Alert archive / Oregon / Red Flag Warnings in 2015

Red Flag Warning 21, NWS Medford, OR

August 10, 20154 counties in Oregon; Siskiyou County, California

NWS Medford, OR issued this red flag warning at Aug 10, 2015, 3:01 PM PDT for 4 counties in Oregon; Siskiyou County, California. It took effect at Aug 11, 2015, 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 10, 2015, 3:01 PM PDT (22:01 UTC)
In effect from
Aug 11, 2015, 2:00 PM PDT
Expired
Aug 11, 2015, 8:00 PM PDT
In force
6 hr
Issued by
NWS Medford, OR

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

The radar

The Medford radar (KMAX), 79 km from the middle of the area, began a volume at 22:02 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 49 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 2015-08-10Temperature 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 2015-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
1766 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
48 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.

977 
WWUS86 KMFR 102201
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
301 PM PDT MON AUG 10 2015

CAZ281-111215-
/O.CAN.KMFR.FW.W.0020.000000T0000Z-150811T0600Z/
/O.UPG.KMFR.FW.A.0013.150811T2000Z-150812T0400Z/
/O.NEW.KMFR.FW.W.0021.150811T2100Z-150812T0300Z/
CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY-
301 PM PDT MON AUG 10 2015

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR
   STRONG WIND GUSTS AND LOW RELATIVE HUMIDITIES FOR FIRE WEATHER
   ZONE 281... 
...RED FLAG WARNING FOR TODAY IS CANCELLED FOR ABUNDANT LIGHTNING
   WITH DRY FUELS FOR FIRE WEATHER ZONE 281...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY. THE
RED FLAG WARNING FOR TODAY HAS BEEN CANCELLED. THE FIRE WEATHER
WATCH IS NO LONGER IN EFFECT.

* IMPACTS: STRONG GUSTY WIND WITH LOW RELATIVE HUMIDITY AND
  HIGH FIRE DANGER WILL LIKELY CONTRIBUTE TO A SIGNIFICANT SPREAD
  OF NEW AND EXISTING FIRES. 

* AFFECTED AREA: IN NORTHERN CA...FIRE WEATHER ZONE 281. MOSTLY
  ALONG A STRIP EXTENDING FROM WEED TO MONTAGUE.

* COUNTIES AFFECTED: IN NORTHERN CALIFORNIA...CENTRAL SISKIYOU
  COUNTY. MOSTLY ALONG A STRIP EXTENDING FROM WEED TO MONTAGUE.

* WIND AND RELATIVE HUMIDITIES...RELATIVE HUMIDITIES WILL LOWER
  TO 10 TO 15 PERCENT WITH SOUTH WINDS GUSTING TO 30 MPH.

* VIEW THE HAZARD AREA IN DETAIL AT
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED THUNDERSTORMS
COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE MANY FIRE STARTS
MAY OCCUR IN A SHORT PERIOD OF TIME.

&&

$$

CAZ280-ORZ621-102315-
/O.CAN.KMFR.FW.W.0020.000000T0000Z-150811T0600Z/
WESTERN KLAMATH NATIONAL FOREST-SISKIYOU MOUNTAINS-
301 PM PDT MON AUG 10 2015

...RED FLAG WARNING IS CANCELLED FOR ABUNDANT LIGHTNING WITH DRY
   FUELS FOR FIRE WEATHER ZONES 280 AND 621...

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

$$

ORZ620-102315-
/O.CAN.KMFR.FW.W.0020.000000T0000Z-150811T1500Z/
WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY-
301 PM PDT MON AUG 10 2015

...RED FLAG WARNING IS CANCELLED FOR ABUNDANT LIGHTNING WITH DRY
   FUELS FOR FIRE WEATHER ZONE 620...

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

$$

ORZ615-619-102315-
/O.CAN.KMFR.FW.W.0020.150811T0600Z-150811T1500Z/
SOUTH CENTRAL OREGON COAST-WESTERN ROGUE RIVER-
SISKIYOU NATIONAL FOREST-
301 PM PDT MON AUG 10 2015

...RED FLAG WARNING IS CANCELLED FOR ABUNDANT LIGHTNING WITH DRY
   FUELS FOR FIRE WEATHER ZONES 615 AND 619...

