Alert archive / Oregon / Red Flag Warnings in 2021

Red Flag Warning 36, NWS Medford, OR

August 3, 20215 counties in Oregon; Modoc County, Siskiyou County, California

NWS Medford, OR issued this red flag warning at Aug 3, 2021, 1:27 PM PDT for 5 counties in Oregon; Modoc County, Siskiyou County, California. It took effect at Aug 4, 2021, 2:00 PM PDT. It was in force for 8 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 3, 2021, 1:27 PM PDT (20:27 UTC)
In effect from
Aug 4, 2021, 2:00 PM PDT
Expired
Aug 4, 2021, 10:00 PM PDT
In force
8 hr
Issued by
NWS Medford, OR

Counties Modoc County, CA, Siskiyou County, CA, Coos County, OR, Douglas County, OR, Jackson County, OR, Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 65 km from the middle of the area, began a volume at 20:32 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, 8.5 hours before the alert went out and 53 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 2021-08-03Temperature 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 2021-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
2294 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

443 
WWUS86 KMFR 032027
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
127 PM PDT Tue Aug 3 2021

CAZ285-040830-
/O.UPG.KMFR.FW.A.0026.210804T2000Z-210805T0500Z/
/O.NEW.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
/O.NEW.KMFR.FW.A.0027.210805T2100Z-210806T0500Z/
/O.CON.KMFR.FW.W.0035.210803T2100Z-210804T0300Z/
Modoc County Except for the Surprise Valley-
127 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285...
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT WEDNESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER
ZONE 285...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 10 PM PDT Wednesday. A
Fire Weather Watch has also been issued and is in effect from
Thursday afternoon through Thursday evening. 

* Impacts: Strong, gusty wind with low relative humidity and 
  critically dry vegetation will greatly increase the spread 
  potential of any new and existing fires.

* Affected area: 
  In Northern CA...Fire Weather Zone 285.

* Wind: Southwest 10 to 20 mph with gusts up to 30 to 35 mph.

* Minimum Humidity: 5 to 12 percent.

* Additional Information: Conditions will be most critical
  Wednesday as winds increase and RH reach their minimum. 

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ624-040830-
/O.UPG.KMFR.FW.A.0026.210804T2000Z-210805T0500Z/
/O.NEW.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
/O.NEW.KMFR.FW.A.0027.210805T2100Z-210806T0500Z/
/O.CON.KMFR.FW.W.0035.210803T2100Z-210804T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
127 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH AND HAINES 6 OVER THE BOOTLEG
FIRE FOR FIRE WEATHER ZONE 624... 
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT WEDNESDAY FOR
STRONG GUSTY WIND WITH LOW RH AND HAINES 6 OVER THE BOOTLEG FIRE 
FOR FIRE WEATHER ZONE 624... 
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH 
THURSDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH AND HAINES 6 
OVER THE BOOTLEG FIRE FOR FIRE WEATHER ZONE 624...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 10 PM PDT Wednesday. A
Fire Weather Watch has also been issued and is in effect from 
Thursday afternoon through Thursday evening. 

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. Very dry and unstable 
  conditions will support extreme fire behavior. Plume domination 
  is possible with locally-generated erratic and gusty winds. 
  Spotting could be problematic.

* Affected area: In South Central OR...Fire Weather Zone 624, 
  including the Bootleg Fire.

* Wind: Southwest 10 to 20 mph with gusts up to 30 to 35 mph.

* Humidity: 5 to 10 percent.

* Additional Information: Conditions will be most critical
  Wednesday as winds increase and RH reach their minimum.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

CAZ284-040830-
/O.UPG.KMFR.FW.A.0026.210804T2000Z-210805T0500Z/
/O.NEW.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
/O.CON.KMFR.FW.W.0035.210803T2100Z-210804T0300Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-
127 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 284...
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT WEDNESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 284...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 10 PM PDT Wednesday. 

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. 

* Affected area: In Northern CA...Fire Weather Zone 284. This does
  include the Antelope Fire.

* Wind: Southwest 10 to 20 mph with gusts up to 30 mph.

* Minimum Humidity: 5 to 10 percent.

