Alert archive / Oregon / Red Flag Warnings in 2021

Red Flag Warning 30, NWS Medford, OR

July 28, 20216 counties in Oregon; Siskiyou County, California

NWS Medford, OR issued this red flag warning at Jul 28, 2021, 5:00 AM PDT for 6 counties in Oregon; Siskiyou County, California. It took effect at Jul 29, 2021, 2:00 PM PDT. It was in force for 9 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 28, 2021, 5:00 AM PDT (12:00 UTC)
In effect from
Jul 29, 2021, 2:00 PM PDT
Expired
Jul 29, 2021, 11:00 PM PDT
In force
9 hr
Issued by
NWS Medford, OR

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

The radar

The Medford radar (KMAX), 76 km from the middle of the area, began a volume at 11:59 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, 0.0 hours before the alert went out and 51 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 2021-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 12:00Z on 2021-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
9 J/kg
Mixed-layer CIN
-321 J/kg
Mixed-layer LCL
950 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

375 
WWUS86 KMFR 281200
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
500 AM PDT Wed Jul 28 2021

...Scattered thunderstorms possible Thursday afternoon and
   evening...

.Hot weather will return Wednesday through Friday. Southerly flow 
will continue to bring moisture into the area resulting in 
scattered thunderstorms Thursday afternoon and evening over the 
Cascades, far eastern Douglas County, northern Klamath County and 
far northwest Lake County. With critically dry fuels in these 
areas, this may result in numerous new fire starts.

ORZ617-623-624-290000-
/O.UPG.KMFR.FW.A.0023.210729T2100Z-210730T0600Z/
/O.NEW.KMFR.FW.W.0030.210729T2100Z-210730T0600Z/
Umpqua National Forest-Southern Oregon Cascades-
Klamath Basin and the Fremont-Winema National Forest-
500 AM PDT Wed Jul 28 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT THURSDAY FOR
   ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 617...
   623 AND 624...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 11 PM PDT Thursday. 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: 
  In South Central OR....The northwest portion of Fire Weather Zone
  624, north and west of a line from Chiloquin to Silver Lake in 
  the Fremont and Winema National Forests. 
  
  In Southwest OR...The eastern portion of Fire Weather Zone 617, 
  from Toketee Falls eastward in the Umpqua National Forest...and 
  the northern portion of Fire Weather Zone 623 north of Howard 
  Prairie.

* Wind: Southwest becoming west 5 to 10 mph with gusts to 15 mph,
  except gusty outflow winds possible near thunderstorms.

* 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
6 follow-up statements
315 
WWUS86 KMFR 282125
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
225 PM PDT Wed Jul 28 2021

...Scattered thunderstorms expected on Thursday afternoon and
evening and possible Friday afternoon and evening...

.Hot weather will return Wednesday through Friday. Southerly flow
will continue to bring moisture into the area resulting in
scattered thunderstorms Thursday afternoon and evening over Western
Siskiyou County, the Siskiyous, the Cascades, the Douglas County 
foothills, northern Klamath County and far northwest Lake County. 
With critically dry fuels in these areas, this may result in 
numerous new fire starts.

CAZ280-ORZ621-622-291445-
/O.NEW.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
/O.EXA.KMFR.FW.W.0030.210729T2100Z-210730T0600Z/
Western Klamath National Forest-Siskiyou Mountains-
Eastern Rogue Valley-
225 PM PDT Wed Jul 28 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT THURSDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280...
621 AND 622...
...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE
WEATHER ZONES 280...621 AND 622...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 11 PM PDT Thursday. A
Fire Weather Watch has also been issued. This Fire Weather Watch
is in effect from Friday afternoon through Friday evening.

* Impacts: Lightning over dry vegetation will likely result in new
  fire starts. Gusty thunderstorm winds could contribute to fire 
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

* Affected area: In Northern CA Fire Zone....Almost all of fire
  zone 280 in western Siskiyou County. In Southwest OR, most of
  fire zone 621 in the Siskiyou Mountains and portions of southeast
  fire zone 620 in Jackson County, including the Siskiyou and 
  Cascade foothills.

* Wind: Southwest becoming west 5 to 10 mph with gusts to 15 mph, 
  except gusty shifting winds possible near thunderstorms. 

