Alert archive / Oregon / Red Flag Warnings in 2021

Red Flag Warning 20, NWS Medford, OR

July 11, 2021Modoc County, California; Klamath County, Lake County, Oregon

NWS Medford, OR issued this red flag warning at Jul 11, 2021, 8:51 PM PDT for Modoc County, California; Klamath County, Lake County, Oregon. It took effect at Jul 12, 2021, 2:00 PM PDT. It was in force for 56 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
Jul 11, 2021, 8:51 PM PDT (03:51 UTC)
In effect from
Jul 12, 2021, 2:00 PM PDT
Expired
Jul 14, 2021, 10:00 PM PDT
In force
56 hr
Issued by
NWS Medford, OR

Counties Modoc County, CA, Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 151 km from the middle of the area, began a volume at 03:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 3.9 hours before the alert went out and 154 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2021-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2021-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
3228 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

781 
WWUS86 KMFR 120351
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
851 PM PDT Sun Jul 11 2021


CAZ285-121600-
/O.UPG.KMFR.FW.A.0013.210712T2200Z-210713T0500Z/
/O.NEW.KMFR.FW.W.0020.210712T2100Z-210713T0400Z/
Modoc County Except for the Surprise Valley-
851 PM PDT Sun Jul 11 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 9 PM PDT MONDAY 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 9 PM PDT Monday. 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 Northern CA...Fire Weather Zone 285.

* Wind: West 10 to 15 mph with gusts 20 to 30 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.

&&

$$
BTL

Visit us at www.weather.gov/Medford
11 follow-up statements
714 
WWUS86 KMFR 121053
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
353 AM PDT Mon Jul 12 2021

CAZ285-130400-
/O.CON.KMFR.FW.W.0020.210712T2100Z-210713T0400Z/
Modoc County Except for the Surprise Valley-
353 AM PDT Mon Jul 12 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 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...Most of Fire Weather Zone 285 
  including the Modoc National Forest. 

* Wind: West 10 to 15 mph with gusts 20 to 30 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
719 
WWUS86 KMFR 122056
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
156 PM PDT Mon Jul 12 2021


ORZ624-131200-
/O.EXB.KMFR.FW.W.0020.210712T2100Z-210715T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
156 PM PDT Mon Jul 12 2021

...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT WEDNESDAY FOR A HAINES
6 ON THE BOOTLEG FIRE FOR FIRE WEATHER ZONE 624...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect until 8 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 Bootleg Fire. 

* Wind: Northwest 5 to 15 mph with gusts up to 25 mph into this
  evening.

* Humidity: As low as 8 percent.

* Additional Information: The best chance for a Haines 6 is
  expected to be mainly between 2 pm and 8 pm pdt today, Tuesday
  and Wednesday. Winds are expected to be lighter tomorrow, and
  Wednesday is expected to be similar to today. 

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

* 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.

&&

$$

CAZ285-130400-
/O.CON.KMFR.FW.W.0020.210712T2100Z-210713T0400Z/
Modoc County Except for the Surprise Valley-
156 PM PDT Mon Jul 12 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 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...Most of Fire Weather Zone 285 
  including the Modoc National Forest.

* Wind: West 10 to 15 mph with gusts 20 to 30 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
322 
WWUS86 KMFR 130354
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
854 PM PDT Mon Jul 12 2021


CAZ285-130500-
/O.EXP.KMFR.FW.W.0020.000000T0000Z-210713T0400Z/
Modoc County Except for the Surprise Valley-
854 PM PDT Mon Jul 12 2021

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285...

Wind gusts are diminishing and relative humidities are rising out
of Red Flag Warning criteria across the Modoc this evening.
Therefore, the Red Flag Warning will be allowed to expire at 9 PM
PDT this evening.

$$

ORZ624-132200-
/O.CON.KMFR.FW.W.0020.000000T0000Z-210715T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
854 PM PDT Mon Jul 12 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY FOR
A HAINES 6 ON THE BOOTLEG FIRE FOR FIRE WEATHER ZONE 624...

* Impacts: Very dry and unstable conditions at and above the
  surface will support the potential for extreme fire behavior on
  the Bootleg Fire, primarily in the afternoon and early evening
  hours. The probability of plume dominated fire growth is high and
  locally generated erratic, gusty winds could result in
  problematic spot fires.

* Affected area: 
  In South Central OR...The Bootleg Fire in Fire Weather Zone 624.

* Wind: Westerly winds 5 to 15 mph with gusts up to 25 mph are
  expected in the afternoon and evening hours..

* Humidity: 10 to 15 percent.

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

$$
BTL

Visit us at www.weather.gov/Medford
925 
WWUS86 KMFR 131010
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
310 AM PDT Tue Jul 13 2021

ORZ624-140000-
/O.CON.KMFR.FW.W.0020.000000T0000Z-210715T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
310 AM PDT Tue Jul 13 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY FOR
A HAINES 6 ON THE BOOTLEG FIRE FOR FIRE WEATHER ZONE 624...