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

$$

ORZ617-623-111215-
/O.NEW.KMFR.FW.W.0021.150812T0000Z-150812T0600Z/
/O.CON.KMFR.FW.W.0020.000000T0000Z-150811T0600Z/
UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES-
301 PM PDT MON AUG 10 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
   FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 
   617 AND 623... 
...RED FLAG WARNING IN EFFECT FROM 5 PM TO 11 PM PDT TUESDAY FOR
   ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 617 
   AND 623...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 5 PM TO 11 PM PDT TUESDAY.

* IMPACTS:  LIGHTNING AND HIGH FIRE DANGER WILL LIKELY
  RESULT IN NEW FIRE STARTS. GUSTY THUNDERSTORM WINDS COULD
  CONTRIBUTE TO FIRE SPREAD. DESPITE RAINFALL...INITIAL ATTACK
  RESOURCES COULD BE OVERWHELMED AND HOLDOVER FIRES ARE POSSIBLE.

* AFFECTED AREA: IN SOUTHWEST OR...FIRE WEATHER ZONES 617 AND 623.
  MOST OF ZONE 617 IS AFFECTED. ON MONDAY NEARLY ALL OF 623 IS
  INCLUDING IN THE WARNING. ON TUESDAY THE WARNING AREA WILL
  EXTEND NORTH FROM AROUND CRATER LAKE.

* COUNTIES AFFECTED: IN SOUTHERN OREGON...FAR EASTERN DOUGLAS...FAR
  EASTERN JACKSON (MONDAY ONLY)...FAR WESTERN KLAMATH.
 
* VIEW THE HAZARD AREA IN DETAIL AT
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED THUNDERSTORMS
COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE MANY FIRE STARTS
MAY OCCUR IN A SHORT PERIOD OF TIME.

&&

$$

ORZ616-110600-
/O.EXT.KMFR.FW.W.0020.000000T0000Z-150811T0600Z/
UMPQUA BASIN-
301 PM PDT MON AUG 10 2015

...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT THIS EVENING FOR
   ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONE 616...

* IMPACTS: LIGHTNING AND HIGH FIRE DANGER WILL LIKELY RESULT IN
  NEW FIRE STARTS. GUSTY THUNDERSTORM WINDS COULD CONTRIBUTE TO
  FIRE SPREAD. DESPITE RAINFALL...INITIAL ATTACK RESOURCES COULD
  BE OVERWHELMED AND HOLDOVER FIRES ARE POSSIBLE.

* AFFECTED AREA: THE EXTREME NORTHEAST CORNER OF FIRE WEATHER
  ZONE 616.

* COUNTIES AFFECTED: NORTHEAST DOUGLAS COUNTY.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED THUNDERSTORMS
COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE MANY FIRE STARTS
MAY OCCUR IN A SHORT PERIOD OF TIME.

&&

$$

ORZ622-624-110600-
/O.CON.KMFR.FW.W.0020.000000T0000Z-150811T0600Z/
EASTERN ROGUE VALLEY-KLAMATH BASIN AND THE FREMONT-
WINEMA NATIONAL FOREST-
301 PM PDT MON AUG 10 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
   FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER ZONES 
   622 AND 624...

* IMPACTS: LIGHTNING AND HIGH FIRE DANGER WILL LIKELY RESULT IN
  NEW FIRE STARTS. GUSTY THUNDERSTORM WINDS COULD CONTRIBUTE TO
  FIRE SPREAD. DESPITE RAINFALL...INITIAL ATTACK RESOURCES COULD
  BE OVERWHELMED AND HOLDOVER FIRES ARE POSSIBLE.

* AFFECTED AREA: IN SOUTH CENTRAL OR THE FAR WESTERN PORTION OF
  FIRE ZONE....624. IN SOUTHWEST OR THE FAR EASTERN PORTION OF FIRE
  ZONE....622.

* COUNTIES AFFECTED: FAR EASTERN JACKSON COUNTY AND FAR WESTERN
  KLAMATH COUNTY.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED THUNDERSTORMS
COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE MANY FIRE STARTS
MAY OCCUR IN A SHORT PERIOD OF TIME.

&&

$$

VISIT US AT WWW.WEATHER.GOV/MEDFORD
4 follow-up statements
087 
WWUS86 KMFR 110039
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
539 PM PDT MON AUG 10 2015

ORZ617-623-111245-
/O.CAN.KMFR.FW.W.0020.000000T0000Z-150811T0600Z/
/O.CON.KMFR.FW.W.0021.150812T0000Z-150812T0600Z/
UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES-
539 PM PDT MON AUG 10 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 5 PM TO 11 PM PDT
TUESDAY FOR ABUNDANT LIGHTNING OVER DRY FUELS FOR FIRE WEATHER
ZONES 617 AND 623... 
...RED FLAG WARNING FOR TODAY IS CANCELLED FOR FIRE WEATHER ZONES
617 AND 623...