* Additional Information: Conditions will be most critical
  Wednesday as winds increase and RH reach their minimum.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

CAZ281-040830-
/O.UPG.KMFR.FW.A.0026.210804T2000Z-210805T0500Z/
/O.NEW.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
/O.CON.KMFR.FW.W.0035.210803T2100Z-210804T0300Z/
Central Siskiyou County Including Shasta Valley-
127 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 281...
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT WEDNESDAY FOR
STRONG GUSTY WIND WITH LOW RH 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 10 PM PDT Wednesday.

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires.

* Affected area: In Northern CA...Fire Weather Zone 281. For today,
  critical conditions are expected south of Yreka. On Wednesday,
  critical conditions are expected across most of the Shasta
  Valley.

* Wind: South 10 to 20 mph with gusts up to 30 mph.

* Minimum Humidity: 5 to 10 percent.

* Additional Information: Conditions will be most critical
  Wednesday as winds increase and RH reach their minimum.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ616-040830-
/O.NEW.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
/O.EXA.KMFR.FW.W.0035.210803T2100Z-210804T0300Z/
Umpqua Basin-
127 PM PDT Tue Aug 3 2021

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR
HAINES 6 OVER THE SKYLINE COMPLEX IN FIRE WEATHER ZONE 616... 
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT WEDNESDAY FOR 
HAINES 6 OVER THE SKYLINE COMPLEX IN FIRE WEATHER ZONE 616...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect until 8 PM PDT this evening. A Red
Flag Warning has also been issued from 2 PM to 10 PM PDT
Wednesday.

* Impacts: Very dry and unstable conditions will support extreme 
  fire behavior. Plume domination is possible with locally-
  generated erratic and gusty winds. Spotting could be problematic.

* Affected area: The Skyline Complex in Fire Weather Zone 616.

* Wind: Northwest 5 to 10 mph with gusts to 15 mph.

* Minimum Humidity: 15 to 20 percent.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ623-040830-
/O.UPG.KMFR.FW.A.0026.210804T2000Z-210805T0500Z/
/O.NEW.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
Southern Oregon Cascades-
127 PM PDT Tue Aug 3 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT WEDNESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 623...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 10 PM PDT Wednesday. The
Fire Weather Watch is no longer in effect.

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. 

* Affected area: In Southwest OR...the southern portion of Fire 
  Weather Zone 623, roughly south of Hwy 140.

* Wind: West to southwest 10 mph with gusts to 15 mph.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

CAZ280-282-040830-
/O.UPG.KMFR.FW.A.0026.210804T2000Z-210805T0500Z/
/O.NEW.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
Western Klamath National Forest-Shasta-
Trinity National Forest in Siskiyou County-
127 PM PDT Tue Aug 3 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT WEDNESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONES 280 AND 
282...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 10 PM PDT Wednesday.

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. 

* Affected area: In Northern CA...The eastern portion of Fire
  Weather Zone 280, to include the River Complex, and all of Fire 
  Weather Zone 282.

* Wind: South to southwest 10 to 15 mph with gusts to 20 mph.

* Humidity: 5 to 10 percent.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$


Visit us at www.weather.gov/Medford
3 follow-up statements
066 
WWUS86 KMFR 040259
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
759 PM PDT Tue Aug 3 2021


CAZ285-042100-
/O.EXP.KMFR.FW.W.0035.000000T0000Z-210804T0300Z/
/O.CON.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
/O.CON.KMFR.FW.A.0027.210805T2100Z-210806T0500Z/
Modoc County Except for the Surprise Valley-
759 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM PDT
WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE
285...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR
FIRE WEATHER ZONE 285...

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285...

* Impacts:  Strong, gusty wind with low relative humidity and
critically dry vegetation will greatly increase the spread
potential of any new and existing fires.

* Affected area: 
  In Northern CA...Fire Weather Zone 285.

* Wind: Southwest 10 to 20 mph with gusts up to 35 mph.

* Minimum Humidity: 5 to 12 percent.

* Additional Information: Conditions will be most critical
Wednesday as winds increase and RH reach their minimum.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

A Fire Weather Watch means that critical fire weather conditions 
are possible during the valid watch time. These conditions could 
promote the rapid spread of wildfires which could become life- 
threatening. Check weather.gov/medford for forecast updates and a 
possible upgrade of the this watch to a Red Flag Warning.

