Alert archive / Oregon / Red Flag Warnings in 2015

Red Flag Warning 20, NWS Medford, OR

August 9, 20158 counties in Oregon; Siskiyou County, California

NWS Medford, OR issued this red flag warning at Aug 9, 2015, 2:50 PM PDT for 8 counties in Oregon; Siskiyou County, California. It took effect at Aug 10, 2015, 2:00 PM PDT. It was in force for 4 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 9, 2015, 2:50 PM PDT (21:50 UTC)
In effect from
Aug 10, 2015, 2:00 PM PDT
Expired
Aug 10, 2015, 5:39 PM PDT
In force
4 hr
Issued by
NWS Medford, OR

Counties Siskiyou County, CA, Coos County, OR, Curry County, OR, Douglas County, OR, Jackson County, OR, Josephine County, OR, Klamath County, OR, Lake County, OR, Lane County, OR

The radar

The Medford radar (KMAX), 75 km from the middle of the area, began a volume at 21:47 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, 9.8 hours before the alert went out and 42 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 2015-08-09Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 12:00Z on 2015-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 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
1240 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
112 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.

989 
WWUS86 KMFR 092150
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
250 PM PDT SUN AUG 9 2015

ORZ625-092300-
/O.CAN.KMFR.FW.A.0012.150810T2100Z-150811T0800Z/
SOUTH CENTRAL OREGON DESERT INCLUDING THE BLM LAND IN EASTERN
LAKE AND WESTERN HARNEY COUNTIES-
250 PM PDT SUN AUG 9 2015

...FIRE WEATHER WATCH IS CANCELLED FOR ABUNDANT LIGHTNING WITH
   DRY FUELS FOR FIRE WEATHER ZONE 625...

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

* AFFECTED AREA: FIRE WEATHER ZONE 625 

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

$$

CAZ281-101200-
/O.UPG.KMFR.FW.A.0012.150810T2100Z-150811T0800Z/
/O.NEW.KMFR.FW.W.0020.150810T2100Z-150811T0800Z/
/O.NEW.KMFR.FW.A.0013.150811T2000Z-150812T0400Z/
CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY-
250 PM PDT SUN AUG 9 2015

...RED FLAG WARNING IN EFFECT FROM 2 PM MONDAY TO 1 AM PDT
   TUESDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER
   ZONE 281...
...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
   TUESDAY EVENING FOR STRONG WIND GUSTS AND LOW RELATIVE
   HUMIDITIES FOR FIRE WEATHER ZONE 281...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM MONDAY TO 1 AM PDT
TUESDAY. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE
WEATHER WATCH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING. THE FIRE WEATHER WATCH FOR MONDAY AFTERNOON AND EVENING IS
NO LONGER IN EFFECT.

* IMPACTS: ON MONDAY...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.
  ON TUESDAY...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: WESTERN PORTION OF FIRE WEATHER ZONE 281.

* COUNTIES AFFECTED: IN NORTHERN CALIFORNIA...CENTRAL SISKIYOU
  COUNTY. 

* THUNDERSTORMS: ISOLATED TO SCATTERED THUNDERSTORMS WILL 
  DEVELOP MONDAY AFTERNOON AND EVENING...THEN DISSIPATE LATE. 

* WIND AND RELATIVE HUMIDITIES...ON TUESDAY 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 FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED
FLAG WARNINGS.

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-ORZ616-617-620>624-101200-
/O.UPG.KMFR.FW.A.0012.150810T2100Z-150811T0800Z/
/O.NEW.KMFR.FW.W.0020.150810T2100Z-150811T0800Z/
WESTERN KLAMATH NATIONAL FOREST-UMPQUA BASIN-
UMPQUA NATIONAL FOREST-
WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY-
SISKIYOU MOUNTAINS-EASTERN ROGUE VALLEY-SOUTHERN OREGON CASCADES-
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
250 PM PDT SUN AUG 9 2015

...RED FLAG WARNING IN EFFECT FROM 2 PM MONDAY TO 1 AM PDT
   TUESDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER
   ZONES 280...616...617...620...621...622...623 AND 624...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 2 PM MONDAY TO 1 AM PDT
TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* 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: FIRE WEATHER ZONE 280...EXTREME NORTHEAST PORTION
  OF ZONE 616...ZONE 617...EXTREME SOUTHEAST PORTION OF ZONE
  620...ZONE 621...SOUTHERN PORTION OF ZONE 622...ALL BUT THE
  SOUTHEAST PORTION OF ZONE 623...EXTREME NORTHWEST PORTION OF
  ZONE 624...

