Alert archive / California / Red Flag Warnings in 2016

Red Flag Warning 5, NWS San Diego, CA

September 24, 20164 counties in California

NWS San Diego, CA issued this red flag warning at Sep 24, 2016, 11:53 AM PDT for 4 counties in California. It took effect at Sep 25, 2016, 12:00 AM PDT. It was in force for 39 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
Sep 24, 2016, 11:53 AM PDT (18:53 UTC)
In effect from
Sep 25, 2016, 12:00 AM PDT
Expired
Sep 26, 2016, 3:00 PM PDT
In force
39 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 18:52 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
Sep 25, 4:50 AM PDTNON-TSTM WND GST 647 S Pine Valley, CAMESONET STATION BUCKMAN SPRINGS / BMSSD.
Sep 25, 6:10 AM PDTNON-TSTM WND GST 629 Ssw Julian, CAMESONET STATION SILL HILL /SILSD/.
Sep 25, 6:10 AM PDTNON-TSTM WND GST 639 Ssw Julian, CAMESONET STATION SILL HILL /SILSD/.
Sep 25, 9:30 AM PDTNON-TSTM WND GST 656 Nnw Pine Valley, CAMESONET STATION DESCANSO (8 NE) /LFRSD/.

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, 6.9 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 2016-09-24Temperature 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 2016-09-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -41 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
2524 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-41 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

132 
WWUS86 KSGX 241853
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1153 AM PDT SAT SEP 24 2016

...PERIODS OF CRITICAL FIRE WEATHER CONDITIONS THROUGH MONDAY FOR
LOW HUMIDITY AND GUSTY SANTA ANA WINDS...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST...AND
SURFACE HIGH PRESSURE OVER THE GREAT BASIN...WILL BRING DRY AND
WARMER WEATHER THROUGH MONDAY WITH PERIODS OF GUSTY NORTHEAST
WINDS NEAR THE COASTAL FOOTHILLS AND INTO EASTERN PORTIONS OF THE
VALLEYS...INCLUDING INLAND ORANGE COUNTY. THE MOST CRITICAL
COMBINATION OF HEAT...HUMIDITY...AND WIND IS EXPECTED SUNDAY. ON
MONDAY...A SLIGHT RECOVERY IN HUMIDITY IS EXPECTED.

CAZ255-250500-
/O.CAN.KSGX.FW.W.0004.000000T0000Z-160927T0000Z/
/O.NEW.KSGX.FW.W.0005.160925T0700Z-160926T2200Z/
SAN BERNARDINO COUNTY MOUNTAINS-
INCLUDING THE MOUNTAIN TOP AND FRONT COUNTRY RANGER DISTRICTS OF
THE SAN BERNARDINO NATIONAL FOREST-
1153 AM PDT SAT SEP 24 2016

...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PDT
MONDAY FOR STRONG WINDS AND LOW HUMIDITY ALONG THE COASTAL SLOPES
AND PASS AREAS OF THE SAN BERNARDINO MOUNTAINS...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PDT
MONDAY. 

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...BECOMING 20 TO 30 MPH WITH GUSTS TO 45 TO 50 MPH SUNDAY
  MORNING INTO MONDAY.

* HUMIDITY...LOWEST OF 8 TO 12 PERCENT WITH POOR OVERNIGHT
  RECOVERY.

* OUTLOOK...GRADUAL COOLING WITH HIGHER HUMIDITY AND WEAKER WINDS
  TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE BEHAVIOR
  AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

CAZ256-258-250500-
/O.UPG.KSGX.FW.A.0006.160925T1200Z-160927T0000Z/
/O.NEW.KSGX.FW.W.0005.160925T0700Z-160926T2200Z/
RIVERSIDE COUNTY MOUNTAINS-
INCLUDING THE SAN JACINTO RANGER DISTRICT OF THE SAN BERNARDINO
NATIONAL FOREST-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
1153 AM PDT SAT SEP 24 2016

...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PDT
MONDAY FOR STRONG WINDS AND LOW HUMIDITY FOR THE RIVERSIDE AND
SAN DIEGO COUNTY MOUNTAINS...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PDT
MONDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...BECOMING 25 TO 35 MPH WITH LOCAL GUSTS TO 50 TO 60 MPH
  ALONG WIND-PRONE COASTAL SLOPES SUNDAY MORNING INTO MONDAY.

