Alert archive / Oregon / Red Flag Warnings in 2021

Red Flag Warning 10, NWS Medford, OR

June 22, 2021Siskiyou County, California; 6 counties in Oregon

NWS Medford, OR issued this red flag warning at Jun 22, 2021, 2:34 PM PDT for Siskiyou County, California; 6 counties in Oregon. It took effect at Jun 23, 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
Jun 22, 2021, 2:34 PM PDT (21:34 UTC)
In effect from
Jun 23, 2021, 2:00 PM PDT
Expired
Jun 23, 2021, 11:00 PM PDT
In force
9 hr
Issued by
NWS Medford, OR

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

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 9.6 hours before the alert went out and 81 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 2021-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 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 2021-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
88 J/kg
Mixed-layer CIN
-457 J/kg
Mixed-layer LCL
1647 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

144 
WWUS86 KMFR 222134
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
234 PM PDT Tue Jun 22 2021

...Abundant Lightning Expected Today and Wednesday Afternoons and
Evenings...

.Low pressure centered southwest of the area will send a series of
disturbances into the area from the southeast. Scattered
thunderstorms on dry fuels are expected over much of the forecast
area this afternoon and evening. Thunderstorm activity on Wednesday
will be more isolated, but scattered activity is expected over
portions of Fire Weather Zones 280 in California and 621 in the
Siskiyous. While isolated storms will produce wetting rainfall,
significant lightning on dry fuels is expected.


CAZ280-ORZ621-231400-
/O.NEW.KMFR.FW.W.0010.210623T2100Z-210624T0300Z/
/O.CON.KMFR.FW.W.0009.000000T0000Z-210623T0700Z/
Western Klamath National Forest-Siskiyou Mountains-
234 PM PDT Tue Jun 22 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280 AND
621... 

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT WEDNESDAY FOR 
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280 AND 
621...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM to 8 PM PDT Wednesday.

* Impacts: 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 Zone....280.
  In Southwest OR Fire Zone....621.

* Wind: Gusty and erratic wind gusts of 20 to 40 mph are possible
  in and near these thunderstorms.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

* Additional Information: Additional lightning is anticipated in
  Northern California Thursday afternoon and evening which might
  result in the need for additional watches or warnings. 

* 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.

&&

$$

CAZ284-285-ORZ623>625-230700-
/O.CON.KMFR.FW.W.0008.000000T0000Z-210623T0700Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
Southern Oregon Cascades-Klamath Basin and the Fremont-
Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
234 PM PDT Tue Jun 22 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 284...
623...624 AND 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 Northern CA Fire Zones...284...285.
  In South Central OR Fire Zones...624...625.
  In Southwest OR Fire Zone....623.

* Wind: Gusty and erratic wind gusts of 30 to as high as 55 mph 
  are possible in and near these thunderstorms.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

* Additional Information: Additional lightning is anticipated in
  Northern California Thursday afternoon and evening which might
  result in the need for additional watches or warnings. 

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

$$

CAZ281-ORZ622-230700-
/O.CON.KMFR.FW.W.0009.000000T0000Z-210623T0700Z/
Central Siskiyou County Including Shasta Valley-
Eastern Rogue Valley-
234 PM PDT Tue Jun 22 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 280...
281...621 AND 622...

* 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 Fire Zone....281.
  In Southwest OR Fire Zone....622.

* Wind: Gusty and erratic wind gusts of 20 to 40 mph are possible
  in and near these thunderstorms.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

* Additional Information: Additional lightning is anticipated in
  Northern California Thursday afternoon and evening which might
  result in the need for additional watches or warnings.

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

$$
BTL

Visit us at www.weather.gov/Medford
5 follow-up statements
203 
WWUS86 KMFR 230602
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1102 PM PDT Tue Jun 22 2021

...Abundant Lightning Expected Wednesday Afternoon and Evening...

.Low pressure centered southwest of the area will send a series of
disturbances into the area from the southeast. Scattered
thunderstorms on dry fuels are expected over much of western
Siskiyou County and along the Siskiyou mountains in fire weather
zones 280 and 621. Isolated storms will be expected over a wider
portion of Southern Oregon and Northern California. While isolated
storms will produce wetting rainfall, significant lightning on dry
fuels is expected.