* When: The Red Flag Warning is for Thursday afternoon from 2 pm
  until 11 pm. The Fire Weather Watch is for Friday 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.

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.

&&

$$

ORZ617-623-624-291445-
/O.NEW.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
/O.CON.KMFR.FW.W.0030.210729T2100Z-210730T0600Z/
Umpqua National Forest-Southern Oregon Cascades-
Klamath Basin and the Fremont-Winema National Forest-
225 PM PDT Wed Jul 28 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM PDT
THURSDAY FOR  ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER 
ZONES 617... 623 AND 624... 

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH 
FRIDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER
ZONES 617...623 AND 624...

The National Weather Service in Medford has issued a Fire Weather
Watch...which is in effect from Friday afternoon through Friday
evening.

* Impacts: Lightning over dry vegetation will likely result in new
  fire starts. Gusty thunderstorm winds could contribute to fire 
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

* Affected area: In Oregon on Thursday, western portions of Fire
  Zone 624, the southern Oregon Cascades of Fire Zone 623 and 617,
  and most of the Douglas County Foothills in Fire Zone 617. This
  does include the Jack Fire, but not the Bootleg Fire. Then on
  Friday, the Fire weather watch includes all of the southern
  Oregon Cascades of Fire Zone 623 and Klamath and western Lake
  County Fire Zone 624, including the Bootleg Fire. It also covers
  the Douglas County Foothills, including the Jack Fire, in Fire
  Zone 617.  

* Wind: Southwest 5 to 10 mph with gusts to 15 mph, except for
  strong and shifting winds near thunderstorms.

* 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.

&&

$$

CAZ281-284-285-ORZ625-291445-
/O.NEW.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
Central Siskiyou County Including Shasta Valley-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
225 PM PDT Wed Jul 28 2021

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE
WEATHER ZONES 281...284...285 AND 625...

The National Weather Service in Medford has issued a Fire Weather
Watch...which is in effect from Friday afternoon through Friday
evening.

* Impacts: Lightning and high fire danger will likely result in new
  fire starts. Gusty thunderstorm winds could contribute to fire
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

* Affected area: In Northern CA, most of Fire Zone 281 north of
  Grenada and west of Gazelle; the northern half of Fire Zone 284
  north of Tennant, and most of Fire Zone 285. In South Central OR
  the southwestern half of Fire Zone 625. This includes the Bootleg
  Fire.

* Wind: Northwest 5 to 10 mph with gusts to 15 mph, except for
  gusty, shifting winds near thunderstorms.

* 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
695 
WWUS86 KMFR 282249 CCA
RFWMFR

URGENT - FIRE WEATHER MESSAGE...CORRECTED
National Weather Service Medford OR
349 PM PDT Wed Jul 28 2021

Corrected wording and Fire Weather Zone referencing...

...Scattered thunderstorms expected Thursday afternoon and 
evening and, possibly, Friday afternoon and evening...

.Hot weather will continue today through Friday drying out most
areas that received rainfall in the past couple of days. 
Southerly flow will continue to bring increasing atmospheric
moisture into the area resulting in scattered thunderstorms 
Thursday afternoon and evening over Western Siskiyou County, the 
Siskiyous, the Cascades, the Douglas County foothills, northern 
Klamath County, and far northwestern Lake County. With critically
dry fuels in these areas, numerous fire starts are likely.

CAZ280-ORZ621-622-291445-
/O.COR.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
/O.COR.KMFR.FW.W.0030.210729T2100Z-210730T0600Z/
Western Klamath National Forest-Siskiyou Mountains-
Eastern Rogue Valley-
349 PM PDT Wed Jul 28 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT THURSDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280, 621, 
AND 622...

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE
WEATHER ZONES 280, 621, AND 622...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 11 PM PDT Thursday. A
Fire Weather Watch has also been issued. This Fire Weather Watch
is in effect from Friday afternoon through Friday evening.

* Impacts: Lightning on dry vegetation will likely result in new 
  fire starts. Gusty thunderstorm winds could contribute to fire 
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

* Affected area: In Northern CA Fire Zone....Almost all of Fire
  Weather Zone 280 in western Siskiyou County. In Southwest OR,
  most of Fire Weather Zone 621 in the Siskiyou Mountains, and
  portions of southeastern Fire Weather Zone 622 in Jackson 
  County, including the Siskiyou and Cascade foothills.

