Alert archive / California / Red Flag Warnings in 2014

Red Flag Warning 2, NWS San Diego, CA

January 23, 20144 counties in California

NWS San Diego, CA issued this red flag warning at Jan 23, 2014, 11:54 AM PST for 4 counties in California. It took effect at Jan 23, 2014, 12:00 PM PST. It was in force for 32 hr. 2 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 23, 2014, 11:54 AM PST (19:54 UTC)
In effect from
Jan 23, 2014, 12:00 PM PST
Expired
Jan 24, 2014, 8:00 PM 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 19:55 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 24, 1:00 PM PSTHIGH SURFHuntington Beach, CAHUNTINGTON BEACH LIFEGUARDS REPORTED 8 FOOT SURF.
Jan 24, 2:10 PM PSTHIGH SURF3 Nne La Jolla, CASURFLINE REPORTED 8 TO 12 FOOT SURF AT BLACKS BEACH

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, 7.9 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 2014-01-23Temperature 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 2014-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
2898 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
69 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.

407 
WWUS86 KSGX 231954
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1154 AM PST THU JAN 23 2014

...VERY LOW HUMIDITY AND AREAS OF STRONG GUSTY EAST WINDS LATE
TONIGHT THROUGH FRIDAY EVENING...

.SURFACE HIGH PRESSURE BUILDING OVER THE GREAT BASIN WILL BRING
AREAS OF STRONG GUSTY EAST WINDS THIS AFTERNOON THROUGH FRIDAY...
ESPECIALLY THROUGH AND BELOW PASSES AND CANYONS. THESE WINDS WILL
COMBINE WITH VERY LOW HUMIDITY TO BRING ELEVATED FIRE WEATHER
CONDITIONS FOR THE MOUNTAINS SOUTH OF SAN BERNARDINO COUNTY AND
THE INLAND VALLEYS. CONDITIONS WILL GRADUALLY IMPROVE FRIDAY
NIGHT AS WINDS DIMINISH.

CAZ255-232100-
/O.CAN.KSGX.FW.A.0002.140124T1200Z-140125T0400Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-
1154 AM PST THU JAN 23 2014

...FIRE WEATHER WATCH IS CANCELLED FOR STRONG GUSTY WINDS AND LOW
HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE FIRE
WEATHER WATCH. 

THE STRONG WINDS WILL REMAIN SOUTH OF SAN BERNARDINO COUNTY.

$$

CAZ248-250-256>258-241200-
/O.UPG.KSGX.FW.A.0002.140124T1200Z-140125T0400Z/
/O.NEW.KSGX.FW.W.0002.140123T2000Z-140125T0400Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-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-
1154 AM PST THU JAN 23 2014

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PST FRIDAY 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 UNTIL 8 PM PST FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER
IN EFFECT. 

* WINDS...EAST 15 TO 30 MPH WITH LOCAL GUSTS 35 TO 45 MPH.

* RELATIVE HUMIDITY...MINIMUM HUMIDITY 6 TO 12 PERCENT TODAY AND
  10 TO 15 PERCENT FRIDAY. POOR RECOVERIES TONIGHT.

* TIMING...THIS AFTERNOON THROUGH EARLY FRIDAY EVENING.

* OUTLOOK...WINDS WILL GRADUALLY DIMINISH FRIDAY NIGHT.

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
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

MAXWELL
3 follow-up statements
744 
WWUS86 KSGX 231956 CCA
RFWSGX

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE SAN DIEGO CA
1156 AM PST THU JAN 23 2014

...VERY LOW HUMIDITY AND AREAS OF STRONG GUSTY EAST WINDS THIS AFTERNOON
THROUGH FRIDAY EVENING...

.SURFACE HIGH PRESSURE BUILDING OVER THE GREAT BASIN WILL BRING
AREAS OF STRONG GUSTY EAST WINDS THIS AFTERNOON THROUGH FRIDAY...
ESPECIALLY THROUGH AND BELOW PASSES AND CANYONS. THESE WINDS WILL
COMBINE WITH VERY LOW HUMIDITY TO BRING ELEVATED FIRE WEATHER
CONDITIONS FOR THE MOUNTAINS SOUTH OF SAN BERNARDINO COUNTY AND
THE INLAND VALLEYS. CONDITIONS WILL GRADUALLY IMPROVE FRIDAY
NIGHT AS WINDS DIMINISH.