* Impacts: Very dry and unstable conditions at and above the
  surface will support the potential for extreme fire behavior on
  the Bootleg Fire, primarily in the afternoon and early evening. 
  The probability of plume dominated fire growth is high and 
  locally generated erratic, gusty winds could result in 
  problematic spot fires.

* Affected area: 
  In South Central OR...The Bootleg Fire in Fire Weather Zone 624.

* Wind: West 5 to 15 mph with gusts up to 25 mph in the afternoon
  and evening.

* Humidity: 10 to 15 percent.

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

$$


Visit us at www.weather.gov/Medford
477 
WWUS86 KMFR 132110
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
210 PM PDT Tue Jul 13 2021


ORZ624-141200-
/O.CON.KMFR.FW.W.0020.000000T0000Z-210715T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
210 PM PDT Tue Jul 13 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY FOR
A HAINES 6 ON THE BOOTLEG FIRE FOR FIRE WEATHER ZONE 624...

* 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 Bootleg Fire. 

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

* Humidity: As low as 9 percent.

* Additional Information: The best chance for a Haines 6 is
  expected to be mainly between 2 pm and 8 pm pdt today, and
  Wednesday. Winds are expected to be lighter this afternoon, and
  slightly stronger Wednesday afternoon and evening.

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

$$

CAZ285-141200-
/O.NEW.KMFR.FW.A.0014.210714T2100Z-210715T0300Z/
Modoc County Except for the Surprise Valley-
210 PM PDT Tue Jul 13 2021

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

The National Weather Service in Medford has issued a Fire Weather
Watch...which is in effect from Wednesday afternoon through
Wednesday 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...Most of Fire Weather Zone 285 
  including the Modoc National Forest.

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

* Humidity: 7 to 10 percent.

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

Precautionary/preparedness actions...

If you have not packed your evacuation kit yet, now is the time to
do so. This includes items like important documents and essentials
you cannot live without. Fill your vehicle's fuel tank. Visit
ready.gov/kit for more information.

Plan now to avoid using equipment that could cause sparks during
the period when critical weather conditions are possible. Visit
weather.gov/medford/wildfire for links to fire restrictions in
your area.

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.

&&

$$


Visit us at www.weather.gov/Medford
318 
WWUS86 KMFR 140504
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1004 PM PDT Tue Jul 13 2021

CAZ285-142230-
/O.UPG.KMFR.FW.A.0014.210714T2100Z-210715T0300Z/
/O.EXB.KMFR.FW.W.0020.210714T2100Z-210715T0300Z/
Modoc County Except for the Surprise Valley-
1004 PM PDT Tue Jul 13 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT WEDNESDAY 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 8 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: Most of California Fire Weather Zone 285 in Modoc
  County including the Modoc National Forest, and the communities
  of Alturas, Canby, and Likely. 

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

* Humidity: 8 to 12 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.

&&

$$

ORZ624-142230-
/O.CON.KMFR.FW.W.0020.000000T0000Z-210715T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
1004 PM PDT Tue Jul 13 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY FOR
A HAINES 6 ON THE BOOTLEG FIRE FOR FIRE WEATHER ZONE 624...

* 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 Bootleg Fire.

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

* Humidity: As low as 9 percent.

* Additional Information: The best chance for a Haines 6 is
  expected to be mainly between 2 pm and 8 pm PDT. Winds will be
  gusty in the afternoon and evening.

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

$$


Visit us at www.weather.gov/Medford
953 
WWUS86 KMFR 140928
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
228 AM PDT Wed Jul 14 2021

CAZ285-150000-
/O.NEW.KMFR.FW.A.0015.210715T2100Z-210716T0300Z/
/O.CON.KMFR.FW.W.0020.210714T2100Z-210715T0300Z/
Modoc County Except for the Surprise Valley-
228 AM PDT Wed Jul 14 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING 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 Fire Weather
Watch...which 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...Most of Fire Weather Zone 285 
  including the Modoc National Forest.

* Wind: Southwest becoming west 10 to 20 mph with gusts up to 30
  mph each afternoon and evening.

* Humidity: 6 to 9 percent today and 8 to 12 percent on Thursday.

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

Precautionary/preparedness actions...

If you have not packed your evacuation kit yet, now is the time to
do so. This includes items like important documents and essentials
you cannot live without. Fill your vehicle's fuel tank. Visit
ready.gov/kit for more information.

Plan now to avoid using equipment that could cause sparks during
the period when critical weather conditions are possible. Visit
weather.gov/medford/wildfire for links to fire restrictions in
your area.

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.

&&

$$

ORZ624-150000-
/O.CON.KMFR.FW.W.0020.000000T0000Z-210715T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
228 AM PDT Wed Jul 14 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR A HAINES 6 ON THE BOOTLEG FIRE IN FIRE WEATHER ZONE 624...

* 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: In South Central OR...The Bootleg Fire in Fire 
  Weather Zone 624.

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

* Humidity: As low as 9 percent.

* Additional Information: The best chance for a Haines 6 is between
  2 and 8 pm PDT. Winds will be gusty this afternoon and evening.