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

* IMPACTS: LIGHTNING AND HIGH FIRE DANGER WILL LIKELY
  RESULT IN NEW FIRE STARTS. GUSTY THUNDERSTORM WINDS COULD
  CONTRIBUTE TO FIRE SPREAD. DESPITE RAINFALL...INITIAL ATTACK
  RESOURCES COULD BE OVERWHELMED AND HOLDOVER FIRES ARE POSSIBLE. 

* AFFECTED AREA: 
  IN SOUTHWEST OR...FIRE WEATHER ZONES 617 AND 623.

* COUNTIES AFFECTED: IN SOUTHERN OREGON...FAR EASTERN DOUGLAS...
  FAR NORTHEASTERN JACKSON...FAR NORTHWESTERN KLAMATH.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED THUNDERSTORMS
COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE MANY FIRE STARTS
MAY OCCUR IN A SHORT PERIOD OF TIME. 

&&

$$

ORZ616-622-624-110145-
/O.CAN.KMFR.FW.W.0020.000000T0000Z-150811T0600Z/
UMPQUA BASIN-EASTERN ROGUE VALLEY-KLAMATH BASIN AND THE FREMONT-
WINEMA NATIONAL FOREST-
539 PM PDT MON AUG 10 2015

...RED FLAG WARNING FOR TODAY IS CANCELLED FOR FIRE WEATHER ZONES
616...622 AND 624...

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


$$

CAZ281-111245-
/O.CON.KMFR.FW.W.0021.150811T2100Z-150812T0300Z/
CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY-
539 PM PDT MON AUG 10 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
TUESDAY FOR STRONG WIND GUSTS AND LOW RELATIVE HUMIDITIES FOR 
FIRE WEATHER ZONE 281...

* IMPACTS: STRONG GUSTY WIND WITH LOW RELATIVE HUMIDITY AND
  HIGH FIRE DANGER WILL LIKELY CONTRIBUTE TO A SIGNIFICANT SPREAD
  OF NEW AND EXISTING FIRES. 

* AFFECTED AREA: IN NORTHERN CA...FIRE WEATHER ZONE 281. MOSTLY
  ALONG A STRIP EXTENDING FROM WEED TO MONTAGUE.

* COUNTIES AFFECTED: IN NORTHERN CALIFORNIA...CENTRAL SISKIYOU
  COUNTY. MOSTLY ALONG A STRIP EXTENDING FROM WEED TO MONTAGUE.

* WIND AND RELATIVE HUMIDITIES...RELATIVE HUMIDITIES WILL LOWER TO
  10 TO 15 PERCENT WITH SOUTH WINDS GUSTING TO 30 MPH.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED THUNDERSTORMS
COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE MANY FIRE STARTS
MAY OCCUR IN A SHORT PERIOD OF TIME.

&&

$$

VISIT US AT WWW.WEATHER.GOV/MEDFORD
845 
WWUS86 KMFR 111134
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
434 AM PDT TUE AUG 11 2015



ORZ617-623-112345-
/O.CON.KMFR.FW.W.0021.150812T0000Z-150812T0600Z/
UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES-
434 AM PDT TUE AUG 11 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO
11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING OVER DRY FUELS FOR
FIRE WEATHER ZONES 617 AND 623...

* IMPACTS: LIGHTNING AND HIGH FIRE DANGER WILL LIKELY RESULT IN
  NEW FIRE STARTS. GUSTY THUNDERSTORM WINDS COULD CONTRIBUTE TO
  FIRE SPREAD. DESPITE RAINFALL...INITIAL ATTACK RESOURCES COULD
  BE OVERWHELMED AND HOLDOVER FIRES ARE POSSIBLE.

* AFFECTED AREA: IN SOUTHWEST OR...FIRE WEATHER ZONE 617 AND
  NORTHERN PORTIONS OF FIRE WEATHER ZONE 623.

* COUNTIES AFFECTED: IN SOUTHERN OREGON...FAR EASTERN DOUGLAS...
   FAR NORTHEASTERN JACKSON...FAR NORTHWESTERN KLAMATH. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED
THUNDERSTORMS COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE
MANY FIRE STARTS MAY OCCUR IN A SHORT PERIOD OF TIME.

