2012

...RED FLAG WARNING THROUGH THIS AFTERNOON FOR VERY LOW HUMIDITIES
AND STRONG GUSTY NORTHEAST TO EAST WINDS...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND HIGH PRESSURE ALOFT 
ALONG THE CALIFORNIA COAST WILL BRING WARMER AND VERY DRY WEATHER
THROUGH SUNDAY WITH STRONG GUSTY NORTHEAST TO EAST WINDS THROUGH
EARLY THIS AFTERNOON...GRADUALLY DECREASING TONIGHT THROUGH SUNDAY
MORNING. STRONGEST WINDS AND LOWEST HUMIDITIES ARE EXPECTED TODAY.
RECENT RAINFALL AND THE IMPACT ON FUELS WILL CONTINUE TO BE A
SIGNIFICANT MITIGATING FACTOR.

CAZ242-248-250-255>258-282200-
/O.CON.KSGX.FW.W.0003.000000T0000Z-120129T0200Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
322 AM PST SAT JAN 28 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING
FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR LOWER ELEVATIONS 
AND FOR COASTAL SLOPES OF THE MOUNTAINS BELOW 4000 FEET...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING.

* WINDS...NORTHEAST 20 TO 30 MPH WITH GUSTS TO 60 MPH.

* RELATIVE HUMIDITY...LOWEST DAYTIME AROUND 5 PERCENT WITH POOR 
  OVERNIGHT RECOVERY.

* TIMING...STRONGEST WINDS THROUGH THIS MORNING...THEN GRADUALLY
  DECREASING TONIGHT THROUGH SUNDAY MORNING.

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.

&&

$$

HTTP://WEATHER.GOV/SANDIEG0
687 
WWUS86 KSGX 282141
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
141 PM PST SAT JAN 28 2012

...RED FLAG WARNING THROUGH EARLY EVENING FOR VERY LOW HUMIDITY
AND STRONG AND GUSTY NORTHEAST TO EAST WINDS...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND HIGH PRESSURE
ALOFT WILL BRING WARMER AND VERY DRY WEATHER THROUGH SUNDAY WITH
STRONG AND GUSTY NORTHEAST TO EAST WINDS THROUGH EARLY EVENING...
GRADUALLY DECREASING TONIGHT THROUGH SUNDAY MORNING. LOW HUMIDITY
WILL CONTINUE INTO SUNDAY BUT WIND WILL BECOME MORE ISOLATED AND
WEAKER. RECENT RAINFALL AND THE IMPACT ON FUELS WILL CONTINUE TO
BE A SIGNIFICANT MITIGATING FACTOR.

CAZ242-248-250-255>258-290200-
/O.CON.KSGX.FW.W.0003.000000T0000Z-120129T0200Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
141 PM PST SAT JAN 28 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING
FOR STRONG GUSTY WINDS AND LOW HUMIDITY FOR LOWER ELEVATIONS
AND FOR COASTAL SLOPES OF THE MOUNTAINS BELOW 4000 FEET...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING.

* WINDS...NORTHEAST 15 TO 30 MPH WITH GUSTS TO 45 MPH.

* RELATIVE HUMIDITY...LOWEST DAYTIME AROUND 5 PERCENT WITH POOR 
  OVERNIGHT RECOVERY.

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.

&&

$$

HTTP://WEATHER.GOV/SANDIEG0
663 
WWUS86 KSGX 290155
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
555 PM PST SAT JAN 28 2012

...RED FLAG WARNING THROUGH EARLY SUNDAY AFTERNOON FOR VERY LOW
HUMIDITY AND STRONG AND GUSTY NORTHEAST TO EAST WINDS...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN AND HIGH PRESSURE
ALOFT WILL BRING WARMER AND VERY DRY WEATHER THROUGH SUNDAY...WITH
MODERATE AND GUSTY NORTHEAST TO EAST WINDS THROUGH SUNDAY
MORNING. LOW HUMIDITY WILL CONTINUE INTO SUNDAY...AND WIND WILL
WEAKEN THROUGH THE DAY. HOWEVER...THE COMBINATION OF THESE WINDS
AND VERY DRY CONDITIONS WILL ELEVATE FIRE DANGER. RECENT RAINFALL
AND THE IMPACT ON FUELS WILL CONTINUE TO BE A SIGNIFICANT
MITIGATING FACTOR.