&&

$$

ORZ624-042100-
/O.EXP.KMFR.FW.W.0035.000000T0000Z-210804T0300Z/
/O.CON.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
/O.CON.KMFR.FW.A.0027.210805T2100Z-210806T0500Z/
Klamath Basin and the Fremont-Winema National Forest-
759 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM PDT
WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE
624...

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING FOR STRONG GUSTY WIND WITH LOW RH FOR
FIRE WEATHER ZONE 624...

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. Very dry and unstable 
  conditions will support extreme fire behavior. Plume domination 
  is possible with locally-generated erratic and gusty winds. 
  Spotting could be problematic.

* Affected area: In South Central OR...Fire Weather Zone 624, 
  including the Bootleg Fire.

* Wind: Southwest 10 to 20 mph with gusts up to 30 to 35 mph.

* Humidity: 5 to 10 percent.

* Additional Information: Conditions will be most critical
  Wednesday as winds increase and RH reach their minimum.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

A Fire Weather Watch means that critical fire weather conditions
are possible during the valid watch time. These conditions could
promote the rapid spread of wildfires which could become life-
threatening. Check weather.gov/medford for forecast updates and a
possible upgrade of the this watch to a Red Flag Warning.

&&

$$

ORZ616-042100-
/O.EXP.KMFR.FW.W.0035.000000T0000Z-210804T0300Z/
/O.CON.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
Umpqua Basin-
759 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM PDT
WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE
616...

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 616...

* Impacts: Very dry and unstable conditions will support extreme 
  fire behavior. Plume domination is possible with locally-
  generated erratic and gusty winds. Spotting could be problematic.

* Affected area: The Skyline Complex in Fire Weather Zone 616.

* Wind: Northwest 5 to 10 mph with gusts to 15 mph.

* Minimum Humidity: 15 to 20 percent.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

CAZ284-042100-
/O.EXP.KMFR.FW.W.0035.000000T0000Z-210804T0300Z/
/O.CON.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-
759 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM PDT
WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE
284...

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 284...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. 

* Affected area: In Northern CA...Fire Weather Zone 284. This does
  include the Antelope Fire.

* Wind: Southwest 10 to 20 mph with gusts up to 30 mph.

* Minimum Humidity: 5 to 10 percent.

* Additional Information: Conditions will be most critical
  Wednesday as winds increase and RH reach their minimum.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

CAZ281-042100-
/O.EXP.KMFR.FW.W.0035.000000T0000Z-210804T0300Z/
/O.CON.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
Central Siskiyou County Including Shasta Valley-
759 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM PDT
WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE
281...

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 281...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires.

* Affected area: In Northern CA...Fire Weather Zone 281. On 
  Wednesday, critical conditions are expected across most of the 
  Shasta Valley.

* Wind: South 10 to 20 mph with gusts up to 30 mph.

* Minimum Humidity: 5 to 10 percent.

* Additional Information: Conditions will be most critical
  Wednesday as winds increase and RH reach their minimum.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ623-042100-
/O.CON.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
Southern Oregon Cascades-
759 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM PDT
WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE
623...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. 

* Affected area: In Southwest OR...the southern portion of Fire 
  Weather Zone 623, roughly south of Hwy 140.

* Wind: West to southwest 10 mph with gusts to 15 mph.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

$$

CAZ280-282-042100-
/O.CON.KMFR.FW.W.0036.210804T2100Z-210805T0500Z/
Western Klamath National Forest-Shasta-
Trinity National Forest in Siskiyou County-
759 PM PDT Tue Aug 3 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM PDT
WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONES
280 AND 282...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. 

* Affected area: In Northern CA...The eastern portion of Fire
  Weather Zone 280, to include the River Complex, and all of Fire 
  Weather Zone 282.

* Wind: South to southwest 10 to 15 mph with gusts to 20 mph.

* Humidity: 5 to 10 percent.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

$$


Visit us at www.weather.gov/Medford
425 
WWUS86 KMFR 042101
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
201 PM PDT Wed Aug 4 2021

...GUSTY WINDS, VERY LOW RH AND UNSTABLE CONDITIONS TODAY FOLLOWED
BY STRONG WINDS, THUNDERSTORMS, AND SHIFTING WINDS ON THURSDAY...