CAZ280-ORZ621-231815-
/O.CAN.KMFR.FW.W.0009.000000T0000Z-210623T0700Z/
/O.CON.KMFR.FW.W.0010.210623T2100Z-210624T0300Z/
Western Klamath National Forest-Siskiyou Mountains-
1102 PM PDT Tue Jun 22 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER
ZONES 280 AND 621...

...RED FLAG WARNING FOR TODAY HAS EXPIRED FOR ABUNDANT LIGHTNING 
ON DRY FUELS FOR FIRE WEATHER ZONES 280 AND 621...

* 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 Fire Zone....280, including the Klamath National
Forest, Marble Mountains, Scott Bar Mountains and the communities
of Happy Camp, Seiad Valley, Etna, and Fort Jones.


In Southwest OR Fire Zone....621, including the Siskiyou Mountains
and Rogue River National Forest.

* Wind: Gusty and erratic wind gusts to 40 mph are possible in and
  near these thunderstorms.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
are likely to produce at least some rainfall.

* Additional Information: Additional lightning is anticipated in
Northern California Thursday afternoon and evening which might
result in the need for additional watches or warnings.

* 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.

&&

$$

CAZ284-285-ORZ623>625-230715-
/O.CAN.KMFR.FW.W.0008.000000T0000Z-210623T0700Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
Southern Oregon Cascades-Klamath Basin and the Fremont-
Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
1102 PM PDT Tue Jun 22 2021

...RED FLAG WARNING IS CANCELLED FOR ABUNDANT LIGHTNING ON DRY
FUELS FOR FIRE WEATHER ZONES 284...285...623...624 AND 625...

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

Thunderstorms have ended for today, with none expected overnight. 
Isolated thunderstorms are expected again Wednesday afternoon.

$$

CAZ281-ORZ622-230715-
/O.CAN.KMFR.FW.W.0009.000000T0000Z-210623T0700Z/
Central Siskiyou County Including Shasta Valley-
Eastern Rogue Valley-
1102 PM PDT Tue Jun 22 2021

...RED FLAG WARNING IS CANCELLED FOR ABUNDANT LIGHTNING ON DRY
FUELS FOR FIRE WEATHER ZONES 281 AND 622...

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

Thunderstorms have ended for today, with none expected overnight. 
Isolated thunderstorms are expected again Wednesday afternoon.

$$


Visit us at www.weather.gov/Medford
113 
WWUS86 KMFR 231019
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
319 AM PDT Wed Jun 23 2021

...Abundant Lightning Expected This Afternoon and Evening...

...Scattered Thunderstorms Possible over Northern California
Thursday Afternoon and Evening...

.Low pressure centered southwest of the area will send a series of
disturbances into the area from the southeast. Scattered
thunderstorms on dry fuels are expected over much of western
Siskiyou County and along the Siskiyou mountains in fire weather
zones 280 and 621, as well as the Cascades in northern zone 623,
and northern and central portions of zones 624 and 625. Isolated 
storms will be expected over a wider portion of Southern Oregon and
Northern California. While most storms will produce wetting 
rainfall, significant lightning on dry fuels is expected. 
Scattered thunderstorms are possible again Thursday, but should 
remain confined to northern California. 

ORZ623>625-240000-
/O.EXB.KMFR.FW.W.0010.210623T2100Z-210624T0600Z/
Southern Oregon Cascades-Klamath Basin and the Fremont-
Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
319 AM PDT Wed Jun 23 2021

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 PM
PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE
WEATHER ZONES 623...624 AND 625...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from 2 PM this afternoon to 11 PM PDT
this evening.

* 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 OR Fire Zones...623...624...and 625, including portions of 
  the Rogue River-Siskiyou and Fremont-Winema National Forests, 
  Crater Lake National Park, and the communities of Chemult, 
  Crescent, Crescent Lake, Fort Rock, Silver LAke, Summer Lake, 
  and Paisley. 

* Wind: Gusty and erratic wind gusts to 40 mph are possible in and
  near these thunderstorms.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

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


$$

CAZ280-240000-
/O.NEW.KMFR.FW.A.0009.210624T2100Z-210625T0600Z/
/O.EXT.KMFR.FW.W.0010.210623T2100Z-210624T0600Z/
Western Klamath National Forest-
319 AM PDT Wed Jun 23 2021

...RED FLAG WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR
FIRE WEATHER ZONE 280...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE
WEATHER ZONE 280...