* COUNTIES AFFECTED: IN NORTHERN CALIFORNIA...WESTERN SISKIYOU
  COUNTY. IN SOUTHERN OREGON...EASTERN DOUGLAS...SOUTHERN
  JACKSON...SOUTHEAST JOSEPHINE...AND NORTH KLAMATH.

* THUNDERSTORMS: ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP
  MONDAY AFTERNOON AND EVENING.

* 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
3 follow-up statements
287 
WWUS86 KMFR 101144
RFWMFR

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
444 AM PDT MON AUG 10 2015

ORZ615-619-102345-
/O.EXB.KMFR.FW.W.0020.150811T0600Z-150811T1500Z/
SOUTH CENTRAL OREGON COAST-WESTERN ROGUE RIVER-
SISKIYOU NATIONAL FOREST-
444 AM PDT MON AUG 10 2015

...RED FLAG WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT
TUESDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE WEATHER
ZONES 615 AND 619...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT
TUESDAY.

* IMPACTS: INCREASING THUNDERSTORM ACTIVITY WILL CREATE ERRATIC 
  FIRE BEHAVIOR. 

* AFFECTED AREA: 
  IN SOUTHWEST OR...FIRE WEATHER ZONES 615 AND 619.

* COUNTIES AFFECTED: COOS AND EASTERN CURRY COUNTY.

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

* 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.

&&

$$

CAZ281-102345-
/O.EXT.KMFR.FW.W.0020.150810T2100Z-150811T0600Z/
/O.CON.KMFR.FW.A.0013.150811T2000Z-150812T0400Z/
CENTRAL SISKIYOU COUNTY INCLUDING SHASTA VALLEY-
444 AM PDT MON AUG 10 2015

...RED FLAG WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
   11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING WITH DRY FUELS
   FOR FIRE WEATHER ZONE 281... 
...FIRE WEATHER WATCH REMAINS IN  EFFECT FROM TUESDAY AFTERNOON 
   THROUGH TUESDAY EVENING FOR STRONG WIND GUSTS AND LOW 
   RELATIVE HUMIDITIES FOR FIRE WEATHER ZONE 281...

* 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.
  ON TUESDAY...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.

* COUNTIES AFFECTED: IN NORTHERN CALIFORNIA...CENTRAL SISKIYOU
COUNTY.

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

* WIND AND RELATIVE HUMIDITIES...ON TUESDAY 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 FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE RED
FLAG WARNINGS.

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-ORZ617-621>624-102345-
/O.EXT.KMFR.FW.W.0020.150810T2100Z-150811T0600Z/
WESTERN KLAMATH NATIONAL FOREST-UMPQUA NATIONAL FOREST-
SISKIYOU MOUNTAINS-EASTERN ROGUE VALLEY-SOUTHERN OREGON CASCADES-
KLAMATH BASIN AND THE FREMONT-WINEMA NATIONAL FOREST-
444 AM PDT MON AUG 10 2015

...RED FLAG WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
   11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING WITH DRY 
   FUELS FOR FIRE WEATHER ZONES 280...617...621...622...623 
   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.
  ON TUESDAY...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....280.
  IN SOUTH CENTRAL OR FIRE ZONE....NORTHERN 624.
  IN SOUTHWEST OR FIRE ZONES...617...621...622...623.

* COUNTIES AFFECTED: IN NORTHERN CALIFORNIA...WESTERN SISKIYOU
  COUNTY. IN SOUTHERN OREGON...EASTERN DOUGLAS...SOUTHERN JACKSON...
  SOUTHEAST JOSEPHINE...AND NORTH KLAMATH.

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

* 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.