.A complex scenario is expected over the next 24-36 hours. The
region will quickly transition from hot, very dry, windy and 
unstable conditions through early Thursday afternoon to cooler
conditions with improving humidities, strong shifting winds and 
thunderstorm potential as an upper trough passes through the area
Thursday afternoon and evening.

CAZ285-050500-
/O.UPG.KMFR.FW.A.0027.210805T2100Z-210806T0500Z/
/O.NEW.KMFR.FW.W.0037.210805T1900Z-210806T0500Z/
/O.CON.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Modoc County Except for the Surprise Valley-
201 PM PDT Wed Aug 4 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285...
 
...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM PDT THURSDAY FOR 
STRONG GUSTY WIND WITH LOW RH AND ABUNDANT LIGHTNING ON DRY FUELS 
FOR FIRE WEATHER ZONE 285...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from noon to 10 PM PDT Thursday. 

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. 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 Northern CA...Fire Weather Zone 285.

* Wind: Today, southwest 10 to 20 mph with gusts up to 35 mph. On
  Thursday, southwest 10 to 15 mph shifting to west then northwest
  and gusting up to 20 to 25 mph during the afternoon and evening
  hours. Very strong outflow winds are possible with any
  thunderstorms on Thursday.

* Minimum Humidity: 5 to 12 percent.

* Additional Information: Strong gusty winds and low humidities are
  expected during the early afternoon hours on Thursday. Humidities
  will improve late afternoon and evening as moisture increases 
  and the concern transitions to thunderstorms with strong gusty, 
  erratic winds.

* Thunderstorms: Mainly isolated thunderstorms are expected, but
  some scattered coverage is possible across the northern portion
  of the zone.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ624-050500-
/O.UPG.KMFR.FW.A.0027.210805T2100Z-210806T0500Z/
/O.NEW.KMFR.FW.W.0037.210805T1900Z-210806T0500Z/
/O.CON.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Klamath Basin and the Fremont-Winema National Forest-
201 PM PDT Wed Aug 4 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH AND HAINES 6 WITH EXISTING FIRE
FOR FIRE WEATHER ZONE 624...
 
...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM PDT THURSDAY FOR 
STRONG GUSTY WIND WITH LOW RH AND ABUNDANT LIGHTNING ON DRY FUELS 
FOR FIRE WEATHER ZONE 624...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from noon to 10 PM PDT Thursday. 

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. Very dry and unstable
  conditions today will support extreme fire behavior. Plume
  domination is possible with locally-generated erratic and gusty
  winds and spotting could be problematic. 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...Fire Weather Zone 624,
  including the Bootleg Fire. 

* Wind: Today, southwest 10 to 20 mph with gusts up to 35 mph. On
  Thursday, southwest 10 to 15 mph shifting to west then northwest
  and gusting up to 20 to 25 mph during the afternoon and evening
  hours. Very strong outflow winds are possible with any
  thunderstorms on Thursday. 

* Humidity: 5 to 10 percent.

* Additional Information: Strong gusty winds and low humidities are
  expected during the early afternoon hours on Thursday. Humidities
  will improve later in the afternoon and evening as moisture
  increases and the concern transitions to thunderstorms with
  strong gusty, erratic winds. 

* Thunderstorms: Isolated to scattered thunderstorms with the focus
  of activity expected across northern and eastern portions of the
  zone, including over the Bootleg Fire.

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ625-050500-
/O.NEW.KMFR.FW.W.0037.210805T1900Z-210806T0500Z/
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
201 PM PDT Wed Aug 4 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM PDT THURSDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 625...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from noon to 10 PM PDT Thursday.

* 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...Fire Weather Zone 625.

* Wind: Today, southwest 10 to 20 mph with gusts up to 35 mph. On
  Thursday, southwest 10 to 15 mph shifting to west then northwest
  15 to 20 mph and gusting up to 25 to 30 mph during the afternoon
  and evening hours. Very strong outflow winds are possible with 
  any thunderstorms on Thursday. 

* Thunderstorms: Isolated to scattered thunderstorms, with the
  focus of activity expected across northern and western portions
  of the zone.

* Humidity: 10 to 20 percent.

* Additional Information: Strong gusty winds and low humidities are
  expected during the early afternoon hours on Thursday. Humidities
  will improve later in the afternoon and evening as moisture
  increases and the concern transitions to thunderstorms with
  strong gusty, erratic winds. 