* HUMIDITY...LOWEST OF 8 TO 12 PERCENT SUNDAY WITH POOR OVERNIGHT
  RECOVERY...BECOMING 12 TO 20 PERCENT ON MONDAY.

* OUTLOOK...GRADUAL COOLING WITH HIGHER HUMIDITY AND WEAKER WINDS
  TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE BEHAVIOR
  AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

CAZ248-257-250500-
/O.UPG.KSGX.FW.A.0006.000000T0000Z-160927T0000Z/
/O.NEW.KSGX.FW.W.0005.160925T0700Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-
1153 AM PDT SAT SEP 24 2016

...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PDT
MONDAY FOR STRONG WINDS AND LOW HUMIDITY FOR THE INLAND EMPIRE...
THE SANTA ANA MOUNTAINS...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PDT
MONDAY. 

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...EXCEPT 20 TO 30 MPH WITH GUSTS 45 TO 55 BELOW THE CAJON
  PASS...AND THROUGH AND ALONG THE SANTA ANA MOUNTAINS AND
  FOOTHILLS SUNDAY AND MONDAY MORNINGS.

* HUMIDITY...LOWEST OF 8 TO 12 PERCENT WITH POOR OVERNIGHT RECOVERY.

* OUTLOOK...GRADUAL COOLING WITH HIGHER HUMIDITY AND WEAKER WINDS
  TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE BEHAVIOR
  AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

CAZ250-265-554-250500-
/O.UPG.KSGX.FW.A.0006.160925T1200Z-160927T0000Z/
/O.NEW.KSGX.FW.W.0005.160925T0700Z-160926T2200Z/
SAN DIEGO COUNTY INLAND VALLEYS-SAN GORGONIO PASS NEAR BANNING-
ORANGE COUNTY INLAND AREAS-
1153 AM PDT SAT SEP 24 2016

...RED FLAG WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PDT
MONDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY FOR THE INLAND
VALLEYS OF SAN DIEGO COUNTY...INLAND ORANGE COUNTY...AND THROUGH
THE SAN GORGONIO PASS...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM PDT
MONDAY. 

* WINDS...AREAS OF NORTHEAST TO EAST WINDS 15 TO 25 MPH WITH GUSTS
  TO 35 MPH...BECOMING 20 TO 30 MPH WITH GUSTS TO 45 MPH SUNDAY
  MORNING INTO MONDAY.

* HUMIDITY...LOWEST OF 8 TO 12 PERCENT SUNDAY. SLIGHTLY HIGHER ON
  MONDAY. POOR OVERNIGHT RECOVERY.

* OUTLOOK...GRADUAL COOLING WITH HIGHER HUMIDITY AND WEAKER WINDS
  TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE BEHAVIOR
  AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR. 

&&

$$

JAD
7 follow-up statements
813 
WWUS86 KSGX 250503
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1003 PM PDT SAT SEP 24 2016

...PERIODS OF CRITICAL FIRE WEATHER CONDITIONS THROUGH MONDAY FOR
LOW HUMIDITY AND GUSTY SANTA ANA WINDS...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST...AND
SURFACE HIGH PRESSURE OVER THE GREAT BASIN...WILL BRING DRY AND
WARMER WEATHER THROUGH MONDAY WITH PERIODS OF GUSTY NORTHEAST
WINDS NEAR THE COASTAL FOOTHILLS AND INTO EASTERN PORTIONS OF THE
VALLEYS...INCLUDING INLAND ORANGE COUNTY. THE MOST CRITICAL
COMBINATION OF HEAT...HUMIDITY...AND WIND IS EXPECTED SUNDAY. ON
MONDAY...A SLIGHT RECOVERY IN HUMIDITY IS EXPECTED.