CAZ242-248-250-255>258-291400-
/O.EXT.KSGX.FW.W.0003.000000T0000Z-120129T2000Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
555 PM PST SAT JAN 28 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL NOON PST SUNDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITY FOR LOWER ELEVATIONS AND FOR
COASTAL SLOPES OF THE MOUNTAINS BELOW 4000 FEET...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL NOON PST SUNDAY. 

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* RELATIVE HUMIDITY...LOWEST DAYTIME AROUND 5 PERCENT...WITH POOR
  OVERNIGHT RECOVERY.

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.

&&

$$

HTTP://WEATHER.GOV/SANDIEG0

PALMER
601 
WWUS86 KSGX 291052
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
252 AM PST SUN JAN 29 2012

...RED FLAG WARNING THROUGH MID MORNING FOR VERY LOW HUMIDITIES AND
MODERATE GUSTY NORTHEAST TO EAST WINDS...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL CONTINUE VERY DRY
CONDITIONS TODAY WITH MODERATE GUSTY NORTHEAST TO EAST WINDS
THROUGH MID MORNING THROUGH AND BELOW PASSES AND CANYONS AND NEAR
COASTAL FOOTHILLS. RECENT RAINFALL AND THE IMPACT ON FUELS WILL
CONTINUE TO BE A SIGNIFICANT MITIGATING FACTOR.

CAZ242-248-250-255>258-291800-
/O.EXT.KSGX.FW.W.0003.000000T0000Z-120129T1800Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
252 AM PST SUN JAN 29 2012

...RED FLAG WARNING NOW IN EFFECT UNTIL 10 AM PST THIS MORNING
FOR STRONG GUSTY WINDS AND LOW HUMIDITIES FOR LOWER ELEVATIONS 
AND FOR COASTAL MOUNTAIN SLOPES BELOW 4000 FEET...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

* WINDS...NORTHEAST 15 TO 25 MPH WITH GUSTS TO 45 MPH.

* RELATIVE HUMIDITY...LOWEST DAYTIME AROUND 5 PERCENT WITH POOR 
  OVERNIGHT RECOVERY.

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.

&&

$$

HTTP://WEATHER.GOV/SANDIEG0
847 
WWUS86 KSGX 291751
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
951 AM PST SUN JAN 29 2012

...EXPIRATION OF THE RED FLAG WARNING...

CAZ242-248-250-255>258-291900-
/O.EXP.KSGX.FW.W.0003.000000T0000Z-120129T1800Z/
ORANGE COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
951 AM PST SUN JAN 29 2012

...RED FLAG WARNING WILL EXPIRE AT 10 AM PST THIS MORNING FOR 
ALL MOUNTAIN AND VALLEY AREAS OF EXTREME SOUTHWEST CALIFORNIA

THE RED FLAG WARNING WILL EXPIRE AT 10 AM PST THIS MORNING. 

ALTHOUGH RELATIVE HUMIDITY WILL REMAIN VERY LOW TODAY...WINDS WILL
BE BELOW CRITERIA FOR EXPLOSIVE FIRE GROWTH SO THE RED FLAG WILL
BE ALLOWED TO EXPIRE.

$$

HTTP://WEATHER.GOV/SANDIEG0

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 7:38 PM PSTWind AdvisorySGXOrange, Riverside, San Bernardino, San Diego6 hr
Jan 27, 2:02 AM PSTHigh Wind WarningSGXOrange, Riverside, San Bernardino, San Diego35 hr
Jan 27, 2:02 AM PSTWind AdvisorySGXOrange, Riverside, San Bernardino, San Diego56 hr
Jan 27, 8:30 AM PSTSmall Craft Advisory for WindsSGX24 hr

Nearby

Red Flag Warnings in California, 2012Every red flag warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.