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

* 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 Fire Zone....280, including the Klamath National
  Forest, Marble Mountains, Scott Bar Mountains and the communities
  of Happy Camp, Seiad Valley, Etna, and Fort Jones.

* Wind: Gusty and erratic wind gusts to 40 mph are possible in and
  near these thunderstorms.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

* Additional Information: Additional lightning is possible
  Thursday afternoon and evening.

* 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.

&&

$$

ORZ621-240000-
/O.EXT.KMFR.FW.W.0010.210623T2100Z-210624T0600Z/
Siskiyou Mountains-
319 AM PDT Wed Jun 23 2021

...RED FLAG WARNING NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
11 PM PDT THIS EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR
FIRE WEATHER ZONE 621...

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

* Affected area: 
  In Southwest OR Fire Zone....621, including the Siskiyou Mountains
  and portions of the Rogue River-Siskiyou National Forest.

* Wind: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

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

$$

CAZ281-282-284-285-240000-
/O.NEW.KMFR.FW.A.0009.210624T2100Z-210625T0600Z/
Central Siskiyou County Including Shasta Valley-Shasta-
Trinity National Forest in Siskiyou County-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
319 AM PDT Wed Jun 23 2021

...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH
THURSDAY EVENING FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE
WEATHER ZONES 281...282...284 AND 285...

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

* 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...Fire Weather Zones 281...282...284 and 285,
  including portions of the Klamath, Modoc, and Shasta National 
  Forests, Lava Beds National Monument, and the communities of 
  Weed, Mount Shasta City, McCloud, Tennant, Tionesta, Day, 
  Canby, and Likely. 

* Wind: Gusty and erratic wind gusts to 40 mph are possible in and
  near any thunderstorms.

* Thunderstorms: Scattered thunderstorms are possible. Isolated 
  dry thunderstorms are also possible, but most are likely to 
  produce at least some rainfall.

* 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.

&&

$$

BPN

Visit us at www.weather.gov/Medford
777 
WWUS86 KMFR 232115
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
215 PM PDT Wed Jun 23 2021

...Abundant Lightning Expected This Afternoon and Evening Over
Portions of Northwestern CA and Southwestern OR...

...Scattered Thunderstorms Expected over Northern California 
Thursday Afternoon and Evening...

.Low pressure centered off of the California coast is sending a
couple of disturbances northwestward through the forecast area
this afternoon and evening. These disturbances are expected to 
bring isolated to scattered thunderstorms on dry fuels over 
portions of western Siskiyou County and along the Siskiyou 
mountains in Fire Weather Zones 280 and 621, as well as the 
Cascades in northern FWZ 623, and northern and central portions of
FWZs 624 and 625. Isolated storms will be expected over a wider 
portion of Southern Oregon and Northern California. While most 
storms will produce rainfall that will be wetting in storm cores, 
significant lightning on dry fuels is expected. Scattered 
thunderstorms are expected again Thursday afternoon into the early 
evening across northern California.

CAZ280-241400-
/O.UPG.KMFR.FW.A.0009.210624T2100Z-210625T0600Z/
/O.NEW.KMFR.FW.W.0011.210624T1900Z-210625T0200Z/
/O.CON.KMFR.FW.W.0010.000000T0000Z-210624T0600Z/
Western Klamath National Forest-
215 PM PDT Wed Jun 23 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 280...

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM PDT THURSDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 280...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from noon to 7 PM PDT Thursday. A Red
Flag Warning for abundant lightning on dry fuels also remains in
effect through 11 PM PDT this evening.

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

* Affected area: 
  In Northern CA...Fire Weather Zone 280.

* Wind: Gusty outflow wind gusts in the 20 to 40 mph range are
  possible.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  of the thunderstorms are likely to produce at least some 
  rainfall.

* Additional Information: Thunderstorms today are expected to
  generally move from southeast to northwest. Thunderstorms
  Thursday are expected to move generally from east to west.

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

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. Lightning strikes with
little or no precipitation combined with dry fuels create
conditions where many fire starts may occur in a short period of
time.

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.

&&

$$

CAZ281-282-284-285-241400-
/O.UPG.KMFR.FW.A.0009.210624T2100Z-210625T0600Z/
/O.NEW.KMFR.FW.W.0011.210624T1900Z-210625T0200Z/
Central Siskiyou County Including Shasta Valley-Shasta-
Trinity National Forest in Siskiyou County-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
215 PM PDT Wed Jun 23 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM PDT THURSDAY FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 281...282...
284 AND 285...