CAZ255-256-258-251315-
/O.CON.KSGX.FW.W.0005.160925T0700Z-160926T2200Z/
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-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
1003 PM PDT SAT SEP 24 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG WINDS AND LOW HUMIDITY FOR THE RIVERSIDE AND SAN DIEGO
COUNTY MOUNTAINS...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...BECOMING 25 TO 35 MPH WITH GUSTS TO 50 TO 60 MPH ALONG
  WIND-PRONE COASTAL SLOPES SUNDAY MORNING INTO MONDAY.

* HUMIDITY...LOWEST OF 6 TO 10 PERCENT SUNDAY WITH POOR OVERNIGHT
  RECOVERY...BECOMING 10 TO 20 PERCENT ON MONDAY.

* OUTLOOK...GRADUAL COOLING WITH HIGHER HUMIDITY AND WEAKER 
  WINDS TUESDAY INTO WEDNESDAY. 

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE
  BEHAVIOR AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

CAZ248-250-257-265-554-251315-
/O.CON.KSGX.FW.W.0005.160925T0700Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY INLAND AREAS-
1003 PM PDT SAT SEP 24 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG WINDS AND LOW HUMIDITY FOR THE INLAND EMPIRE... THE SANTA
ANA MOUNTAINS...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35 
  MPH...EXCEPT 20 TO 30 MPH WITH GUSTS 45 TO 55 BELOW THE CAJON 
  PASS...AND THROUGH AND ALONG THE SANTA ANA MOUNTAINS AND 
  FOOTHILLS SUNDAY AND MONDAY MORNINGS. 

* HUMIDITY...LOWEST OF 6 TO 12 PERCENT WITH POOR OVERNIGHT
  RECOVERY.

* OUTLOOK...GRADUAL COOLING WITH HIGHER HUMIDITY AND WEAKER 
  WINDS TUESDAY INTO WEDNESDAY. 

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE
  BEHAVIOR AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

JMB
838 
WWUS86 KSGX 251044
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
344 AM PDT SUN SEP 25 2016

...PERIODS OF CRITICAL FIRE WEATHER CONDITIONS THROUGH MONDAY FOR
LOW HUMIDITIES AND GUSTY SANTA ANA WINDS...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST...AND
SURFACE HIGH PRESSURE OVER THE GREAT BASIN...WILL BRING DRY AND
WARMER WEATHER THROUGH MONDAY WITH PERIODS OF GUSTY NORTHEAST
WINDS NEAR THE COASTAL FOOTHILLS AND INTO EASTERN PORTIONS OF THE
VALLEYS...INCLUDING INLAND ORANGE COUNTY. THE MOST CRITICAL
COMBINATION OF HEAT...LOW HUMIDITIES...AND STRONG WINDS IS
EXPECTED TODAY. ON MONDAY...A SLIGHT RECOVERY IN HUMIDITIES IS
EXPECTED ALONG WITH SLIGHTLY WEAKER WINDS.

CAZ255-256-258-252130-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
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-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
344 AM PDT SUN SEP 25 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...BECOMING 20 TO 30 MPH WITH GUSTS TO 45. ISOLATED GUSTS TO
  55 MPH ALONG WIND-PRONE COASTAL SLOPES TODAY.

* HUMIDITIES...LOWEST OF 6 TO 10 PERCENT TODAY WITH POOR OVERNIGHT
  RECOVERY. LOWEST OF 10 TO 20 PERCENT ON MONDAY.

* OUTLOOK...GRADUAL COOLING WITH HIGHER HUMIDITIES AND WEAKER
  WINDS TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE 
  BEHAVIOR AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

CAZ248-250-257-265-554-252130-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY INLAND AREAS-
344 AM PDT SUN SEP 25 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...EXCEPT 20 TO 30 MPH WITH GUSTS 45 MPH BELOW THE CAJON
  PASS...AND THROUGH AND ALONG THE SANTA ANA MOUNTAINS AND
  FOOTHILLS THIS MORNING AND MONDAY MORNING.

* HUMIDITY...LOWEST OF 6 TO 12 PERCENT WITH POOR OVERNIGHT 
  RECOVERY.