CAZ255-232100-
/O.CAN.KSGX.FW.A.0002.140124T1200Z-140125T0400Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-
1156 AM PST THU JAN 23 2014

...FIRE WEATHER WATCH IS CANCELLED FOR STRONG GUSTY WINDS AND LOW
HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE FIRE
WEATHER WATCH. 

THE STRONG WINDS WILL REMAIN SOUTH OF SAN BERNARDINO COUNTY.

$$

CAZ248-250-256>258-241215-
/O.UPG.KSGX.FW.A.0002.140124T1200Z-140125T0400Z/
/O.NEW.KSGX.FW.W.0002.140123T2000Z-140125T0400Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-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-
1156 AM PST THU JAN 23 2014

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PST FRIDAY 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 UNTIL 8 PM PST FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER
IN EFFECT. 

* WINDS...EAST 15 TO 30 MPH WITH LOCAL GUSTS 35 TO 45 MPH.

* RELATIVE HUMIDITY...MINIMUM HUMIDITY 6 TO 12 PERCENT TODAY AND
  10 TO 15 PERCENT FRIDAY. POOR RECOVERIES TONIGHT.

* TIMING...THIS AFTERNOON THROUGH EARLY FRIDAY EVENING.

* OUTLOOK...WINDS WILL GRADUALLY DIMINISH FRIDAY NIGHT.

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
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

MAXWELL
582 
WWUS86 KSGX 241137
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
337 AM PST FRI JAN 24 2014

...VERY LOW HUMIDITY AND AREAS OF STRONG GUSTY EAST WINDS THIS
THROUGH THIS EVENING...

.SURFACE HIGH PRESSURE OVER THE GREAT BASIN WILL BRING AREAS OF
STRONG GUSTY EAST WINDS THROUGH THIS EVENING... ESPECIALLY THROUGH AND
BELOW PASSES AND CANYONS. THESE WINDS WILL COMBINE WITH VERY LOW
HUMIDITY TO BRING ELEVATED FIRE WEATHER CONDITIONS FOR THE
MOUNTAINS AND INLAND VALLEYS SOUTH OF SAN BERNARDINO COUNTY.
CONDITIONS WILL GRADUALLY IMPROVE TONIGHT AS WINDS DIMINISH.

CAZ248-250-256>258-250400-
/O.CON.KSGX.FW.W.0002.000000T0000Z-140125T0400Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-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-
337 AM PST FRI JAN 24 2014

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING
FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING.

* WINDS...EAST 15 TO 30 MPH WITH LOCAL GUSTS 35 TO 45 MPH.

* RELATIVE HUMIDITY...MINIMUM HUMIDITY 7 TO 15 PERCENT.

* TIMING...THROUGH THIS EVENING.

* OUTLOOK...WINDS WILL GRADUALLY DIMINISH TONIGHT.

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
CONTRIBUTE TO EXTREME FIRE BEHAVIOR.

&&

$$

HTTP://WEATHER.GOV/SANDIEG0

SS
531 
WWUS86 KSGX 250352
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
752 PM PST FRI JAN 24 2014

...RED FLAG WARNING EXPIRES AT 8 PM...

CAZ248-250-256>258-250500-
/O.EXP.KSGX.FW.W.0002.000000T0000Z-140125T0400Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-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-
752 PM PST FRI JAN 24 2014

...RED FLAG WARNING WILL EXPIRE AT 8 PM PST THIS EVENING FOR
STRONG GUSTY WINDS AND LOW HUMIDITIES...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM PST THIS EVENING. 

OFFSHORE WINDS HAVE DECREASED AND HUMIDITIES WILL SLOWLY INCREASE
OVERNIGHT.

$$

MOEDE

HTTP://WEATHER.GOV/SANDIEG0

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 2:00 AM PSTHigh Surf AdvisorySGXSan Diego3 days
Jan 23, 1:03 PM PSTWind AdvisorySGXOrange, Riverside, San Bernardino, San Diego25 hr

Nearby

Red Flag Warnings in California, 2014Every red flag warning in 2014

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.