The National Weather Service in Medford has issued a Red Flag
Warning...which is in effect from noon to 7 PM PDT Thursday.

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

* Affected area: 
  In Northern CA...Fire Weather Zones 281...282...284 and 285.

* Wind: Gusty outflow wind gusts in the 20 to 40 mph range are
  possible.

* Thunderstorms: Scattered thunderstorms are expected. Isolated 
  dry thunderstorms are also possible, but most are likely to 
  produce at least some rainfall.

* Additional Information: Thunderstorms Thursday are expected to 
  move generally from east to west.

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

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. Lightning strikes with
little or no precipitation combined with dry fuels create
conditions where many fire starts may occur in a short period of
time.

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.

&&

$$

ORZ623>625-240600-
/O.CON.KMFR.FW.W.0010.000000T0000Z-210624T0600Z/
Southern Oregon Cascades-Klamath Basin and the Fremont-
Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
215 PM PDT Wed Jun 23 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 623...
624 AND 625...

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

* Affected area: 
  In South Central OR Fire Zones...624...625.
  In Southwest OR Fire Zone....623.

* Wind: Gusty outflow wind gusts in the 30 to 50 mph range are 
  possible.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

* Additional Information: Thunderstorms today are expected to
  generally move from southeast to northwest.

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

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. Lightning strikes with
little or no precipitation combined with dry fuels create
conditions where many fire starts may occur in a short period of
time.

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.

$$

ORZ621-240600-
/O.CON.KMFR.FW.W.0010.000000T0000Z-210624T0600Z/
Siskiyou Mountains-
215 PM PDT Wed Jun 23 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 621...

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

* Affected area: 
  In Southwest OR...Fire Weather Zone 621.

* Wind: Gusty outflow wind gusts in the 20 to 40 mph range are
  possible.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
  are likely to produce at least some rainfall.

* Additional Information: Thunderstorms today are expected to
  generally move from southeast to northwest. Thunderstorms
  Thursday are expected to move generally from east to west.

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

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. Lightning strikes with
little or no precipitation combined with dry fuels create
conditions where many fire starts may occur in a short period of
time.

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.

$$
BTL

Visit us at www.weather.gov/Medford
312 
WWUS86 KMFR 240515
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1015 PM PDT Wed Jun 23 2021

...Abundant Lightning Expected This Evening Over Portions of 
Northern Lake and Klamath County...

...Scattered Thunderstorms Expected over Northern California
Thursday Afternoon and Evening...

.The low will move southward Thursday focusing scattered thunderstorm 
activity over Northern California. Signals are a bit mixed in the 
models, with some models hitting the Modoc area harder than Siskiyou 
County and others doing the opposite. We expect thunderstorms on 
Thursday to begin early and then end earlier than normal.

CAZ280-241715-
/O.CAN.KMFR.FW.W.0010.000000T0000Z-210624T0600Z/
/O.CON.KMFR.FW.W.0011.210624T1900Z-210625T0200Z/
Western Klamath National Forest-
1015 PM PDT Wed Jun 23 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM PDT
THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE
280...
...RED FLAG WARNING FOR TODAY HAS BEEN EXPIRED FOR ABUNDANT 
LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONE 280...

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

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

* Affected area: 
 In Northern CA...Fire Weather Zone 280, including the Klamath
National Forest, Marble Mountains, Scott Bar Mountains and the
communities of Happy Camp, Seiad Valley, Etna, and Fort Jones.

* Wind: Gusty, quickly shifting outflow wind gusts to 40 mph range
  are possible.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
of the thunderstorms are likely to produce at least some rainfall.

* Additional Information: Thunderstorms Thursday are expected to 
  move generally from east to west.

* 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.

&&

$$

ORZ621-623-240615-
/O.CAN.KMFR.FW.W.0010.000000T0000Z-210624T0600Z/
Siskiyou Mountains-Southern Oregon Cascades-
1015 PM PDT Wed Jun 23 2021

...RED FLAG WARNING HAS BEEN EXPIRED FOR ABUNDANT LIGHTNING ON DRY
FUELS FOR FIRE WEATHER ZONES 621 AND 623...