* Wind: Southwest becoming west 5 to 10 mph with gusts to 15 mph,
  except gusty, shifting winds are likely in and near 
  thunderstorms.
 
* When: The Red Flag Warning is for Thursday afternoon from 2 pm
  until 11 pm. The Fire Weather Watch is for Friday afternoon and 
  evening.
 
* View the hazard area in detail at:
https://www.wrh.noaa.gov/mfr/HAZARD

Precautionary/preparedness actions...

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.

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.

&&

$$

ORZ617-623-624-291445-
/O.COR.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
/O.COR.KMFR.FW.W.0030.210729T2100Z-210730T0600Z/
Umpqua National Forest-Southern Oregon Cascades-
Klamath Basin and the Fremont-Winema National Forest-
349 PM PDT Wed Jul 28 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM PDT
THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER 
ZONES 617, 623, AND 624... 

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH 
FRIDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER
ZONES 617, 623, AND 624...

The National Weather Service in Medford has issued a Fire Weather
Watch...which is in effect from Friday afternoon through Friday
evening.

* Impacts: Lightning on dry vegetation will likely result in new 
  fire starts. Gusty thunderstorm winds could contribute to fire 
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

* Affected area: In Oregon on Thursday, western portions of Fire
  Zone 624, the southern Oregon Cascades of Fire Zone 623 and 617,
  and most of the Douglas County Foothills in Fire Zone 617. This
  does include the Jack Fire, but not the Bootleg Fire. Then, on
  Friday, the Fire Weather Watch includes all of the southern 
  Oregon Cascades of Fire Zone 623 and Klamath and western Lake 
  County Fire Zone 624, including the Bootleg Fire. It also covers
  the Douglas County Foothills, including the Jack Fire, in Fire 
  Zone 617. 

* Wind: Southwest 5 to 10 mph with gusts to 15 mph, except
  stronger, shifting winds are likely in and near thunderstorms.

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

Precautionary/preparedness actions...

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.

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.

&&

$$

CAZ281-284-285-ORZ625-291445-
/O.COR.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
Central Siskiyou County Including Shasta Valley-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
349 PM PDT Wed Jul 28 2021

...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
FRIDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE
WEATHER ZONES 281...284...285 AND 625...

The National Weather Service in Medford has issued a Fire Weather
Watch...which is in effect from Friday afternoon through Friday
evening.

* Impacts: Lightning and High Fire Danger are likely to result in
  new fire starts. Gusty thunderstorm winds could contribute to 
  fire spread. Despite rainfall with storms, initial attack 
  resources could be overwhelmed and holdover fires are possible.

* Affected area: In Northern CA, most of Fire Zone 281 north of
  Grenada and west of Gazelle; the northern half of Fire Zone 284
  north of Tennant, and most of Fire Zone 285. In South Central OR
  the southwestern half of Fire Zone 625. This includes the Bootleg
  Fire.

* Wind: Northwest 5 to 10 mph with gusts to 15 mph, except gusty,
  shifting winds are likely near thunderstorms.

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

Precautionary/preparedness actions...

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.

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.

&&

$$
BTL/BMS

Visit us at www.weather.gov/Medford
155 
WWUS86 KMFR 291200
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
500 AM PDT Thu Jul 29 2021

...Scattered thunderstorms expected Thursday afternoon and evening
   and, possibly, Friday afternoon and evening...

.Hot weather today through Friday will dry out the areas that 
received rainfall recently. Southerly flow will continue to bring 
moisture into the area. The heat and moisture will combine to
support scattered thunderstorms Thursday afternoon and evening 
over Western Siskiyou County, the Siskiyous, the Cascades, the 
Douglas County foothills, northern Klamath County, and far 
northwestern Lake County. With critically dry fuels in these areas,
numerous fire starts are likely.

CAZ280-ORZ617-621>624-292200-
/O.CON.KMFR.FW.W.0030.210729T2100Z-210730T0600Z/
/O.CON.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
Western Klamath National Forest-Umpqua National Forest-
Siskiyou Mountains-Eastern Rogue Valley-Southern Oregon Cascades-
Klamath Basin and the Fremont-Winema National Forest-
500 AM PDT Thu Jul 29 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
   11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR
   FIRE WEATHER ZONES 617, 621, 622, 623, AND 624 IN OREGON AND
   FIRE WEATHER ZONE 280 IN NORTHERN CALIFORNIA...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
   THROUGH FRIDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR
   FIRE WEATHER ZONES 617, 621, 622, 623, AND 624 IN OREGON AND 
   FIRE WEATHER ZONE 280 IN NORTHERN CALIFORNIA...