* View the hazard area in detail at:
  https://www.wrh.noaa.gov/mfr/HAZARD 

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ616-050500-
/O.CON.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Umpqua Basin-
201 PM PDT Wed Aug 4 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
FOR HAINES 6 OVER THE SKYLINE COMPLEX IN FIRE WEATHER ZONE 616...

* Impacts: Very dry and unstable conditions will support extreme 
  fire behavior. Plume domination is possible with locally- 
  generated erratic and gusty winds. Spotting could be problematic.

* Affected area: The Skyline Complex in Fire Weather Zone 616.

* Wind: Northwest 5 to 10 mph.

* Minimum Humidity: 15 to 20 percent.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

$$

CAZ284-050500-
/O.CON.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-
201 PM PDT Wed Aug 4 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 284...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires.

* Affected area: In Northern CA...Fire Weather Zone 284, including
  the Antelope Fire.

* Wind: Southwest 5 to 15 mph with gusts up to 30 mph.

* Minimum Humidity: 5 to 10 percent.

* Additional Information: Conditions will be most critical
Wednesday as winds increase and RH reach their minimum.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

$$

ORZ623-050500-
/O.CON.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Southern Oregon Cascades-
201 PM PDT Wed Aug 4 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 623...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires.

* Affected area: In Southwest OR...the southern portion of Fire 
  Weather Zone 623, roughly south of Hwy 140.

* Wind: West to southwest 10 to 15 mph with gusts to 20 mph.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

$$

CAZ280>282-050500-
/O.CON.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Western Klamath National Forest-
Central Siskiyou County Including Shasta Valley-Shasta-
Trinity National Forest in Siskiyou County-
201 PM PDT Wed Aug 4 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONES 280... 
281 AND 282...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires.

* Affected area: In Northern CA...Eastern portion of Fire Weather
  Zone 280, including the River Complex...much of Fire Weather Zone
  281 and all of Fire Weather Zone 282.

* Wind: Southwest 10 to 15 mph with gusts up to 25 mph.

* Humidity: 5 to 10 percent.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

$$


Visit us at www.weather.gov/Medford
542 
WWUS86 KMFR 050502
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1002 PM PDT Wed Aug 4 2021

...STRONG GUSTY WINDS AND LOW HUMIDITY, THUNDERSTORMS, AND 
SHIFTING WINDS ON THURSDAY...

.A complex scenario is expected over the next 24-36 hours. The
region will quickly transition from hot, very dry, windy and
unstable conditions through early Thursday afternoon to cooler
conditions with improving humidities, strong shifting winds and
thunderstorm potential as an upper trough passes through the area
Thursday afternoon and evening.

CAZ285-060500-
/O.EXP.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
/O.CON.KMFR.FW.W.0037.210805T1900Z-210806T0500Z/
Modoc County Except for the Surprise Valley-
1002 PM PDT Wed Aug 4 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM PDT THURSDAY FOR 
STRONG GUSTY WIND WITH LOW RH AND ABUNDANT LIGHTNING ON DRY FUELS 
FOR FIRE WEATHER ZONE 285...

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
STRONG GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONE 285...

* Impacts:  Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. 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 Northern CA...Fire Weather Zone 285.

* Wind: On Thursday, southwest 10 to 15 mph shifting to west then 
  northwest and gusting up to 20 to 25 mph during the afternoon and
  evening hours. Very strong outflow winds are possible with any 
  thunderstorms on Thursday.

* Minimum Humidity: 5 to 12 percent.

* Additional Information: Strong gusty winds and low humidities
are expected during the early afternoon hours on Thursday.
Humidities will improve late afternoon and evening as moisture
increases and the concern transitions to thunderstorms with strong
gusty, erratic winds.

* Thunderstorms: Mainly isolated thunderstorms are expected, but
some scattered coverage is possible across the northern portion of
the zone.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ624-060500-
/O.EXP.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
/O.CON.KMFR.FW.W.0037.210805T1900Z-210806T0500Z/
Klamath Basin and the Fremont-Winema National Forest-
1002 PM PDT Wed Aug 4 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM PDT THURSDAY FOR 
STRONG GUSTY WIND WITH LOW RH AND ABUNDANT LIGHTNING ON DRY FUELS 
FOR FIRE WEATHER ZONE 624...

