Alert archive / Oregon / Red Flag Warnings in 2012

Red Flag Warning 7, NWS Medford, OR

August 6, 2012Harney County, Klamath County, Lake County, Oregon

NWS Medford, OR issued this red flag warning at Aug 6, 2012, 4:04 AM PDT for Harney County, Klamath County, Lake County, Oregon. It took effect at Aug 6, 2012, 2:00 PM PDT. It was in force for 6 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
Aug 6, 2012, 4:04 AM PDT (11:04 UTC)
In effect from
Aug 6, 2012, 2:00 PM PDT
Expired
Aug 6, 2012, 8:00 PM PDT
In force
6 hr
Issued by
NWS Medford, OR

Counties Harney County, OR, Klamath County, OR, Lake County, OR

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 11.1 hours before the alert went out and 209 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 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 265 joules per kilogram.LCLLFCEL10008507005003002001001 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 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
265 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
2963 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
94 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.

637 
WWUS86 KMFR 061104
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
404 AM PDT MON AUG 6 2012

...DRY AND UNSTABLE CONDITIONS THIS AFTERNOON ARE EXPECTED TO
AFFECT THE LAVA FIRE AND OTHER ONGOING FIRES IN PORTIONS OF LAKE
AND KLAMATH COUNTIES...

...GUSTY WINDS AND LOW RELATIVE HUMIDITIES ARE EXPECTED TO IMPACT
MODOC COUNTY TUESDAY AFTERNOON...


ORZ624-625-062315-
/O.NEW.KMFR.FW.W.0007.120806T2100Z-120807T0300Z/
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
404 AM PDT MON AUG 6 2012

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM
PDT THIS EVENING FOR HAINES INDEX FOR FIRE ZONES 624 AND 625...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 PM PDT
THIS EVENING. 

* AFFECTED AREA: FIRE ZONES 624 AND 625 

* HAINES...HAINES INDEX VALUES OF 6 WILL IMPACT THE LAVA FIRE AND
  OTHER ONGOING FIRES.

* TEMPERATURES/HUMIDITY...AFTERNOON TEMPERATURES AROUND 90 WITH
  HUMIDITIES IN THE LOW TEENS TO NEAR 10 PERCENT ARE EXPECTED.

* IMPACTS...HAINES 6 CONDITIONS ALONG WITH HOT AND DRY CONDITIONS
  WILL LEAD TO SIGNIFICANT POTENTIAL FOR LARGE FIRE GROWTH ON THE
  LAVA FIRE AND OTHER ONGOING FIRES THIS AFTERNOON AND EVENING.

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.

&&

$$

CAZ285-062315-
/O.NEW.KMFR.FW.A.0005.120807T2100Z-120808T0300Z/
MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
404 AM PDT MON AUG 6 2012

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING FOR THE COMBINATION OF GUSTY WINDS AND LOW
RELATIVE HUMIDITIES FOR FIRE ZONE 285...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING. 

* AFFECTED AREA: FIRE ZONE 285 

* WIND...AFTERNOON WEST WIND GUSTS OF 20 TO 30 MPH ARE EXPECTED.

* HUMIDITY...AFTERNOON RELATIVE HUMIDITIES OF 10 PERCENT OR LOWER
  ARE EXPECTED.

* IMPACTS...THE POTENTIAL FOR GUSTY WINDS AND LOW RELATIVE
  HUMIDITIES MAY RESULT IN EXPLOSIVE FIRE GROWTH TUESDAY AFTERNOON.


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.

&&

$$

SK
VISIT US AT WWW.WEATHER.GOV/MEDFORD
3 follow-up statements
721 
WWUS86 KMFR 062121
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
221 PM PDT MON AUG 6 2012

...GUSTY WINDS AND LOW RELATIVE HUMIDITIES ARE EXPECTED TO IMPACT
MODOC COUNTY TUESDAY AFTERNOON...

CAZ285-062230-
/O.CAN.KMFR.FW.A.0005.120807T2100Z-120808T0300Z/
MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
221 PM PDT MON AUG 6 2012

...FIRE WEATHER WATCH IS CANCELLED FOR HAINES INDEX FOR FIRE ZONE
285...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE FIRE
WEATHER WATCH. 

