Alert archive / California / Red Flag Warnings in 2015

Red Flag Warning 2, NWS San Diego, CA

November 20, 20154 counties in California

NWS San Diego, CA issued this red flag warning at Nov 20, 2015, 9:11 AM PST for 4 counties in California. It took effect at Nov 21, 2015, 10:00 AM PST. It was in force for 32 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
Nov 20, 2015, 9:11 AM PST (17:11 UTC)
In effect from
Nov 21, 2015, 10:00 AM PST
Expired
Nov 22, 2015, 6:00 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 17:09 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.

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 5.2 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 2015-11-20Temperature 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 2015-11-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.1939Sfc1 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
3903 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
66 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.

743 
WWUS86 KSGX 201711
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
911 AM PST FRI NOV 20 2015

...RED FLAG WARNING FOR AREAS THROUGH AND BELOW THE CAJON
PASS...THE SANTA ANA MOUNTAINS AND FOOTHILLS...AND INLAND ORANGE
COUNTY FOR LATE SATURDAY MORNING THROUGH LATE SUNDAY AFTERNOON...

.SANTA ANA WINDS WILL INCREASE LATE TONIGHT FOR THE
PASSES...CANYONS AND COASTAL FOOTHILLS...WITH GUSTY WINDS
CONTINUING THROUGH SUNDAY AFTERNOON. THE WINDS WILL ALSO BRING
MUCH DRIER CONDITIONS DURING THE DAY SATURDAY AND CONTINUING INTO
SUNDAY...WITH LITTLE TO POOR OVERNIGHT RECOVERY SATURDAY NIGHT.
DUE TO THE WINDS...LOW HUMIDITY...AND MUCH DRIER FUEL CONDITIONS
FOR INLAND ORANGE COUNTY...THE SANTA ANA MOUNTAINS AND
FOOTHILLS...AND AREAS THROUGH AND BELOW THE CAJON PASS...CRITICAL
FIRE WEATHER CONDITIONS ARE LIKELY IN THOSE AREAS LATE SATURDAY
MORNING THROUGH SUNDAY AFTERNOON.

CAZ248-255-257-554-210200-
/O.NEW.KSGX.FW.W.0002.151121T1800Z-151123T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-ORANGE COUNTY INLAND AREAS-
911 AM PST FRI NOV 20 2015

...RED FLAG WARNING IN EFFECT FROM 10 AM SATURDAY TO 6 PM PST
SUNDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM SATURDAY TO 6 PM PST
SUNDAY. 

* WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH GUSTS OF 35 MPH AND
  LOCAL GUSTS OF 50 MPH.

* HUMIDITY...DROPPING TO 10 TO 15 PERCENT LATE SATURDAY MORNING
  AND CONTINUING THROUGH SUNDAY AFTERNOON...WITH LITTLE TO POOR
  RECOVERY SATURDAY NIGHT.

* TIMING...LATE SATURDAY MORNING THROUGH LATE SUNDAY AFTERNOON.

* OUTLOOK...WINDS WILL WEAKEN SUNDAY EVENING...WITH WINDS TURNING
  ONSHORE DURING THE DAY MONDAY WITH INCREASING HUMIDITY.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY. 
  OUTDOOR BURNING IS NOT RECOMMENDED.

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.

&&

$$

HARRISON
7 follow-up statements
799 
WWUS86 KSGX 210148
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
548 PM PST FRI NOV 20 2015

...RED FLAG WARNING FOR AREAS THROUGH AND BELOW THE CAJON PASS...
THE SANTA ANA MOUNTAINS AND FOOTHILLS...AND INLAND ORANGE COUNTY
FOR LATE SATURDAY MORNING THROUGH LATE SUNDAY AFTERNOON...

.SANTA ANA WINDS WILL STRENGTHEN LATE TONIGHT FOR THE PASSES...
CANYONS AND COASTAL FOOTHILLS...WITH GUSTY WINDS CONTINUING
THROUGH SUNDAY AFTERNOON. MUCH DRIER CONDITIONS WILL ALSO DEVELOP
WITH DAYTIME HUMIDITY IN THE TEENS AND POOR OVERNIGHT RECOVERY IN
THE WIND PRONE AREAS. THE COMBINATION OF WIND AND LOW HUMIDITY
WILL CREATE CRITICAL FIRE WEATHER CONDITIONS AT TIMES LATE
SATURDAY MORNING THROUGH SUNDAY AFTERNOON.