* 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: For the Warning in Oregon on Thursday, most of 
  Fire Weather Zone 621 in the Siskiyou Mountains, portions of 
  southeastern Fire Weather Zone 622 in Jackson County, including
  the Siskiyou and Cascade foothills, western portions of Fire 
  Zone 624, the southern Oregon Cascades of Fire Zone 623 and 617,
  and most of the Douglas County Foothills in Fire Zone 617. This
  includes the Jack Fire, but not the Bootleg Fire. 

  For the Watch in Oregon on Friday, most of Fire Weather Zone 621
  in the Siskiyou Mountains, portions of southeastern Fire Weather
  Zone 622 in Jackson County, including the Siskiyou and Cascade 
  foothills, all of the southern Oregon Cascades of Fire Zone 623
  and Klamath and western Lake County Fire Zone 624, including the
  Bootleg Fire. It also covers the Douglas County Foothills, 
  including the Jack Fire, in Fire Zone 617. 

  In Northern CA for the Warning on Thursday and the Watch on 
  Friday...Almost all of Fire Weather Zone 280 in western Siskiyou
  County. 

* Wind: Southwest to west 5 to 10 mph with gusts to 15 mph, except
  stronger, shifting winds are likely in and near thunderstorms.

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

$$

CAZ281-284-285-ORZ625-292200-
/O.CON.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
Central Siskiyou County Including Shasta Valley-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
500 AM PDT Thu Jul 29 2021

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
   THROUGH FRIDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR
   FIRE WEATHER ZONE 625 IN OREGON AND FIRE WEATHER ZONES 281, 
   284, AND 285 IN NORTHERN CALIFORNIA...

* 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 Northern CA, most of Fire Zone 281 north of
  Grenada and west of Gazelle; the northern half of Fire Zone 284
  north of Tennant, and most of Fire Zone 285. 

  In South Central OR the southwestern half of Fire Zone 625. This
  includes the Bootleg Fire.

* Wind: Northwest 5 to 10 mph with gusts to 15 mph, except gusty,
  shifting winds are likely near thunderstorms.

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

$$

Visit us at www.weather.gov/Medford
680 
WWUS86 KMFR 291906
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1206 PM PDT Thu Jul 29 2021

...Scattered thunderstorms expected Thursday afternoon and evening
and, again, Friday afternoon and evening...

.Hot weather today through Friday will dry out the areas that
received rainfall recently. Southerly flow will continue to bring
moisture into the area. The heat and moisture will combine to
support scattered thunderstorms into this evening and again Friday
afternoon and early evening. With critically dry fuels in these 
areas, numerous fire starts are likely.

CAZ280-ORZ617-621>624-301230-
/O.UPG.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
/O.NEW.KMFR.FW.W.0031.210730T2100Z-210731T0600Z/
/O.CON.KMFR.FW.W.0030.210729T2100Z-210730T0600Z/
Western Klamath National Forest-Umpqua National Forest-
Siskiyou Mountains-Eastern Rogue Valley-Southern Oregon Cascades-
Klamath Basin and the Fremont-Winema National Forest-
1206 PM PDT Thu Jul 29 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 617, 
621, 622, 623, AND 624 IN OREGON AND FIRE WEATHER ZONE 280 IN 
NORTHERN CALIFORNIA... 

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT FRIDAY FOR 
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 617, 
621, 622, 623, AND 624 IN OREGON AND FIRE WEATHER ZONE 280 IN 
NORTHERN CALIFORNIA...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 11 PM PDT Friday. The
Fire Weather Watch is no longer in effect.

* Impacts: Lightning and dry vegetation 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: For the Warning in Oregon on Thursday, most of 
  Fire Weather Zone 621 in the Siskiyou Mountains, portions of 
  southeastern Fire Weather Zone 622 in Jackson County, including
  the Siskiyou and Cascade foothills, western portions of Fire 
  Zone 624, the southern Oregon Cascades of Fire Zone 623 and 617,
  and most of the Douglas County Foothills in Fire Zone 617. This
  includes the Jack Fire, but not the Bootleg Fire. 