TUESDAY IS STILL EXPECTED TO BE HOT AND DRY ACROSS MODOC COUNTY.
WHILE GUSTY SOUTHWEST WINDS ARE ALSO STILL EXPECTED IN THE
AFTERNOON...THEY SHOULD REMAIN BELOW RED FLAG CRITERIA. THUS...THE
FIRE WEATHER WATCH HAS BEEN CANCELLED.

$$

ORZ624-625-070300-
/O.CON.KMFR.FW.W.0007.000000T0000Z-120807T0300Z/
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
221 PM PDT MON AUG 6 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR HAINES INDEX FOR FIRE ZONES 624 AND 625...

* AFFECTED AREA: FIRE ZONES 624 AND 625 

* HAINES...HOT AND DRY CONDITIONS WILL LEAD TO HAINES 6 THIS
  AFTERNOON AND EARLY EVENING OVER THE WARNING AREA.

* TEMPERATURES/HUMIDITY...AFTERNOON TEMPERATURES IN THE LOW 90S WITH
  MINIMUM HUMIDITIES AROUND 10 PERCENT WILL CONTINUE.

* IMPACTS...HOT AND DRY CONDITIONS WILL PROMOTE LARGE FIRE GROWTH
  ON THE LAVA FIRE AND OTHER ONGOING FIRES THIS AFTERNOON AND
  EVENING.

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
700 
WWUS86 KMFR 062147 CCA
RFWMFR

URGENT - FIRE WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE MEDFORD OR
244 PM PDT MON AUG 6 2012

CAZ285-062245-
/O.COR.KMFR.FW.A.0005.120807T2100Z-120808T0300Z/
MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
244 PM PDT MON AUG 6 2012

...FIRE WEATHER WATCH FOR THE COMBINATION OF GUSTY WINDS AND LOW
RELATIVE HUMIDITIES IS CANCELLED FOR FIRE ZONE 285...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE FIRE
WEATHER WATCH. 

TUESDAY IS STILL EXPECTED TO BE HOT AND DRY ACROSS MODOC COUNTY.
WHILE GUSTY SOUTHWEST WINDS ARE ALSO STILL EXPECTED IN THE
AFTERNOON...THEY SHOULD REMAIN BELOW RED FLAG CRITERIA. THUS...THE
FIRE WEATHER WATCH HAS BEEN CANCELLED.

$$

ORZ624-625-070300-
/O.CON.KMFR.FW.W.0007.000000T0000Z-120807T0300Z/
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
244 PM PDT MON AUG 6 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR HAINES INDEX FOR FIRE ZONES 624 AND 625...

* AFFECTED AREA: FIRE ZONES 624 AND 625 

* HAINES...HOT AND DRY CONDITIONS WILL LEAD TO HAINES 6 THIS
  AFTERNOON AND EARLY EVENING OVER THE WARNING AREA.

* TEMPERATURES/HUMIDITY...AFTERNOON TEMPERATURES IN THE LOW 90S WITH
  MINIMUM HUMIDITIES AROUND 10 PERCENT WILL CONTINUE.

* IMPACTS...HOT AND DRY CONDITIONS WILL PROMOTE LARGE FIRE GROWTH
  ON THE LAVA FIRE AND OTHER ONGOING FIRES THIS AFTERNOON AND
  EVENING.

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.

&&

$$

WRIGHT

VISIT US AT WWW.WEATHER.GOV/MEDFORD
879 
WWUS86 KMFR 070254
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
754 PM PDT MON AUG 6 2012


.TUESDAY IS STILL EXPECTED TO BE HOT AND DRY. WHILE GUSTY
SOUTHWEST WINDS ARE ALSO STILL EXPECTED IN THE AFTERNOON...THEY
SHOULD REMAIN BELOW RED FLAG CRITERIA..

ORZ624-625-070400-
/O.EXP.KMFR.FW.W.0007.000000T0000Z-120807T0300Z/
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
754 PM PDT MON AUG 6 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
HAINES INDEX FOR FIRE ZONES 624 AND 625...
 

$$

PETRUCELLI 

VISIT US AT WWW.WEATHER.GOV/MEDFORD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 5:46 PM PDTSevere Thunderstorm WarningMFRLake44 min
Aug 5, 6:09 PM PDTSevere Thunderstorm WarningMFRJosephine36 min
Aug 5, 8:17 PM PDTSpecial Weather StatementMFRKlamath43 min

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.