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
STRONG GUSTY WINDS AND LOW RH AND HAINES 6 WITH EXISTING FIRE FOR 
FIRE WEATHER ZONE 624...

* Impacts: Strong, gusty wind with low relative humidity and
  critically dry vegetation will greatly increase the spread
  potential of any new and existing fires. Very dry and unstable
  conditions today will support extreme fire behavior. Plume
  domination is possible with locally-generated erratic and gusty
  winds and spotting could be problematic. 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...Fire Weather Zone 624.

* Wind: On Thursday, southwest 10 to 15 mph shifting to west then 
  northwest and gusting up to 20 to 25 mph during the afternoon and
  evening hours. Very strong outflow winds are possible with any 
  thunderstorms on Thursday. 

* Humidity: As low as 14 percent.

* Additional Information: Strong gusty winds and low humidities
are expected during the early afternoon hours on Thursday.
Humidities will improve later in the afternoon and evening as
moisture increases and the concern transitions to thunderstorms
with strong gusty, erratic winds.

* Thunderstorms: Isolated to scattered thunderstorms with the
focus of activity expected across northern and eastern portions of
the zone, including over the Bootleg Fire.

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

Avoid tossing burning cigarettes on the ground, parking hot
vehicles on dry vegetation, and using equipment that can cause
sparks. Follow all fire restrictions. Find links to restrictions
at weather.gov/medford/wildfire. One less spark, one less
wildfire.

Gather your fire evacuation kit now. Collect essentials you don't
want to lose and prioritize your checklist. Visit ready.gov/kit
for more information.

Familiarize yourself with your evacuation plan. Where will you go?
How will you get there? Who will you call to let others know your
are safe? Visit ready.gov/wildfires for more information.

A Red Flag Warning does not mean there is a fire. It means that
critical fire weather conditions are either occurring now or will
shortly. These conditions promote rapid spread of fire which may
become life threatening. Evacuate if ordered to, or if a fire
threatens.

&&

$$

ORZ616-050615-
/O.EXP.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Umpqua Basin-
1002 PM PDT Wed Aug 4 2021

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
HAINES 6 OVER THE SKYLINE COMPLEX FOR FIRE WEATHER ZONE 616...

Stability is increasing.

$$

CAZ284-050615-
/O.EXP.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-
1002 PM PDT Wed Aug 4 2021

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
STRONG GUSTY WIND AND LOW RH FOR FIRE WEATHER ZONE 284...

Winds are diminishing.

$$

ORZ623-050615-
/O.EXP.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Southern Oregon Cascades-
1002 PM PDT Wed Aug 4 2021

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
STRONG GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONE 623...

Winds are diminishing.

$$

CAZ280>282-050615-
/O.EXP.KMFR.FW.W.0036.000000T0000Z-210805T0500Z/
Western Klamath National Forest-
Central Siskiyou County Including Shasta Valley-Shasta-
Trinity National Forest in Siskiyou County-
1002 PM PDT Wed Aug 4 2021

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
STRONG GUSTY WINDS AND LOW RH FOR FIRE WEATHER ZONE 280...281...AND
282...

Winds are diminishing.

$$

ORZ625-060500-
/O.CON.KMFR.FW.W.0037.210805T1900Z-210806T0500Z/
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
1002 PM PDT Wed Aug 4 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM PDT
THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE
625...

* 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...Fire Weather Zone 625.

* Wind: On Thursday, southwest 10 to 15 mph shifting to west then 
  northwest 15 to 20 mph and gusting up to 25 to 30 mph during the 
  afternoon and evening hours. Very strong outflow winds are 
  possible with any thunderstorms on Thursday. 

* Thunderstorms: Isolated to scattered thunderstorms, with the
  focus of activity expected across northern and western portions
  of the zone.

* Humidity: 10 to 20 percent.

* Additional Information: Strong gusty winds and low humidities are
  expected during the early afternoon hours on Thursday. Humidities
  will improve later in the afternoon and evening as moisture
  increases and the concern transitions to thunderstorms with
  strong gusty, erratic winds. 

* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

$$


Visit us at www.weather.gov/Medford

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 1:27 PM PDTFire Weather WatchMFRKlamath, Lake25 hr

Nearby

Red Flag Warnings in Oregon, 2021Red Flag Warnings in California, 2021Every red flag warning in 2021

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.