* 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.

$$

MAS

Visit us at www.weather.gov/Medford
688 
WWUS86 KMFR 142000
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
100 PM PDT Wed Jul 14 2021

CAZ285-150300-
/O.CAN.KMFR.FW.A.0015.210715T2100Z-210716T0300Z/
/O.CON.KMFR.FW.W.0020.210714T2100Z-210715T0300Z/
Modoc County Except for the Surprise Valley-
100 PM PDT Wed Jul 14 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
   FOR EAST WIND WITH POOR OVERNIGHT RH RECOVERY FOR FIRE WEATHER
   ZONE 285...
...FIRE WEATHER WATCH IS CANCELLED FOR EAST WIND WITH POOR 
   OVERNIGHT RH RECOVERY THURSDAY FOR FIRE WEATHER ZONE 285...

The National Weather Service in Medford has cancelled the Fire
Weather Watch.

* Impacts: East winds, poor relative humidity recovery, and critically
  dry vegetation will likely contribute to a significant spread of
  new and existing fires.

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

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

* Humidity: 6 to 9 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.

&&

$$

ORZ624-150300-
/O.CON.KMFR.FW.W.0020.000000T0000Z-210715T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
100 PM PDT Wed Jul 14 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
   FOR A HAINES 6 ON THE BOOTLEG FIRE IN FIRE WEATHER ZONE 624...

* 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: 
  In South Central OR...The Bootleg fire in Fire Weather Zone 624.

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

* Humidity: As low as 9 percent.

* Additional Information: The best chance for a Haines 6 is
  between 2 and 8 pm PDT. Winds will be gusty this afternoon and
  evening.

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

$$


Visit us at www.weather.gov/Medford
215 
WWUS86 KMFR 142033 CCA
RFWMFR

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Medford OR
133 PM PDT Wed Jul 14 2021

CAZ285-150300-
/O.CAN.KMFR.FW.A.0015.210715T2100Z-210716T0300Z/
/O.COR.KMFR.FW.W.0020.210714T2100Z-210715T0300Z/
Modoc County Except for the Surprise Valley-
133 PM PDT Wed Jul 14 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... 
...FIRE WEATHER WATCH FOR THURSDAY IS CANCELLED...

The National Weather Service in Medford has cancelled the Fire
Weather Watch.

* 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...Most of Fire Weather Zone 285 including the 
  Modoc National Forest.

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

* Humidity: 6 to 9 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.

&&

$$

ORZ624-150300-
/O.CON.KMFR.FW.W.0020.000000T0000Z-210715T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
133 PM PDT Wed Jul 14 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
   FOR A HAINES 6 ON THE BOOTLEG FIRE IN FIRE WEATHER ZONE 624...

* 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: 
  In South Central OR...The Bootleg fire in Fire Weather Zone 624.

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

* Humidity: As low as 9 percent.

* Additional Information: The best chance for a Haines 6 is
  between 2 and 8 pm PDT. Winds will be gusty this afternoon and
  evening.

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

$$


Visit us at www.weather.gov/Medford
293 
WWUS86 KMFR 150240
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
740 PM PDT Wed Jul 14 2021



CAZ285-150345-
/O.EXP.KMFR.FW.W.0020.000000T0000Z-210715T0300Z/
Modoc County Except for the Surprise Valley-
740 PM PDT Wed Jul 14 2021

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

Breezy winds with low RH will continue for a little while longer,
but RH will begin increasing shortly, allowing the critical nature
of the conditions to subside. Therefore the Red Flag Warning will
be allowed to expire. 

$$

ORZ624-150500-
/O.EXT.KMFR.FW.W.0020.000000T0000Z-210715T0500Z/
Klamath Basin and the Fremont-Winema National Forest-
740 PM PDT Wed Jul 14 2021

...RED FLAG WARNING NOW IN EFFECT UNTIL 10 PM PDT THIS EVENING FOR
HAINES 6 WITH EXISTING FIRE FOR FIRE WEATHER ZONE 624...

* Impacts: An observed pyrocumulonimbus is ongoing with radar
  depicting broad rotation in the smoke column along the fire line.
  The very dry and unstable conditions will continue to support
  extreme fire behavior for a couple more hours with locally-
  generated erratic and gusty winds. Spotting could be 
  problematic.

* Affected area: The bootleg fire in Oregon Fire Zone 624.

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

* Humidity: As low as 10 percent.

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

$$


Visit us at www.weather.gov/Medford
416 
WWUS86 KMFR 150446
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
946 PM PDT Wed Jul 14 2021

ORZ624-150600-
/O.EXP.KMFR.FW.W.0020.000000T0000Z-210715T0500Z/
Klamath Basin and the Fremont-Winema National Forest-
946 PM PDT Wed Jul 14 2021

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
HAINES 6 WITH EXISTING FIRE FOR FIRE WEATHER ZONE 624...

Although brief periods of unstable conditions with pyrocumulus 
clouds are possible through Midnight, the conditions are beginning
stabilize. Therefore, the Red Flag Warning will be allowed to
expire.

$$


Visit us at www.weather.gov/Medford

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.