Alert archive / Oregon / Red Flag Warnings in 2012

Red Flag Warning 20, NWS Medford, OR

October 2, 20124 counties in Oregon

NWS Medford, OR issued this red flag warning at Oct 2, 2012, 2:57 PM PDT for 4 counties in Oregon. It took effect at Oct 2, 2012, 11:00 PM PDT. It was in force for 9 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
Oct 2, 2012, 2:57 PM PDT (21:57 UTC)
In effect from
Oct 2, 2012, 11:00 PM PDT
Expired
Oct 3, 2012, 8:21 AM PDT
In force
9 hr
Issued by
NWS Medford, OR

Counties Coos County, OR, Curry County, OR, Jackson County, OR, Josephine County, OR

The radar

The Medford radar (KMAX), 97 km from the middle of the area, began a volume at 21:55 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.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 10.0 hours before the alert went out and 75 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, Medford/Jackson, OR at 12:00Z on 2012-10-02Temperature 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, Medford/Jackson, OR at 12:00Z on 2012-10-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.193958Sfc1 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
2099 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
-14 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.

712 
WWUS86 KMFR 022157
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
257 PM PDT TUE OCT 2 2012

ORZ621-031300-
/O.NEW.KMFR.FW.W.0020.121003T0600Z-121003T1600Z/
/O.NEW.KMFR.FW.A.0019.121004T0600Z-121004T1600Z/
SISKIYOU MOUNTAINS-
257 PM PDT TUE OCT 2 2012

...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
WEDNESDAY FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE ZONE 621...
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY MORNING FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE ZONE 621...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
WEDNESDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE
WEATHER WATCH IS IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY MORNING. 

* AFFECTED AREA: THE RIDGES OF FIRE ZONE 621 

* WIND...NORTHEAST WINDS OF 10 TO 15 MPH WITH GUSTS UP TO 25 MPH
  WILL DEVELOP THIS EVENING AND CONTINUE OVERNIGHT ON THE RIDGES.
  THESE WINDS WILL DEVELOP AGAIN WEDNESDAY NIGHT...LASTING INTO
  THURSDAY MORNING.

* HUMIDITY...HUMIDITIES WILL RECOVER ONLY TO 25 TO 30 PERCENT
  OVERNIGHT ON THE RIDGES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR 

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN THE
  OVERNIGHT HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL
CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

ORZ618>620-031300-
/O.NEW.KMFR.FW.W.0020.121003T0600Z-121003T1600Z/
SOUTHERN OREGON COAST-WESTERN ROGUE RIVER-
SISKIYOU NATIONAL FOREST-
WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY-
257 PM PDT TUE OCT 2 2012

...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
WEDNESDAY FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE ZONES 618...619 AND 620...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
WEDNESDAY. 

* AFFECTED AREA: THE RIDGES OF FIRE ZONES 618...620 AND 619 

* WIND...NORTHEAST WINDS OF 10 TO 15 MPH WITH GUSTS UP TO 25 MPH
  WILL DEVELOP THIS EVENING AND CONTINUE OVERNIGHT ON THE RIDGES.
  THESE WINDS WILL DEVELOP AGAIN WEDNESDAY NIGHT...LASTING INTO
  THURSDAY MORNING.

* HUMIDITY...HUMIDITIES WILL RECOVER ONLY TO 25 TO 30 PERCENT
  OVERNIGHT ON THE RIDGES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR 

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN THE
  OVERNIGHT HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL
CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

&&

$$

ORZ617-622-623-031300-
/O.NEW.KMFR.FW.A.0019.121004T0600Z-121004T1600Z/
UMPQUA NATIONAL FOREST-EASTERN ROGUE VALLEY-
SOUTHERN OREGON CASCADES-
257 PM PDT TUE OCT 2 2012

...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY MORNING FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE ZONES 617...622 AND 623...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY MORNING. 

* AFFECTED AREA: FIRE ZONES 622...623 AND 617 

* WIND...EAST WINDS OF 10 TO 20 MPH WILL DEVELOP AND CONTINUE
  THROUGH THE OVERNIGHT HOURS WEDNESDAY EVENING INTO THURSDAY
  MORNING. 

* HUMIDITY...HUMIDITIES WILL RECOVER ONLY TO 20 TO 30 PERCENT
  OVERNIGHT ON THE RIDGES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR 

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN THE
  OVERNIGHT HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$
SVEN

VISIT US AT WWW.WEATHER.GOV/MEDFORD
2 follow-up statements
929 
WWUS86 KMFR 031102
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
402 AM PDT WED OCT 3 2012

ORZ621-032315-
/O.CON.KMFR.FW.W.0020.000000T0000Z-121003T1600Z/
/O.CON.KMFR.FW.A.0019.121004T0600Z-121004T1600Z/
SISKIYOU MOUNTAINS-
402 AM PDT WED OCT 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING
FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR
FIRE ZONE 621...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE ZONE 621...

* AFFECTED AREA: FIRE ZONE 621 

* WIND...NORTHEAST WINDS OF 10 TO 15 MPH WITH GUSTS UP TO 2O MPH
  WILL CONTINUE THIS MORNING ON THE RIDGES. THESE WINDS WILL
  DEVELOP AGAIN THIS EVENING...LASTING INTO EARLY THURSDAY
  MORNING.