Thunderstorms have ceased for this evening. Isolated storms are 
possible again Thursday afternoon in the southeast portion of zone
623.

$$

ORZ624-625-240615-
/O.CON.KMFR.FW.W.0010.000000T0000Z-210624T0600Z/
Klamath Basin and the Fremont-Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
1015 PM PDT Wed Jun 23 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING
FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 624 AND
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 Zones 624 and 625 including the
Fremont National Forest, the communities of Chemult, Fort Rock and
others within the Christmas Valley.

* Wind: Gusty, quickly shifting outflow wind gusts up to 40 mph 
  range are possible.

* Thunderstorms: Isolated dry thunderstorms are possible, but most
are likely to produce at least some rainfall.

* Additional Information: Isolated thunderstorm activity could
  continue after 11 PM, but confidence is not high and storms
  should be short lived.

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

$$

CAZ281-282-284-285-241715-
/O.CON.KMFR.FW.W.0011.210624T1900Z-210625T0200Z/
Central Siskiyou County Including Shasta Valley-Shasta-
Trinity National Forest in Siskiyou County-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
1015 PM PDT Wed Jun 23 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM PDT
THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER
ZONES 281...282...284 AND 285...

* 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...Fire Weather Zones 281...282...284 and 285, this
includes the the Klamath National Forest, Marble Mountains, Scott
Bar Mountains, Shasta National Forest, Modoc National Forest, Lava
Beds National Monument and the communities of Happy Camp, Seiad 
Valley, Etna, Fort Jones, Weed, Mt. Shasta City, Tennant, Canby, 
Alturas, and Willow Ranch.

* Wind: Gusty, quickly shifting outflow wind gusts up to 40 mph 
  range are possible.

* Thunderstorms: Scattered thunderstorms are expected. Isolated
dry thunderstorms are also possible, but most are likely to
produce at least some rainfall.

* Additional Information: Thunderstorms Thursday are expected to
move generally from east to west.

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

$$


Visit us at www.weather.gov/Medford
076 
WWUS86 KMFR 240603
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
1103 PM PDT Wed Jun 23 2021

...Scattered Thunderstorms Expected over Northern California 
Thursday Afternoon and Evening...

.The low will move southward Thursday focusing scattered
thunderstorm activity over Northern California. Signals are a bit 
mixed in the models, with some models hitting the Modoc area harder
than Siskiyou County and others doing the opposite. We expect 
thunderstorms on Thursday to begin early and then end earlier than 
normal.

ORZ624-625-240715-
/O.EXP.KMFR.FW.W.0010.000000T0000Z-210624T0600Z/
Klamath Basin and the Fremont-Winema National Forest-
South Central Oregon Desert including the BLM Land in Eastern Lake
and Western Harney Counties-
1103 PM PDT Wed Jun 23 2021

...RED FLAG WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING FOR
ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER ZONES 624 AND
625...

A few lingering storms in central zone 625 may produce a few more
strikes in the next one to two hours. A slight chance for isolated
storms does remain in the southern portions of both 624 and 625.

$$

CAZ280>282-284-285-250000-
/O.CON.KMFR.FW.W.0011.210624T1900Z-210625T0200Z/
Western Klamath National Forest-
Central Siskiyou County Including Shasta Valley-Shasta-
Trinity National Forest in Siskiyou County-
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-Modoc County Except for the Surprise Valley-
1103 PM PDT Wed Jun 23 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM PDT
THURSDAY FOR ABUNDANT LIGHTNING ON DRY FUELS FOR FIRE WEATHER
ZONES 280...281...282...284 AND 285...

* 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...Fire Weather Zones 280...281...282...284 and 285,
this includes the the Klamath National Forest, Marble Mountains, 
Scott Bar Mountains, Shasta National Forest, Modoc National Forest,
Lava Beds National Monument and the communities of Happy Camp, 
Seiad Valley, Etna, Fort Jones, Weed, Mt. Shasta City, Tennant, 
Canby, Alturas, and Willow Ranch..

* Wind: Gusty, quickly shifting outflow wind gusts up to 40 mph 
  range are possible.

* Thunderstorms: Scattered thunderstorms are expected. Isolated
dry thunderstorms are also possible, but most are likely to
produce at least some rainfall.

* Additional Information: Thunderstorms Thursday are expected to
move generally from east to west.

* 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
Jun 22, 3:12 PM PDTExcessive Heat WatchMFRModoc, Siskiyou23 hr
Jun 22, 4:13 PM PDTSpecial Weather StatementMFRJackson47 min

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.