 For the Warning in Oregon on Friday, most of Fire Weather Zone 
 621 in the Siskiyou Mountains, portions of southeastern Fire 
 Weather Zone 622 in Jackson County, including the Siskiyou and 
 Cascade foothills, all of the southern Oregon Cascades of Fire 
 Zone 623 and Klamath and western Lake County Fire Zone 624, 
 including the Bootleg Fire. It also covers the Douglas County 
 Foothills, including the Jack Fire, in Fire Zone 617. 

 In Northern CA the Warning on Thursday and Friday...Almost all of
 Fire Weather Zone 280 in western Siskiyou County. 

* Wind: Southwest to west 5 to 10 mph with gusts to 15 mph, except
  stronger, shifting winds are likely in and near thunderstorms.

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

Precautionary/preparedness actions...


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.

&&

$$

CAZ281-284-285-ORZ625-301230-
/O.UPG.KMFR.FW.A.0024.210730T2100Z-210731T0600Z/
/O.NEW.KMFR.FW.W.0031.210730T2100Z-210731T0600Z/
Central Siskiyou County Including Shasta Valley-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
1206 PM PDT Thu Jul 29 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 11 PM PDT FRIDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 625 IN OREGON 
AND FIRE WEATHER ZONES 281, 284, AND 285 IN NORTHERN CALIFORNIA...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 11 PM PDT Friday. The
Fire Weather Watch is no longer in effect.

* Impacts: Lightning and dry vegetation 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, most of Fire Zone 281 north of
  Grenada and west of Gazelle; the northern half of Fire Zone 284
  north of Tennant, and most of Fire Zone 285. 

 In South Central OR the southwestern half and southeast corner of
 Fire Zone 625. This includes the Bootleg Fire.

* Wind: Northwest 5 to 10 mph with gusts to 15 mph, except gusty,
shifting winds are likely near thunderstorms.

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


Precautionary/preparedness actions...


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
718 
WWUS86 KMFR 300359
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
859 PM PDT Thu Jul 29 2021

...Scattered thunderstorms have ended this evening, except in
FWZ624...

...Isolated to scattered thunderstorms expected Friday afternoon 
and evening...

.Southerly flow will continue to bring moisture into the area. The
heat and moisture will combine to support isolated to scattered 
thunderstorms this evening in FWZ 624 and again Friday afternoon 
into the evening over a wider area. With critically dry fuels in 
these areas, numerous fire starts are likely.

CAZ280-ORZ617-621>623-301400-
/O.CAN.KMFR.FW.W.0030.000000T0000Z-210730T0600Z/
/O.CON.KMFR.FW.W.0031.210730T2100Z-210731T0600Z/
Western Klamath National Forest-Umpqua National Forest-
Siskiyou Mountains-Eastern Rogue Valley-Southern Oregon Cascades-
859 PM PDT Thu Jul 29 2021

...RED FLAG WARNING FOR THIS EVENING IS CANCELLED FOR ABUNDANT 
LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 617, 621, 622, AND
623 IN OREGON AND FIRE WEATHER ZONE 280 IN NORTHERN CALIFORNIA...

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM PDT
FRIDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES
617, 621, 622, AND 623 IN OREGON AND FIRE WEATHER ZONE 280 IN 
NORTHERN CALIFORNIA...

The National Weather Service in Medford has cancelled the Red Flag
Warning.

* Impacts: lightning on dry vegetation will likely result in new
  fire starts fRIDAY. Gusty thunderstorm winds could contribute to
  fire spread. Despite rainfall with storms, initial attack 
  resources could be overwhelmed and holdover fires are possible.

* Affected area: 
  In Northern CA Fire Zone....280.
  In Southwest OR Fire Zones...617...621...622...623.

* Wind: Southwest to west 5 to 10 mph with gusts to 15 mph, except
  stronger gusty and shifting winds are likely in and near 
  thunderstorms.

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

Precautionary/preparedness actions...

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.

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.

&&

$$

ORZ624-301400-
/O.CON.KMFR.FW.W.0030.000000T0000Z-210730T0600Z/
/O.CON.KMFR.FW.W.0031.210730T2100Z-210731T0600Z/
Klamath Basin and the Fremont-Winema National Forest-
859 PM PDT Thu Jul 29 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR PORTIONS OF FIRE WEATHER 
ZONE 624 IN OREGON... 