&&

$$

ORZ616-620-102345-
/O.EXT.KMFR.FW.W.0020.150810T2100Z-150811T1500Z/
UMPQUA BASIN-WESTERN ROGUE BASIN INCLUDING THE ILLINOIS VALLEY-
444 AM PDT MON AUG 10 2015

...RED FLAG WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 8 AM
   PDT TUESDAY FOR ABUNDANT LIGHTNING WITH DRY FUELS FOR FIRE 
   WEATHER ZONES 616 AND 620...

* IMPACTS: INCREASING THUNDERSTORM ACTIVITY WILL CREATE ERRATIC 
  FIRE BEHAVIOR. 

* AFFECTED AREA: 
  IN  FIRE ZONE....616.
  IN SOUTHWEST OR FIRE ZONE....NORTHWEST 620.

* COUNTIES AFFECTED: IN NORTHERN CALIFORNIA...WESTERN SISKIYOU
  COUNTY. IN SOUTHERN OREGON...EASTERN DOUGLAS...SOUTHERN JACKSON...
  SOUTHEAST JOSEPHINE...AND NORTH KLAMATH.

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

* 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.

&&

$$
SVEN

VISIT US AT WWW.WEATHER.GOV/MEDFORD
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
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

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Medford, OR wrote its last area forecast discussion before this red flag warning went out at Aug 9, 9:10 AM PDT, 5 hours 40 minutes earlier.

Area forecast discussion, Aug 9, 9:10 AM PDT, 5 hours 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
910 AM PDT SUN AUG 9 2015

.DISCUSSION...CURRENT WATER VAPOR IMAGE SHOWS THE UPPER LOW NEAR
VANCOUVER ISLAND PUSHING SOUTH AND WILL CONTINUE TO MOVE ALONG THE
OREGON COAST OVER THE NEXT FEW DAYS. AHEAD OF THE UPPER LOW HIGH
AND MID LEVEL CLOUDS ARE MOVING NORTHEAST OVER PARTS OF DOUGLAS
AND NORTHERN KLAMATH AND LAKE COUNTY. ALSO MARINE CLOUDS ARE
ALONG THE COAST AND IN VALLEYS AND COOS COUNTY. THE 12Z NAM SHOWS
MOST OF THE INSTABILITY CONFINED TO AROUND CRATER LAKE NORTH AND
NORTHERN KLAMATH AND LAKE COUNTY. EVEN THEN IT'S MARGINAL AT BEST
AND DO NOT EXPECT MUCH MORE THAN ISOLATED THUNDERSTORMS, IF
ANYTHING HAPPENS AT ALL. OTHER THAN THAT, IT SHOULD BE A FAIRLY
QUIET DAY WITH NEAR NORMAL TEMPERATURES.

THE MODELS REMAIN IN GOOD AGREEMENT SHOWING THE UPPER LOW MOVING
SOUTH NEAR 130 W AND A SOUTH TO SOUTHEAST FLOW SETTING UP AHEAD OF
THE UPPER LOW TONIGHT THROUGH MONDAY. A PRELIMINARY LOOK AT THE
MODELS SHOW THE GREATEST BL CAPE VALUES AND GREATEST THETA E
CONVERGENCE ALONG THE CASCADES AND WESTERN SISKIYOUS COUNTY, BUT
HAS BACKED OFF SOME COMPARED TO LAST NIGHTS RUN. ALSO 700MB AND
700-500MB WINDS ARE ALMOST DUE SOUTH WHICH WOULD KEEP THE MAJORITY
OF THE STORMS THAT DO DEVELOP SHOULD BE CONFINED TO THE CASCADES,
BUT SOME COULD MOVE OFF THE HIGHER TERRAIN AND AFFECT EASTERN
DOUGLAS COUNTY. HOWEVER WINDS AT THE ABOVE MENTIONED LEVELS WILL
BE BETWEEN 20-30 KTS, SO THERE IS A CHANCE FOR STORMS THAT DEVELOP
IN WESTERN SISKIYOU COUNTY AND SISKIYOUS TO MOVE NORTH OVER THE
WEST SIDE LATE MONDAY AFTERNOON OR MONDAY EVENING. WE'LL TAKE A
CLOSER LOOK AT THIS TODAY.