&&

$$

CAZ281-112345-
/O.CON.KMFR.FW.W.0021.150811T2100Z-150812T0300Z/
CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY-
434 AM PDT TUE AUG 11 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING FOR STRONG WIND GUSTS AND LOW RELATIVE
HUMIDITIES FOR FIRE WEATHER ZONE 281...

* IMPACTS: STRONG GUSTY WIND WITH LOW RELATIVE HUMIDITY AND 
  HIGH FIRE DANGER WILL LIKELY CONTRIBUTE TO A SIGNIFICANT 
  SPREAD OF NEW AND EXISTING FIRES.

* AFFECTED AREA: IN NORTHERN CA...FIRE WEATHER ZONE 281. MOSTLY 
  ALONG A STRIP EXTENDING FROM WEED TO MONTAGUE.

* COUNTIES AFFECTED: IN NORTHERN CALIFORNIA...CENTRAL SISKIYOU 
  COUNTY. MOSTLY ALONG A STRIP EXTENDING FROM WEED TO MONTAGUE.

* WIND AND RELATIVE HUMIDITIES...RELATIVE HUMIDITIES WILL LOWER TO
  AROUND 15 PERCENT WITH SOUTH WINDS GUSTING TO 30 MPH.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED
THUNDERSTORMS COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE
MANY FIRE STARTS MAY OCCUR IN A SHORT PERIOD OF TIME.

&&

$$


VISIT US AT WWW.WEATHER.GOV/MEDFORD
892 
WWUS86 KMFR 112202
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
302 PM PDT TUE AUG 11 2015

ORZ617-623-112315-
/O.CAN.KMFR.FW.W.0021.150812T0000Z-150812T0600Z/
UMPQUA NATIONAL FOREST-SOUTHERN OREGON CASCADES-
302 PM PDT TUE AUG 11 2015

...RED FLAG WARNING FOR TODAY IS CANCELLED FOR FIRE WEATHER ZONES
617 AND 623...

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

WHILE SOME ISOLATED THUNDERSTORMS ARE STILL POSSIBLE...THE CHANCE
FOR SCATTERED THUNDERSTORMS NO LONGER APPEARS LIKELY. HAVE
THEREFORE CANCELLED THE RED FLAG WARNING FOR THIS AFTERNOON AND
EVENING.

$$

CAZ281-121015-
/O.NEW.KMFR.FW.W.0022.150812T2100Z-150813T0300Z/
/O.CON.KMFR.FW.W.0021.000000T0000Z-150812T0300Z/
CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY-
302 PM PDT TUE AUG 11 2015

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
281... 
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT WEDNESDAY FOR
STRONG WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE
281...

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

* IMPACTS: STRONG, GUSTY WIND WITH LOW RELATIVE HUMIDITY AND HIGH
  FIRE DANGER WILL LIKELY CONTRIBUTE TO A SIGNIFICANT SPREAD OF
  NEW AND EXISTING FIRES THIS AFTERNOON. DRY AND WINDY CONDITIONS
  ARE EXPECTED AGAIN WEDNESDAY AFTERNOON.

* AFFECTED AREA: 
  IN NORTHERN CA...SOUTH CENTRAL FIRE WEATHER ZONE 281.

* COUNTIES AFFECTED: 
  IN NORTHERN CA...THE SHASTA VALLEY OF SISKIYOU COUNTY.

* WIND AND RELATIVE HUMIDITIES: 
  TODAY...RELATIVE HUMIDITIES WILL LOWER TO AROUND 15 PERCENT 
  WITH SOUTH WINDS OF 20 MPH GUSTING TO 30 MPH. 
  WEDNESDAY...HUMIDITIES WILL AGAIN DROP TO AROUND 15 PERCENT 
  WITH SOUTH WINDS STRENGTHENING TO 25 MPH GUSTING TO 35 MPH.

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. SCATTERED THUNDERSTORMS
COMBINED WITH DRY FUELS CREATE CONDITIONS WHERE MANY FIRE STARTS
MAY OCCUR IN A SHORT PERIOD OF TIME.

&&

$$

CAZ285-ORZ624-625-121015-
/O.NEW.KMFR.FW.A.0014.150813T1800Z-150814T0600Z/
MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE
AND WESTERN HARNEY COUNTIES-
302 PM PDT TUE AUG 11 2015

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING FOR STRONG WINDS AND LOW HUMIDITY FOR FIRE
WEATHER ZONES 285...624 AND 625...