CAZ248-255-257-554-211000-
/O.CON.KSGX.FW.W.0002.151121T1800Z-151123T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-ORANGE COUNTY INLAND AREAS-
548 PM PST FRI NOV 20 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM SATURDAY TO 6 PM
PST SUNDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH GUSTS OF 35 TO 40
  MPH. ISOLATED GUSTS TO 50 MPH POSSIBLE IN THE FAVORED CANYONS
  AND PASSES SATURDAY MORNING. WINDS WILL WEAKEN SATURDAY
  AFTERNOON...WITH A SECOND WEAKER PEAK OCCURRING SATURDAY NIGHT
  INTO SUNDAY MORNING.

* HUMIDITY...DAYTIME HUMIDITY TO 10 TO 15 PERCENT SATURDAY AND
  SUNDAY. POOR HUMIDITY RECOVERY SATURDAY NIGHT...MAINLY IN THE
  WIND PRONE LOCATIONS.

* TIMING...LATE SATURDAY MORNING THROUGH LATE SUNDAY AFTERNOON.

* OUTLOOK...WINDS WILL WEAKEN SUNDAY EVENING...WITH WINDS 
  TURNING ONSHORE DURING THE DAY MONDAY WITH INCREASING 
  HUMIDITY. 

* IMPACTS...CONDITIONS ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR
  SHOULD FIRE IGNITION OCCUR...RESULTING IN A DANGER TO LIFE AND
  PROPERTY.

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.

&&

$$

SS
013 
WWUS86 KSGX 211116
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
316 AM PST SAT NOV 21 2015

...RED FLAG WARNING FOR AREAS THROUGH AND BELOW THE CAJON PASS...
THE SANTA ANA MOUNTAINS AND FOOTHILLS...AND INLAND ORANGE COUNTY
FOR LATE THIS MORNING INTO SUNDAY AFTERNOON...

.SANTA ANA WINDS WILL STRENGTHEN TODAY FOR THE PASSES... CANYONS
AND COASTAL FOOTHILLS...WITH GUSTY WINDS CONTINUING INTO SUNDAY
AFTERNOON. MUCH DRIER CONDITIONS WILL ALSO DEVELOP WITH DAYTIME
HUMIDITIES IN THE TEENS AND POOR OVERNIGHT RECOVERY IN THE WIND
PRONE AREAS. THE COMBINATION OF WIND AND LOW HUMIDITIES WILL
CREATE CRITICAL FIRE WEATHER CONDITIONS AT TIMES LATE THIS MORNING
INTO SUNDAY AFTERNOON.

CAZ248-255-257-554-212130-
/O.CON.KSGX.FW.W.0002.151121T1800Z-151123T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-ORANGE COUNTY INLAND AREAS-
316 AM PST SAT NOV 21 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
6 PM PST SUNDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH GUSTS OF 35 TO 40
  MPH. ISOLATED GUSTS TO 50 MPH POSSIBLE IN THE FAVORED CANYONS
  AND PASSES THIS MORNING. WINDS WILL WEAKEN THIS AFTERNOON...WITH
  A SECOND WEAKER PEAK OCCURRING LATE TONIGHT NIGHT INTO SUNDAY
  MORNING.

* HUMIDITY...LOWEST DAYTIME HUMIDITIES TO 10 TO 15 PERCENT TODAY
  AND 5 TO 10 PERCENT SUNDAY. POOR RECOVERY TONIGHT...MAINLY IN
  THE WIND PRONE LOCATIONS.

* OUTLOOK...WINDS WILL WEAKEN SUNDAY AFTERNOON...WITH WINDS
  TURNING ONSHORE DURING THE DAY MONDAY WITH INCREASING HUMIDITIES.

* IMPACTS...CONDITIONS ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR 
  SHOULD FIRE IGNITION OCCUR...RESULTING IN A DANGER TO LIFE 
  AND PROPERTY.

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.

&&

$$

FOR A DETAILED MAP OF THE HAZARD:
WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=SGX

17
260 
WWUS86 KSGX 212047
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1247 PM PST SAT NOV 21 2015

...RED FLAG WARNING FOR AREAS THROUGH AND BELOW THE CAJON PASS...
THE SANTA ANA MOUNTAINS AND FOOTHILLS...AND INLAND ORANGE COUNTY
THROUGH SUNDAY AFTERNOON DUE TO LOW RELATIVE HUMIDITY AND GUSTY
WINDS...

