Alert archive / Oregon / Red Flag Warnings in 2012

Red Flag Warning 22, NWS Medford, OR

October 6, 20124 counties in Oregon

NWS Medford, OR issued this red flag warning at Oct 6, 2012, 3:19 AM PDT for 4 counties in Oregon. It took effect at Oct 6, 2012, 11:00 PM PDT. It was in force for 13 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 6, 2012, 3:19 AM PDT (10:19 UTC)
In effect from
Oct 6, 2012, 11:00 PM PDT
Expired
Oct 7, 2012, 12:00 PM PDT
In force
13 hr
Issued by
NWS Medford, OR

Counties Douglas County, OR, Jackson County, OR, Klamath County, OR, Lane County, OR

The radar

The Medford radar (KMAX), 112 km from the middle of the area, began a volume at 10:18 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 00:00Z, 10.3 hours before the alert went out and 81 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 00:00Z on 2012-10-06Temperature 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 00:00Z on 2012-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
3638 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
96 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.

631 
WWUS86 KMFR 061019
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
319 AM PDT SAT OCT 6 2012

ORZ617-623-062300-
/O.UPG.KMFR.FW.A.0020.121007T0600Z-121007T1600Z/
/O.NEW.KMFR.FW.W.0022.121007T0600Z-121007T1600Z/
UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES-
319 AM PDT SAT OCT 6 2012

...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
SUNDAY FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE ZONES 617 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
SUNDAY. THE FIRE WEATHER WATCH HAS BEEN UPGRADED.

* AFFECTED AREA: FIRE ZONES 617 AND 623.

* WIND...EAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 30 MPH ARE
  FORECAST IN THE SOUTHERN OREGON CASCADES LATE THIS EVENING
  THROUGH THE OVERNIGHT HOURS INTO EARLY SUNDAY MORNING.

* HUMIDITY...HUMIDITY RECOVERIES OF ONLY 20 TO 35 PERCENT ARE
  EXPECTED IN FIRE ZONE 623 AND THE CASCADE MOUNTAINS IN FIRE ZONE
  617 TONIGHT.

* IMPACTS...CONTINUED ACTIVE FIRE BEHAVIOR CAN BE EXPECTED IN 
  THE OVERNIGHT AND EARLY MORNING HOURS. CAMP FIRES SHOULD BE 
  MONITORED CONTINUOUSLY AND FULLY EXTINGUISHED BEFORE GOING TO 
  SLEEP.

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

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.

&&

$$
DW

VISIT US AT WWW.WEATHER.GOV/MEDFORD
3 follow-up statements
613 
WWUS86 KMFR 062145
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
245 PM PDT SAT OCT 6 2012

ORZ617-623-071900-
/O.EXT.KMFR.FW.W.0022.121007T0600Z-121007T1900Z/
UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES-
245 PM PDT SAT OCT 6 2012

...RED FLAG WARNING NOW IN EFFECT FROM 11 PM THIS EVENING TO NOON
PDT SUNDAY FOR COMBINATION OF STRONG WINDS AND LOW RELATIVE
HUMIDITIES FOR FIRE ZONES 617 AND 623...

THE RED FLAG WARNING IS NOW IN EFFECT FROM 11 PM THIS EVENING TO
NOON PDT SUNDAY. 

* AFFECTED AREA: FIRE ZONES 617 AND 623.

* WIND...EAST WINDS OF 10 TO 20 MPH WITH GUSTS TO 20 TO 30 MPH
  ARE FORECAST IN THE SOUTHERN OREGON CASCADES LATE THIS EVENING
  THROUGH THE OVERNIGHT HOURS INTO EARLY SUNDAY MORNING.

* HUMIDITY...HUMIDITY RECOVERIES OF ONLY 20 TO 35 PERCENT ARE
  EXPECTED.

* IMPACTS...THESE CONDITIONS WILL LEAD TO THE POTENTIAL FOR
  EXPLOSIVE FIRE GROWTH DURING THE WARNING PERIOD. THOSE WITH CAMP
  FIRES SHOULD MONITOR THEM CLOSELY FOR THE POTENTIAL OF BURNING
  EMBERS LEAVING FIRE PITS. FIRES SHOULD BE FULLY EXTINGUISHED
  BEFORE THEY ARE LEFT UNATTENDED.

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

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.

&&

$$

BTL

VISIT US AT WWW.WEATHER.GOV/MEDFORD
296 
WWUS86 KMFR 071338
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
638 AM PDT SUN OCT 7 2012

ORZ617-623-071900-
/O.CON.KMFR.FW.W.0022.000000T0000Z-121007T1900Z/
UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES-
638 AM PDT SUN OCT 7 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL NOON PDT TODAY FOR
COMBINATION OF STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE
ZONES 617 AND 623...

* AFFECTED AREA: FIRE ZONES 617 AND 623.

* WIND...EAST WINDS OF 5 TO 15 MPH WITH GUSTS OF 15 TO 25 MPH WILL
  PERSIST IN THE SOUTHERN OREGON CASCADES THIS MORNING THEN
  DIMINISH AROUND NOON.

* HUMIDITY...RELATIVE HUMIDITY WILL PERSIST AT 10 TO 20 PERCENT
  THIS MORNING INTO THE AFTERNOON.

* IMPACTS...THESE CONDITIONS HAVE THE POTENTIAL FOR EXPLOSIVE FIRE
  GROWTH THIS MORNING. THOSE WITH CAMP FIRES SHOULD MONITOR THEM
  CLOSELY FOR THE POTENTIAL OF BURNING EMBERS LEAVING FIRE PITS.
  FIRES SHOULD BE FULLY EXTINGUISHED BEFORE THEY ARE LEFT
  UNATTENDED.

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

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.

&&

$$
DW

VISIT US AT WWW.WEATHER.GOV/MEDFORD
265 
WWUS86 KMFR 071855
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
1155 AM PDT SUN OCT 7 2012

ORZ617-623-072000-
/O.EXP.KMFR.FW.W.0022.000000T0000Z-121007T1900Z/
UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES-
1155 AM PDT SUN OCT 7 2012

...RED FLAG WARNING WILL EXPIRE AT NOON PDT TODAY FOR COMBINATION
   OF STRONG WINDS AND LOW RELATIVE HUMIDITIES FOR FIRE ZONES
   617 AND 623...

THE RED FLAG WARNING WILL EXPIRE AT NOON PDT TODAY. 

$$

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 6, 1:43 PM PDTFrost AdvisoryMFRCurry, Jackson, Josephine19 hr
Oct 6, 1:43 PM PDTFreeze WarningMFRKlamath19 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.