ONE OTHER ITEM OF CONCERN WILL BE THE POTENTIAL FOR NOCTURNAL
STORMS WEST OF THE CASCADES MONDAY NIGHT INTO TUESDAY MORNING. THE
NAM AND TO A LESSER EXTENT THE GFS SHOWS MULTIPLE SHORTWAVES
MOVING AHEAD OF THE UPPER LOW OVER THE WESTSIDE AND THE MODELS
SHOW SOME DEGREE OF INSTABILITY AND INCREASING MID LEVEL MOISTURE
AND IF THE SHORTWAVES ARE STRONG ENOUGH COULD TRIGGER OVERNIGHT
STORMS. -PETRUCELLI

&&

.AVIATION...FOR THE 09/12Z TAF CYCLE...INLAND...SKIES ARE VFR AND
WILL REMAIN THAT WAY TODAY EXCEPT FOR LOCALLY REDUCED VSBYS TO MVFR
AND IFR IN SMOKE...MOSTLY OVER THE SOUTHERN AND EASTERN PORTION OF
DOUGLAS COUNTY AND ALSO THE ROGUE AND UPPER KLAMATH BASINS. THE
CHANGE TO SOUTHWEST WINDS ALOFT THAT OCCURRED YESTERDAY WILL
CONTINUE TODAY AND WILL BRING SOME CHANGE TO THE LOCATIONS OF
THICKEST SMOKE. ALONG THE COAST...LOW CLOUDS WILL DISSIPATE AND
RETREAT BACK TO THE COAST BY 18Z WITH LOCAL IFR AT THE BEACHES
EXPECTED TO PERSIST INTO THE AFTERNOON. -SVEN

&&

.MARINE...UPDATED 830 AM PDT SUNDAY 9 AUGUST 2015...A WEAK PRESSURE
PATTERN WILL PREVAIL THROUGH THURSDAY NIGHT...MAKING FOR LIGHT WINDS
AND SLIGHT SEAS. WIND DIRECTION WILL VARY FROM SOUTH TO NORTH...BUT
WILL REMAIN BELOW 10 KT WITH SEAS 4 FEET OR LESS. A WEAK COLD FRONT
MAY BRING A FEW SHOWERS TO THE AREA SATURDAY NIGHT THROUGH MONDAY
NIGHT. THE THERMAL TROUGH WILL RETURN ON FRIDAY AND STRENGTHEN INTO
SATURDAY...BRINGING A RETURN OF MODERATE NORTH WINDS AND CHOPPY
SEAS.

&&

.FIRE WEATHER...UPDATED 330 PM PDT SUNDAY 9 AUGUST 2015...WEAK
INSTABILITY IN THE NORTHERN CASCADES WILL BRING A SLIGHT CHANCE OF
THUNDERSTORMS NORTH AND NORTHEAST OF CRATER LAKE TODAY, WITH
THUNDERSTORMS BUILDING AS THEY MOVE TO THE NORTHEAST. THERE MAY BE
SCATTERED LIGHTNING COVERAGE IN EXTREME NORTHERN PORTIONS OF 624 AND
623 AS WELL AS THE EASTERN FRINGE OF 617, BUT THE BEST BET ON
WIDESPREAD LIGHTNING IS IN 611 AND NORTHEASTWARD TODAY. AS THE UPPER
LOW MOVES DOWN OFF THE CENTRAL OREGON COAST MONDAY THE MOISTURE FEED
INTO THE AREA WILL INCREASE. THIS WILL BRING GUSTY SOUTHERLY WINDS
TO THE SHASTA VALLEY THAT MAY REACH RED FLAG CRITERIA WITH THE LOW
HUMIDITIES IN THE AFTERNOON IN THE SHASTA VALLEY AT THE SURFACE.
INSTABILITY INCREASES FROM THE CASCADES TO THE COASTAL RANGES WITH A
SHORTWAVE MOVING THROUGH AROUND MAX HEATING. STRONG UPPER DIVERGENCE
WILL COMBINE WITH LOW LEVEL CONVERGENCE TO PROVIDE GOOD LIFT IN
ADDITION TO THE INSTABILITY TO PRODUCE SCATTERED THUNDERSTORM
COVERAGE IN THIS AREA. THE STORMS WILL START INITIALLY DRY AND
BECOME WETTER THROUGH THE EVENING, BUT SOUTHERLY TRANSPORT WINDS
WILL BE AROUND 20 TO 25 MPH MOVING STORMS QUICKLY THROUGH THE AREA,
ALSO CONTRIBUTING TO THE DRY NATURE OF THE STORMS. SVEN