* HUMIDITY...HUMIDITIES WILL RECOVER ONLY TO 25 TO 30 PERCENT 
  OVERNIGHT ON THE RIDGES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN 
  THE OVERNIGHT HOURS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL
CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$

ORZ618>620-031600-
/O.CON.KMFR.FW.W.0020.000000T0000Z-121003T1600Z/
SOUTHERN OREGON COAST-WESTERN ROGUE RIVER-
SISKIYOU NATIONAL FOREST-
WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY-
402 AM PDT WED OCT 3 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING
FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR
FIRE ZONES 618...619 AND 620...


* AFFECTED AREA: FIRE ZONES 618...620 AND 619 

* WIND...NORTHEAST WINDS OF 10 TO 15 MPH WITH GUSTS UP TO 25 MPH
  WILL CONTINUE THIS MORNING ON THE RIDGES. 

* HUMIDITY...HUMIDITIES WILL RECOVER ONLY TO 20 TO 30 PERCENT 
  OVERNIGHT ON THE RIDGES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN 
  THE OVERNIGHT HOURS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL
CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

&&

$$

ORZ617-622-623-032315-
/O.CON.KMFR.FW.A.0019.121004T0600Z-121004T1600Z/
UMPQUA NATIONAL FOREST-EASTERN ROGUE VALLEY-
SOUTHERN OREGON CASCADES-
402 AM PDT WED OCT 3 2012

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
THURSDAY MORNING FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE ZONES 617...622 AND 623...

* AFFECTED AREA: FIRE ZONES 622...623 AND 617 

* WIND...EAST WINDS OF 10 TO 20 MPH WILL DEVELOP THIS EVENING AND
  CONTINUE THROUGH THE OVERNIGHT HOURS AND INTO EARLY THURSDAY
  MORNING.

* HUMIDITY...HUMIDITIES WILL RECOVER ONLY TO 20 TO 30 PERCENT 
  OVERNIGHT ON THE RIDGES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN 
  THE OVERNIGHT HOURS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

&&

$$


VISIT US AT WWW.WEATHER.GOV/MEDFORD
124 
WWUS86 KMFR 031521
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
821 AM PDT WED OCT 3 2012

ORZ621-040330-
/O.CAN.KMFR.FW.W.0020.000000T0000Z-121003T1600Z/
/O.UPG.KMFR.FW.A.0019.121004T0600Z-121004T1600Z/
/O.NEW.KMFR.FW.W.0021.121004T0600Z-121004T1600Z/
SISKIYOU MOUNTAINS-
821 AM PDT WED OCT 3 2012

...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
   THURSDAY FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
   HUMIDITIES FOR FIRE ZONE 621...
...RED FLAG WARNING IS CANCELLED FOR COMBINATION OF STRONG WINDS
   AND LOW RELATIVE HUMIDITIES FOR FIRE ZONE 621...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
THURSDAY. THE RED FLAG WARNING HAS BEEN CANCELLED. THE FIRE
WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA: FIRE ZONE 621 

* WIND...NORTHEAST WINDS OF 10 TO 15 MPH WITH GUSTS UP TO 20 MPH
  WILL DEVELOP ON THE RIDGES THIS EVENING AND CONTINUE INTO EARLY
  THURSDAY MORNING.

* HUMIDITY...HUMIDITY RECOVERIES OF 25 TO 30 PERCENT OVERNIGHT ON
  THE RIDGES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN 
  THE OVERNIGHT HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL
CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

&&

$$

ORZ618>620-031630-
/O.CAN.KMFR.FW.W.0020.000000T0000Z-121003T1600Z/
SOUTHERN OREGON COAST-WESTERN ROGUE RIVER-
SISKIYOU NATIONAL FOREST-
WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY-
821 AM PDT WED OCT 3 2012

...RED FLAG WARNING IS CANCELLED FOR COMBINATION OF STRONG WINDS
   AND LOW RELATIVE HUMIDITIES FOR FIRE ZONES 618...619 AND 620...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE RED
FLAG WARNING. 

$$

ORZ617-622-623-040330-
/O.UPG.KMFR.FW.A.0019.121004T0600Z-121004T1600Z/
/O.NEW.KMFR.FW.W.0021.121004T0600Z-121004T1600Z/
UMPQUA NATIONAL FOREST-EASTERN ROGUE VALLEY-
SOUTHERN OREGON CASCADES-
821 AM PDT WED OCT 3 2012

...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
   THURSDAY FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
   HUMIDITIES FOR FIRE ZONES 617...622 AND 623...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
THURSDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA: FIRE ZONES 622...623 AND 617 

* WIND...EAST WINDS 10 TO 20 MPH WILL DEVELOP THIS EVENING AND
  CONTINUE INTO EARLY THURSDAY MORNING.

* HUMIDITY...HUMIDITY RECOVERIES OF 20 TO 30 PERCENT OVERNIGHT ON
  THE RIDGES.

* FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT 
  HTTP://WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=MFR

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN 
  THE OVERNIGHT HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. THESE CONDITIONS WILL
CREATE THE POTENTIAL FOR EXPLOSIVE FIRE GROWTH.

&&

$$

VISIT US AT WWW.WEATHER.GOV/MEDFORD

STOCKTON

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 1, 7:22 PM PDTFreeze WatchMFRKlamath8 hr
Oct 2, 3:26 AM PDTFrost AdvisoryMFRKlamath29 hr
Oct 2, 2:57 PM PDTFire Weather WatchMFRDouglas, Jackson, Josephine, Klamath, Lane17 hr

Nearby

Red Flag Warnings in Oregon, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.