* OUTLOOK...GRADUAL COOLING WITH HIGHER HUMIDITIES AND WEAKER
  WINDS TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE 
  BEHAVIOR AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

17
879 
WWUS86 KSGX 251924
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1224 PM PDT SUN SEP 25 2016

...PERIODS OF CRITICAL FIRE WEATHER CONDITIONS THROUGH MONDAY FOR
LOW HUMIDITY AND GUSTY SANTA ANA WINDS...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST...AND
SURFACE HIGH PRESSURE OVER THE GREAT BASIN...WILL CONTINUE DRY
AND VERY WARM WEATHER THROUGH MONDAY WITH PERIODS OF GUSTY
NORTHEAST WINDS NEAR THE COASTAL FOOTHILLS AND INTO EASTERN
PORTIONS OF THE VALLEYS...INCLUDING INLAND ORANGE COUNTY. THE 
MOST CRITICAL COMBINATION OF VERY LOW RELATIVE HUMIDITY...AND
STRONG WIND IS EXPECTED TODAY. ON MONDAY...NEAR RED FLAG
CONDITIONS ARE LIKELY...BUT THERE WILL BE LIGHTER WINDS NORTH OF
SAN DIEGO COUNTY AND HIGHER HUMIDITY OVER SAN DIEGO COUNTY.

CAZ255-256-258-260500-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
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-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
1224 PM PDT SUN SEP 25 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG WINDS AND LOW HUMIDITY FOR THE MOUNTAINS OF SOUTHERN
CALIFORNIA...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...LOCAL 20 TO 30 MPH WITH ISOLATED GUSTS 45 TO 55 MPH ALONG
  WIND-PRONE COASTAL SLOPES AND BELOW CANYONS.

* RELATIVE HUMIDITY...LOWEST OF 6 TO 10 PERCENT TODAY WITH POOR
  OVERNIGHT RECOVERY. LOWEST OF 10 TO 20 PERCENT ON MONDAY.

* OUTLOOK...INCREASING HUMIDITY...DECREASING WIND...AND GRADUAL
  COOLING TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE BEHAVIOR
  AND 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
WIND...LOW RELATIVE HUMIDITY...AND HEAT WILL CONTRIBUTE TO EXTREME
FIRE BEHAVIOR.

&&

$$

CAZ248-250-257-265-554-260500-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY INLAND AREAS-
1224 PM PDT SUN SEP 25 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITY FOR THE SANTA ANA MOUNTAINS...
THE INLAND EMPIRE...AND INLAND ORANGE COUNTY...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO 35
  MPH...EXCEPT 20 TO 30 MPH WITH GUSTS 45 MPH BELOW THE CAJON AND
  SAN GORGONIO PASSES...AND NEAR THE SANTA ANA MOUNTAINS AND
  FOOTHILLS THROUGH MONDAY MORNING.

* RELATIVE HUMIDITY...LOWEST OF 6 TO 12 PERCENT WITH POOR
  OVERNIGHT RECOVERY.

* OUTLOOK...INCREASING HUMIDITY...DECREASING WIND...AND GRADUAL
  COOLING TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE BEHAVIOR
  AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$
463 
WWUS86 KSGX 260456
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
956 PM PDT SUN SEP 25 2016

...PERIODS OF CRITICAL FIRE WEATHER CONDITIONS THROUGH MONDAY FOR
LOW HUMIDITY AND GUSTY SANTA ANA WINDS...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST...AND
SURFACE HIGH PRESSURE OVER THE GREAT BASIN...WILL CONTINUE DRY
AND VERY WARM WEATHER THROUGH MONDAY WITH PERIODS OF GUSTY
NORTHEAST WINDS NEAR THE COASTAL FOOTHILLS AND INTO EASTERN
PORTIONS OF THE VALLEYS...INCLUDING INLAND ORANGE COUNTY. 

CAZ255-256-258-261300-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
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-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
956 PM PDT SUN SEP 25 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG WINDS AND LOW HUMIDITY FOR THE MOUNTAINS OF SOUTHERN
CALIFORNIA...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 30 MPH WITH GUSTS UP TO
  50 MPH...STRONGEST ALONG WIND-PRONE COASTAL SLOPES AND BELOW
  CANYONS.