&&

.PREV DISCUSSION... /ISSUED 359 AM PDT SUN AUG 9 2015/

DISCUSSION...A MID-UPPER LEVEL TROUGH AXIS IS SWINGING ONSHORE
THIS MORNING AND THIS IS DEEPENING THE MARINE LAYER ALONG THE
COAST. SOME LOWER-MID CLOUDS HAVE MADE IT INTO THE UMPQUA BASIN
AND ALSO THE CASCADES, BUT I AM HARD-PRESSED TO FIND ANYTHING
FALLING FROM THEM AT THIS TIME. FOR TODAY, MODELS ARE INDICATING
AN AREA OF INSTABILITY EXTENDING FROM NEAR OR JUST SOUTH OF CRATER
LAKE NORTHEASTWARD ACROSS EXTREME EASTERN DOUGLAS AND NORTHERN
KLAMATH COUNTIES THIS AFTERNOON AND EVENING. MODEL SOUNDINGS IN
THESE AREAS ARE SHOWING AROUND 500-1000 J/KG OF CAPE ALONG WITH LI
OF -2 TO -4. EXPECT A SHORT WAVE DISTURBANCE TO LIFT NORTHWARD
ACROSS THIS AREA THIS AFTERNOON AND WITH ADEQUATE MOISTURE IN THE
700-500MB LAYER (>=70% RH), ALSO EXPECT SOME BUILD UPS AND
ISOLATED TO WIDELY SCATTERED THUNDERSTORMS TO DEVELOP. THIS IS A
FAIRLY TYPICAL SET UP, BUT WITH 25-30KT SOUTH-SOUTHWEST WINDS
ALOFT, ANY STORMS THAT DO DEVELOP WILL MOVE FAST OFF TOWARD THE
NORTH-NORTHEAST. THE AIR MASS DRIES OUT QUICKLY AFTER SUNSET AND
ANY CONVECTION SHOULD LIFT NORTHEASTWARD AWAY FROM OUR AREA. THE
REMAINDER OF THE AREA WILL BE DRY TODAY. SMOKY SKIES WILL PERSIST
AROUND FIRES AND MAY LIMIT VISIBILITY AT TIMES IN SOME AREAS.
OVERALL, HIGHS WILL BE VERY SIMILAR TO WHAT OCCURRED YESTERDAY
WITH THE WEST SIDE VALLEYS IN THE UPPER 80S TO NEAR 90 DEGREES AND
EAST SIDE LOCATIONS IN THE LOW TO MID 80S.

AN UPPER LEVEL LOW PRESSURE SYSTEM OFF VANCOUVER ISLAND WILL DIG
SOUTHWARD ALONG 130 W TONIGHT INTO MONDAY. AT THE SAME TIME,
EXPECT SOME MID-LEVEL MOISTURE TO ACCOMPANY A SHORT WAVE NORTHWARD
FROM THE SIERRA MOUNTAINS TONIGHT AND ARRIVE ACROSS SOUTHEAST
SECTIONS OF THE CWA BY MONDAY MORNING. RIGHT NOW, INSTABILITY
APPEARS WEAK, SO HAVE EXCLUDED THUNDERSTORMS FROM THIS TIME FRAME,
BUT COULD SEE HOW ISOLATED SHOWERS DEVELOP NEAR THE WARNERS BY
SUNRISE MONDAY. THE REST OF THE CWA WILL BE DRY AS THE MAIN AXIS
OF PRECIPITATION ASSOCIATED WITH THE UPPER LOW STAYS OFFSHORE.