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

* IMPACTS: STRONG, GUSTY WIND WITH LOW RELATIVE HUMIDITY AND HIGH
  FIRE DANGER MAY CONTRIBUTE TO A SIGNIFICANT SPREAD OF NEW AND
  EXISTING FIRES.

* AFFECTED AREA: 
  IN NORTHERN CA FIRE ZONE....285.
  IN SOUTH CENTRAL OR FIRE ZONES...625..EASTERN 624.

* COUNTIES AFFECTED: 
  IN NORTHERN CA...MODOC. 
  IN SOUTH CENTRAL OR...HARNEY...LAKE...AN EASTERN KLAMATH.

* WIND AND RELATIVE HUMIDITIES: RELATIVE HUMIDITIES ARE EXPECTED 
  TO DROP TO 10 TO 15 PERCENT WITH SOUTHWEST WINDS STRENGTHENING 
  TO 20 TO 25 MPH WITH GUSTS UP TO 40 MPH. 

* VIEW THE HAZARD AREA IN DETAIL AT 
  HTTP://WEATHER.GOV/MEDFORD/HAZARD 

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

BPN
634 
WWUS86 KMFR 120300
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
800 PM PDT TUE AUG 11 2015

CAZ281-121500-
/O.EXP.KMFR.FW.W.0021.000000T0000Z-150812T0300Z/
/O.CON.KMFR.FW.W.0022.150812T2100Z-150813T0300Z/
CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY-
800 PM PDT TUE AUG 11 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
   WEDNESDAY FOR STRONG GUSTY WINDS WITH LOW RELATIVE HUMIDITIES 
   FOR FIRE WEATHER ZONE 281... 
...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
   STRONG GUSTY WINDS WITH LOW RELATIVE HUMIDITIES FOR FIRE 
   WEATHER ZONE 281...

* IMPACTS: STRONG, GUSTY WIND WITH LOW RELATIVE HUMIDITY AND HIGH 
  FIRE DANGER WILL LIKELY CONTRIBUTE TO A SIGNIFICANT SPREAD OF 
  NEW AND EXISTING FIRES. 

* AFFECTED AREA: IN NORTHERN CA...FIRE WEATHER ZONE 281...IN A
  STRIP EXTENDING FROM NEAR WEED TO MONTAGUE.

* COUNTIES AFFECTED: 
  IN NORTHERN CA...NORTH CENTRAL SISKIYOU.

* WIND AND RELATIVE HUMIDITIES: RELATIVE HUMIDITIES WILL AGAIN
  DROP TO AROUND 15 PERCENT WITH SOUTH WINDS STRENGTHENING TO 25
  MPH GUSTING TO 35 MPH.

* VIEW THE HAZARD AREA IN DETAIL AT
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY.

&&

$$

CAZ285-ORZ624-625-121500-
/O.CON.KMFR.FW.A.0014.150813T1800Z-150814T0600Z/
MODOC COUNTY EXCEPT FOR THE SURPRISE VALLEY-
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN LAKE
AND WESTERN HARNEY COUNTIES-
800 PM PDT TUE AUG 11 2015

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
   THROUGH THURSDAY EVENING FOR STRONG GUSTY WINDS AND LOW 
   RELATIVE HUMIDITIES FOR FIRE WEATHER ZONES 285...624 AND 
   625...

* IMPACTS: STRONG, GUSTY WIND WITH LOW RELATIVE HUMIDITY AND HIGH 
  FIRE DANGER WILL LIKELY CONTRIBUTE TO A SIGNIFICANT SPREAD OF 
  NEW AND EXISTING FIRES. 

* AFFECTED AREA: IN NORTHERN CA FIRE ZONE....285. IN SOUTH CENTRAL
  OR FIRE ZONES...EASTERN 624...625.

* COUNTIES AFFECTED: IN NORTHERN CA...MODOC. IN SOUTH CENTRAL
  OR...FAR WESTERN HARNEY...EASTERN KLAMATH...LAKE.

* WIND AND RELATIVE HUMIDITIES: RELATIVE HUMIDITIES ARE EXPECTED 
  TO DROP TO 10 TO 15 PERCENT WITH SOUTHWEST WINDS STRENGTHENING 
  TO 20 TO 25 MPH WITH GUSTS UP TO 40 MPH.

* VIEW THE HAZARD AREA IN DETAIL AT
  HTTP://WEATHER.GOV/MEDFORD/HAZARD

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

Nearby

Red Flag Warnings in Oregon, 2015Red 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.