.SANTA ANA WINDS WILL CONTINUE THROUGH SUNDAY AFTERNOON FOR THE
PASSES...CANYONS AND COASTAL FOOTHILLS. MUCH DRIER CONDITIONS
WILL ALSO CONTINUE WITH DAYTIME HUMIDITIES IN THE TEENS AND POOR
OVERNIGHT RECOVERY IN THE WIND PRONE AREAS. THE COMBINATION OF
WIND AND LOW HUMIDITIES WILL CREATE CRITICAL FIRE WEATHER
CONDITIONS AT TIMES INTO SUNDAY AFTERNOON.

CAZ248-255-257-554-220600-
/O.CON.KSGX.FW.W.0002.000000T0000Z-151123T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-ORANGE COUNTY INLAND AREAS-
1247 PM PST SAT NOV 21 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST SUNDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH GUSTS OF 35 TO 40
  MPH. ISOLATED GUSTS TO 50 MPH POSSIBLE IN THE FAVORED CANYONS
  AND PASSES. WINDS WILL WEAKEN THIS AFTERNOON...BUT WINDS WILL
  STRENGTHEN AGAIN LATE TONIGHT NIGHT INTO SUNDAY MORNING.

* HUMIDITY...LOWEST DAYTIME HUMIDITIES TO 10 TO 15 PERCENT 
  TODAY AND 5 TO 10 PERCENT SUNDAY. POOR RECOVERY TONIGHT...
  MAINLY IN THE WIND PRONE LOCATIONS.

* OUTLOOK...WINDS WILL WEAKEN LATE SUNDAY AFTERNOON...WITH WINDS 
  TURNING ONSHORE DURING THE DAY MONDAY WITH INCREASING 
  HUMIDITIES.

* IMPACTS...CONDITIONS ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR 
  SHOULD FIRE IGNITION OCCUR...RESULTING IN A DANGER TO LIFE 
  AND PROPERTY.

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.

&&

$$

HARRISON
563 
WWUS86 KSGX 220417
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
817 PM PST SAT NOV 21 2015

...RED FLAG WARNING CONTINUES THROUGH AND BELOW THE CAJON PASS...
THE SANTA ANA MOUNTAINS AND FOOTHILLS...AND INLAND ORANGE COUNTY
THROUGH SUNDAY AFTERNOON DUE TO LOW RELATIVE HUMIDITY AND GUSTY
WINDS...

.SANTA ANA WINDS WILL CONTINUE THROUGH SUNDAY AFTERNOON FOR THE
PASSES...CANYONS AND COASTAL FOOTHILLS WITH LOW RELATIVE HUMIDITY
AND POOR OVERNIGHT RECOVERY IN THE WIND PRONE AREAS. THE
COMBINATION OF WIND AND LOW HUMIDITY WILL CREATE CRITICAL FIRE
WEATHER CONDITIONS AT TIMES INTO SUNDAY AFTERNOON.

CAZ248-255-257-554-221400-
/O.CON.KSGX.FW.W.0002.000000T0000Z-151123T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-ORANGE COUNTY INLAND AREAS-
817 PM PST SAT NOV 21 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST SUNDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WIND...NORTHEAST TO EAST 15 TO 25 MPH WITH GUSTS OF 35 TO 40
  MPH. ISOLATED GUSTS TO 50 MPH POSSIBLE IN THE FAVORED CANYONS
  AND PASSES. WINDS WILL STRENGTHEN AGAIN LATE TONIGHT NIGHT INTO
  SUNDAY MORNING.

* HUMIDITY...LOWEST DAYTIME 5 TO 10 PERCENT SUNDAY. POOR RECOVERY
  TONIGHT IN THE WIND PRONE LOCATIONS.

* OUTLOOK...WINDS WILL WEAKEN LATE SUNDAY AFTERNOON AND TURN
  ONSHORE MONDAY WITH INCREASING HUMIDITY.

* IMPACTS...CONDITIONS ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR 
  SHOULD FIRE IGNITION OCCUR...RESULTING IN A DANGER TO LIFE 
  AND PROPERTY.

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.