BY MONDAY AFTERNOON, THE FLOW ALOFT BECOMES LARGELY FROM THE
SOUTH-SOUTHEAST. WHILE WE EXPECT GUSTY AFTERNOON BREEZES ACROSS
MUCH OF THE AREA, SINCE THE WINDS ALIGN WITH THE SHASTA VALLEY,
SOUTH WINDS WILL BE PARTICULARLY GUSTY THERE - PERHAPS 35-40 MPH.
THIS COMBINED WITH LOW AFTERNOON RELATIVE HUMIDITY WILL CREATE A
FIRE WEATHER CONCERN. MEANWHILE, INSTABILITY INCREASES
SIGNIFICANTLY ACROSS THE AREA FROM THE CASCADES WESTWARD WITH
SURFACE-BASED CAPES APPROACHING 1500 J/KG OVER THE CASCADES WITH
500-1000 J/KG OVER THE WEST SIDE BY MONDAY EVENING. THE TIMING OF
THE SHORT WAVE AND MID-LEVEL MOISTURE ARE THE 2 WILD CARDS FOR
THUNDERSTORM POTENTIAL. RIGHT NOW, IT APPEARS AS IF AT LEAST
ISOLATED STORMS WILL DEVELOP NEAR THE CASCADES MONDAY AFTERNOON.
THESE SHOULD EASILY MOVE OFF THE MOUNTAINS AND OUT OVER THE WEST
SIDE VALLEYS BY MONDAY EVENING. SOME MAY EVEN REACH COASTAL AREAS
MONDAY NIGHT.

THE UPPER LOW WILL CONTINUE SOUTHWARD ALONG 130W MONDAY NIGHT
INTO TUESDAY REACHING TO NEAR OR JUST SOUTH OF 40N, WHERE IT WILL
STAY UNTIL WEDNESDAY NIGHT. WINDS ALOFT WILL REMAIN OUT OF THE
SOUTH-SOUTHEAST AND ACTUALLY INCREASE AT BIT. THIS SHOULD
CONTINUE THE GUSTY SOUTH WINDS THROUGH THE SHASTA VALLEY,
ESPECIALLY DURING THE AFTERNOONS/EVENINGS. THE INTERESTING PART
OF THE FORECAST IS THAT THE UPPER LOW WILL PROBABLY BE FAR ENOUGH
OFFSHORE SUCH THAT PRECIPITATION CHANCES WILL BE MINIMAL. THIS IS
BECAUSE THE MAIN MONSOONAL MOISTURE IS BOTTLED UP WELL TO OUR
SOUTH AND EAST (OVER THE FOUR CORNERS REGION). EVEN SO, WE HAVE
MAINTAINED SLIGHT CHANCES OF SHOWERS AND THUNDERSTORMS, MAINLY
FROM THE CASCADES WESTWARD. MODELS ARE ACTUALLY SHOWING 850 TEMPS
INCREASING TO 20-22C TUESDAY/WEDNESDAY AT MEDFORD, WHICH WHEN
FULLY MIXED, WOULD RESULT IN HIGH TEMPS IN THE LOW TO MID 90S
FAHRENHEIT.

IT WON'T BE UNTIL LATER WEDNESDAY NIGHT THAT FINALLY, AN UPPER
TROUGH MOVING INTO BRITISH COLUMBIA, WILL ALLOW THE UPPER LOW TO
EJECT TOWARD THE NORTHEAST AND MOVE ACROSS THE AREA ON THURSDAY.
WE EXPECT A BETTER CHANCE OF SHOWERS AND THUNDERSTORMS THEN ALONG
WITH A BRIEF COOL DOWN. MODELS ARE NOW SHOWING A PIECE OF THE
TROUGH HANGING BACK ALONG THE COAST LATE IN THE WEEK INTO THE
WEEKEND, BUT WITH A DECIDED LACK OF MOISTURE, WE'RE NOT EXPECTING
ANY PRECIPITATION. IN FACT, WE'LL LIKELY HAVE A PERIOD OF
OFFSHORE FLOW WITH TEMPERATURES GETTING BACK TO NEAR OR ABOVE
NORMAL LEVELS. SPILDE

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...FIRE WEATHER WATCH FROM MONDAY AFTERNOON THROUGH LATE MONDAY
     NIGHT FOR ORZ616-617-620>625.

CA...FIRE WEATHER WATCH FROM MONDAY AFTERNOON THROUGH LATE MONDAY
     NIGHT FOR CAZ280-281.

PACIFIC COASTAL WATERS...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 4:26 AM PDTFire Weather WatchMFRCoos, Curry, Douglas, Harney, Jackson, Josephine and 3 more10 hr
Aug 9, 2:50 PM PDTFire Weather WatchMFRSiskiyou24 hr

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.