* RELATIVE HUMIDITY...LOWEST OF 8 TO 15 PERCENT.

* OUTLOOK...INCREASING HUMIDITY...DECREASING WIND...AND GRADUAL 
  COOLING TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE
  BEHAVIOR AND 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 WIND...LOW RELATIVE HUMIDITY...AND HEAT WILL CONTRIBUTE TO
EXTREME FIRE BEHAVIOR.

&&

$$

CAZ248-250-257-265-554-261300-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY INLAND AREAS-
956 PM PDT SUN SEP 25 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT MONDAY FOR
STRONG GUSTY WINDS AND LOW HUMIDITY FOR THE SANTA ANA MOUNTAINS...
 THE INLAND EMPIRE...AND INLAND ORANGE COUNTY...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 30 MPH WITH GUSTS UP TO
  45 MPH...STRONGEST WINDS BELOW THE CAJON AND SAN GORGONIO
  PASSES...AND NEAR THE SANTA ANA MOUNTAINS AND FOOTHILLS THROUGH
  MONDAY MORNING.

* RELATIVE HUMIDITY...LOWEST OF 6 TO 10 PERCENT WITH POOR
  OVERNIGHT RECOVERY.

* OUTLOOK...INCREASING HUMIDITY...DECREASING WIND...AND GRADUAL 
  COOLING TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE
  BEHAVIOR AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

JMB
978 
WWUS86 KSGX 261136
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
436 AM PDT MON SEP 26 2016

...RED FLAG WARNING CONTINUES THROUGH 3 PM TODAY FOR LOW
HUMIDITIES AND STRONG GUSTY WINDS NEAR THE COASTAL FOOTHILLS...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST AND SURFACE
HIGH PRESSURE OVER THE GREAT BASIN WILL CONTINUE HOT DRY
CONDITIONS TODAY WITH LOCALLY STRONG GUSTY EAST TO NORTHEAST WINDS
NEAR THE COASTAL FOOTHILLS...STRONGEST IN SAN DIEGO COUNTY.

CAZ255-256-258-261945-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
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-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
436 AM PDT MON SEP 26 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WINDS...AREAS OF NORTHEAST WINDS 15 TO 30 MPH WITH GUSTS TO 50
  MPH...STRONGEST ALONG WIND-PRONE COASTAL SLOPES AND BELOW
  CANYONS.

* RELATIVE HUMIDITIES...LOWEST OF 8 TO 15 PERCENT.

* OUTLOOK...INCREASING HUMIDITIES...DECREASING WIND...AND COOLING
  FOR TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE 
  BEHAVIOR AND 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 WIND...LOW RELATIVE HUMIDITY...AND HEAT WILL CONTRIBUTE TO
EXTREME FIRE BEHAVIOR.

&&

$$

CAZ248-250-257-265-554-261945-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY INLAND AREAS-
436 AM PDT MON SEP 26 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON FOR STRONG GUSTY WINDS AND LOW HUMIDITIES...

* WINDS...AREAS OF NORTHEAST TO EAST WINDS 15 TO 25 MPH WITH
  GUSTS TO 40 MPH...WITH GUSTS TO 50 MPH BELOW THE BANNING PASS.

* RELATIVE HUMIDITIES...LOWEST OF 6 TO 10 PERCENT.

* OUTLOOK...INCREASING HUMIDITIES...DECREASING WINDS...AND COOLING
  FOR TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE 
  BEHAVIOR AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

17
851 
WWUS86 KSGX 261920
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1220 PM PDT MON SEP 26 2016

...RED FLAG WARNING CONTINUES THROUGH 3 PM TODAY FOR LOW
HUMIDITY AND GUSTY WINDS NEAR THE COASTAL FOOTHILLS...

.STRONG HIGH PRESSURE ALOFT OFF THE CALIFORNIA COAST AND SURFACE
HIGH PRESSURE OVER THE GREAT BASIN WILL CONTINUE HOT DRY
CONDITIONS TODAY WITH LOCALLY STRONG GUSTY EAST TO NORTHEAST
WINDS NEAR THE COASTAL FOOTHILLS...STRONGEST IN SAN DIEGO COUNTY.
CONDITIONS WILL IMPROVE TONIGHT THROUGH WEDNESDAY.