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM
PDT FRIDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER 
ZONE 624 IN OREGON...

* Impacts: Lightning on dry vegetation will likely result in new 
  fire starts. Gusty thunderstorm winds could contribute to fire 
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

* Affected area: 
  - The remainder of this evening: Isolated to scattered lightning
    is expected across the northern portion of the Upper Klamath 
    Lake area to Modoc Point and Chiloquin northward.
  - All of FWZ 624 is in the Red Flag Warning area for Friday
    afternoon and evening.

* Wind: Southwest to west 5 to 10 mph with gusts to 15 mph, except
  stronger gusty, shifting winds are likely in and near 
  thunderstorms.

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

$$

CAZ281-284-285-ORZ625-301400-
/O.CON.KMFR.FW.W.0031.210730T2100Z-210731T0600Z/
Central Siskiyou County Including Shasta Valley-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
859 PM PDT Thu Jul 29 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM PDT
FRIDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE
625 IN OREGON AND FIRE WEATHER ZONES 281, 284, AND 285 IN NORTHERN
CALIFORNIA...

* Impacts: Lightning on dry vegetation will likely result in new 
  fire starts. Gusty thunderstorm winds could contribute to fire 
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

* Affected area: 
  In Northern CA Fire Zones...281...284...285.
  In South Central OR Fire Zone....625.

* Wind: Northwest 5 to 10 mph with gusts to 15 mph, except gusty
  and shifting winds are likely in and near thunderstorms.

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

$$
BTL

Visit us at www.weather.gov/Medford
065 
WWUS86 KMFR 300601
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1101 PM PDT Thu Jul 29 2021

...Scattered thunderstorms have ended this evening...

...Isolated to scattered thunderstorms expected Friday afternoon
and evening...

.Southerly flow will continue to bring moisture into the area. The
heat and moisture will combine to support isolated to scattered
thunderstorms Friday afternoon into the evening over a wider area.
With critically dry fuels in these areas, numerous fire starts are
likely.

ORZ624-301915-
/O.EXP.KMFR.FW.W.0030.000000T0000Z-210730T0600Z/
/O.CON.KMFR.FW.W.0031.210730T2100Z-210731T0600Z/
Klamath Basin and the Fremont-Winema National Forest-
1101 PM PDT Thu Jul 29 2021

...RED FLAG WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 624...

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM PDT
FRIDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE
624...

* Impacts: Lightning on dry vegetation will likely result in new 
  fire starts. Gusty thunderstorm winds could contribute to fire 
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

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

* Wind: Southwest to west 5 to 10 mph with gusts to 15 mph, except
  stronger gusty and shifting winds are likely in and near 
  thunderstorms.

* 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.

&&

$$

CAZ280-281-284-285-ORZ617-621>623-625-301915-
/O.CON.KMFR.FW.W.0031.210730T2100Z-210731T0600Z/
Western Klamath National Forest-
Central Siskiyou County Including Shasta Valley-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
Umpqua National Forest-Siskiyou Mountains-Eastern Rogue Valley-
Southern Oregon Cascades-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
1101 PM PDT Thu Jul 29 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 11 PM PDT
FRIDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES
280...281...284...285...617...621...622...623 AND 625...

* Impacts: Lightning on dry vegetation will likely result in new 
  fire starts. Gusty thunderstorm winds could contribute to fire 
  spread. Despite rainfall with storms, initial attack resources 
  could be overwhelmed and holdover fires are possible.

* Affected area: 
  In Northern CA Fire Zones...280...281...284...285.
  In South Central OR Fire Zone....625.
  In Southwest OR Fire Zones...617...621...622...623.

* Wind: Northwest 5 to 10 mph, except stronger gusty, shifting 
  winds are likely in and near thunderstorms.

* 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
Jul 28, 2:26 AM PDTSmall Craft AdvisoryMFR8 days
Jul 28, 3:01 AM PDTExcessive Heat WarningMFRCoos, Curry, Douglas, Jackson, Josephine65 hr
Jul 28, 2:25 PM PDTFire Weather WatchMFRDouglas, Harney, Jackson, Josephine, Klamath, Lake and 1 more22 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.