&&

$$

JAD
200 
WWUS86 KSGX 221113
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
313 AM PST SUN NOV 22 2015

...RED FLAG WARNING CONTINUES THROUGH AND BELOW THE CAJON PASS...
THE SANTA ANA MOUNTAINS AND FOOTHILLS...AND INLAND ORANGE COUNTY
INTO THIS AFTERNOON DUE TO LOW RELATIVE HUMIDITIES AND GUSTY
WINDS...

.SANTA ANA WINDS WILL CONTINUE INTO THIS AFTERNOON FOR THE
PASSES...CANYONS AND COASTAL FOOTHILLS FOR LOW RELATIVE
HUMIDITIES AND GUSTY WINDS WHICH CREATE CRITICAL FIRE WEATHER
CONDITIONS AT TIMES.

CAZ248-255-257-554-222130-
/O.CON.KSGX.FW.W.0002.000000T0000Z-151123T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-ORANGE COUNTY INLAND AREAS-
313 AM PST SUN NOV 22 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING
FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WIND...AREAS OF NORTHEAST TO EAST WINDS 15 TO 25 MPH WITH GUSTS
  TO 35 MPH. ISOLATED GUSTS TO 45 MPH POSSIBLE IN THE FAVORED
  CANYONS AND PASSES.

* HUMIDITIES...LOWEST DAYTIME OF 5 TO 10 PERCENT.

* OUTLOOK...WINDS WILL WEAKEN THIS AFTERNOON AND TURN ONSHORE
  MONDAY WITH INCREASING HUMIDITIES.

* IMPACTS...CONDITIONS ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR 
  SHOULD FIRE IGNITION OCCUR...RESULTING IN A DANGER TO LIFE 
  AND PROPERTY.

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.

&&

$$

FOR A DETAILED MAP OF THE HAZARD:
WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=SGX

17
835 
WWUS86 KSGX 222035
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1235 PM PST SUN NOV 22 2015

...RED FLAG WARNING CONTINUES THROUGH AND BELOW THE CAJON PASS...
THE SANTA ANA MOUNTAINS AND FOOTHILLS...AND INLAND ORANGE COUNTY
INTO THIS AFTERNOON DUE TO LOW RELATIVE HUMIDITIES AND GUSTY
WINDS...

.SANTA ANA WINDS WILL CONTINUE THROUGH THE AFTERNOON FOR THE
PASSES...CANYONS AND COASTAL FOOTHILLS RESULTING IN LOW RELATIVE
HUMIDITIES AND GUSTY WINDS. THIS WILL CREATE CRITICAL FIRE
WEATHER CONDITIONS IN THOSE AREAS THROUGH THE AFTERNOON HOURS.

CAZ248-255-257-554-230200-
/O.CON.KSGX.FW.W.0002.000000T0000Z-151123T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-ORANGE COUNTY INLAND AREAS-
1235 PM PST SUN NOV 22 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING
FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WIND...AREAS OF NORTHEAST TO EAST WINDS 10 TO 20 MPH WITH GUSTS
  OF 30 TO 35 MPH. 

* HUMIDITIES...5 TO 10 PERCENT.

* OUTLOOK...WINDS WILL WEAKEN THIS AFTERNOON AND TURN ONSHORE 
  MONDAY WITH INCREASING HUMIDITIES.

* IMPACTS...CONDITIONS ARE FAVORABLE FOR EXTREME FIRE BEHAVIOR 
  SHOULD FIRE IGNITION OCCUR...RESULTING IN A DANGER TO LIFE 
  AND PROPERTY.

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.

&&

$$

HARRISON
087 
WWUS86 KSGX 230159
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
559 PM PST SUN NOV 22 2015



CAZ248-255-257-554-230300-
/O.EXP.KSGX.FW.W.0002.000000T0000Z-151123T0200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-ORANGE COUNTY INLAND AREAS-
559 PM PST SUN NOV 22 2015

...RED FLAG WARNING WILL EXPIRE AT 6 PM PST THIS EVENING FOR
STRONG GUSTY WINDS AND LOW HUMIDITY...

WINDS HAVE DECREASED ACROSS THE AREA AND ARE EXPECTED TO REMAIN
LIGHT THROUGH MONDAY MORNING SO CRITICAL FIRE WEATHER CONDITIONS
ARE NOT EXPECTED.

$$

JAD

Nearby

Red Flag Warnings in California, 2015Every red flag warning in 2015

Sources

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