CAZ255-256-258-262200-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
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-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
1220 PM PDT MON SEP 26 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON FOR GUSTY WINDS AND LOW HUMIDITY ALONG THE COASTAL
FOOTHILLS...

* WINDS...AREAS OF EAST TO NORTHEAST WINDS 15 TO 25 MPH WITH GUSTS
  TO 35 TO 45 MPH...STRONGEST ALONG WIND-PRONE COASTAL SLOPES AND
  BELOW CANYONS.

* RELATIVE HUMIDITY...LOWEST OF 8 TO 15 PERCENT.

* OUTLOOK...INCREASING HUMIDITY...DECREASING WIND...AND COOLING
  TUESDAY INTO WEDNESDAY WITH A CHANCE OF SHOWERS AND ISOLATED
  THUNDERSTORMS.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE 
  BEHAVIOR AND 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 WIND...LOW RELATIVE HUMIDITY...AND HEAT WILL CONTRIBUTE TO
EXTREME FIRE BEHAVIOR.

&&

$$

CAZ248-250-257-265-554-262200-
/O.CON.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY INLAND AREAS-
1220 PM PDT MON SEP 26 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON FOR STRONG GUSTY WINDS AND LOW HUMIDITY ALONG THE
COASTAL FOOTHILLS...

* WINDS...AREAS OF NORTHEAST TO EAST WINDS 15 TO 25 MPH WITH GUSTS
  TO 35 MPH...LOCAL GUSTS TO 45 MPH BELOW THE SAN GORGONIO PASS.

* RELATIVE HUMIDITY...LOWEST OF 6 TO 10 PERCENT.

* OUTLOOK...INCREASING HUMIDITY...DECREASING WINDS...AND COOLING
  TUESDAY INTO WEDNESDAY.

* IMPACTS...ANY FIRES THAT START MAY EXHIBIT EXTREME FIRE BEHAVIOR
  AND 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 HEAT WILL CONTRIBUTE
TO EXTREME FIRE BEHAVIOR.

&&

$$

JAD
507 
WWUS86 KSGX 262157
RFWSGX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
257 PM PDT MON SEP 26 2016

CAZ255-256-258-262300-
/O.EXP.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
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-SAN DIEGO COUNTY MOUNTAINS-
INCLUDING THE PALOMAR AND DESCANSO RANGER DISTRICTS OF THE
CLEVELAND NATIONAL FOREST-
257 PM PDT MON SEP 26 2016

...RED FLAG WARNING WILL EXPIRE AT 3 PM PDT THIS AFTERNOON FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE MOUNTAINS AND VALLEYS...

$$

CAZ248-250-257-265-554-262300-
/O.EXP.KSGX.FW.W.0005.000000T0000Z-160926T2200Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE-
SAN DIEGO COUNTY INLAND VALLEYS-SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST-SAN GORGONIO PASS NEAR BANNING-ORANGE COUNTY INLAND AREAS-
257 PM PDT MON SEP 26 2016

...RED FLAG WARNING WILL EXPIRE AT 3 PM PDT THIS AFTERNOON FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE MOUNTAINS AND VALLEYS...

EAST WINDS HAVE WEAKENED TO BELOW RED FLAG CRITERIA AND WILL
CONTINUE TO WEAKEN THROUGH THE AFTERNOON. WHILE HUMIDITY WILL
REMAIN BELOW 15 PERCENT WEST OF THE MOUNTAINS THIS
AFTERNOON...IMPROVEMENT IS EXPECTED LATER THIS EVENING. HUMIDITY
WILL INCREASE FURTHER OVERNIGHT...ESPECIALLY OVER THE MOUNTAINS.
THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 3 PM.

$$

SS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 8:17 AM PDTBeach Hazards StatementSGXOrange, San Diego36 hr

Nearby

Red Flag Warnings in California, 2016Every red flag warning in 2016

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.