Alert archive / California / Red Flag Warnings in 2017

Red Flag Warning 3, NWS Medford, OR

July 3, 2017Modoc County, Siskiyou County, California; Klamath County, Lake County, Oregon

NWS Medford, OR issued this red flag warning at Jul 3, 2017, 2:26 PM PDT for Modoc County, Siskiyou County, California; Klamath County, Lake County, Oregon. It took effect at Jul 4, 2017, 2:00 PM PDT. It was in force for 6 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 3, 2017, 2:26 PM PDT (21:26 UTC)
In effect from
Jul 4, 2017, 2:00 PM PDT
Expired
Jul 4, 2017, 8:00 PM PDT
In force
6 hr
Issued by
NWS Medford, OR

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

The radar

The Medford radar (KMAX), 115 km from the middle of the area, began a volume at 21:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 9.4 hours before the alert went out and 123 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 2017-07-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 12:00Z on 2017-07-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
1527 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
71 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

351 
WWUS86 KMFR 032126
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
226 PM PDT Mon Jul 3 2017

...Strong gusty winds and low humidities Tuesday and Wednesday...


CAZ281-040930-
/O.NEW.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.NEW.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Central Siskiyou County Including Shasta Valley-
226 PM PDT Mon Jul 3 2017

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 281...
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT WEDNESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 281...

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

* Impacts: Strong, gusty wind with low relative humidity and high
  fire danger will likely contribute to a significant spread of 
  new and existing fires.

* Affected area: 
  In Northern CA...Shasta Valley in Fire Weather Zone 281.

* Counties affected: 
  In Northern CA...Siskiyou.

* Wind: South 10 to 20 mph. Gusts of 25 to 35 mph on Tuesday and
  gusty of 30 to 40 mph on Wednesday. Strongest winds are expected
  in the southern Shasta Valley during the afternoons and early 
  evenings.
 
* Humidity: 10 to 15 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity and warm temperatures will create
extreme fire growth potential.

&&

$$

ORZ624-040930-
/O.NEW.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.NEW.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
226 PM PDT Mon Jul 3 2017

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624...
...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT WEDNESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624...

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

* Impacts: Strong, gusty wind with low relative humidity and high fire
  danger will likely contribute to a significant spread of new and
  existing fires.

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

* Counties affected: 
  In South Central OR...eastern Klamath...western Lake.

* Wind: South 12 to 18 mph. Gusts of 25 to 30 mph on Tuesday and
  gusts of 30 to 35 mph on Wednesday. 

* Humidity: 12 to 15 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity and warm temperatures will create
extreme fire growth potential.

&&

$$

CAZ285-040930-
/O.NEW.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.NEW.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Modoc County Except for the Surprise Valley-
226 PM PDT Mon Jul 3 2017

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT TUESDAY FOR
STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 285...
...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 Tuesday. A Red
Flag Warning has also been issued from 2 PM to 8 PM PDT Wednesday.

* Impacts:  Strong, gusty wind with low relative humidity and high
fire danger will likely contribute to a significant spread of new
and existing fires.

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

* Counties affected: 
  In Northern CA...Modoc.

* Wind: South 12 to 18 mph. Gusts of 25 to 30 mph on Tuesday and
  gusts of 30 to 35 mph on Wednesday. 

* Humidity: 10 to 15 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity and warm temperatures will create
extreme fire growth potential.

&&

$$


Visit us at www.weather.gov/Medford
4 follow-up statements
208 
WWUS86 KMFR 040917
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
217 AM PDT Tue Jul 4 2017

...Strong gusty winds and low humidities this afternoon and
evening then again Wednesday afternoon...

CAZ281-041600-
/O.CON.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Central Siskiyou County Including Shasta Valley-
217 AM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING...
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY...

* Impacts: Strong, gusty wind with low relative humidity and 
  highfire danger will likely contribute to a significant 
  spread of new and existing fires.

* Affected area: In Northern CA...Shasta Valley in Fire Weather 
  Zone 281.

* Counties affected: In Northern CA...Siskiyou. 

* Wind: South 10 to 20 mph. Gusts of 25 to 35 mph this afternoon
  and evening, and gusty of 30 to 40 mph on Wednesday. Strongest 
  winds are expected in the southern Shasta Valley during the 
  afternoons and early evenings.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$

ORZ624-041600-
/O.CON.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
217 AM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING...
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY...

* Impacts: Strong, gusty wind with low relative humidity and 
  highfire danger will likely contribute to a significant 
  spread of new and existing fires. 

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

* Counties affected: In South Central OR...eastern Klamath... 
  western Lake.

* Wind: South 12 to 18 mph. Gusts of 25 to 30 mph this afternoon
  and gusts of 30 to 35 mph on Wednesday. 

* Humidity: 12 to 15 percent.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$

CAZ285-041600-
/O.CON.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Modoc County Except for the Surprise Valley-
217 AM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING...
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY...

* Impacts: Strong, gusty wind with low relative humidity and 
  high fire danger will likely contribute to a significant 
  spreadof new and existing fires.

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

* Counties affected: In Northern CA...Modoc. 

* Wind: South 12 to 18 mph. Gusts of 25 to 30 mph this afternoon
  and gusts of 30 to 35 mph on Wednesday. 

* Humidity: 10 to 15 percent.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$


Visit us at www.weather.gov/medford
369 
WWUS86 KMFR 041336
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
636 AM PDT Tue Jul 4 2017

...Strong gusty winds and low humidities this afternoon and
evening then again Wednesday afternoon...

CAZ281-042300-
/O.CON.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Central Siskiyou County Including Shasta Valley-
636 AM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITY...
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY...

* Impacts: Strong, gusty wind with low relative humidity and 
  highfire danger will likely contribute to a significant 
  spread of new and existing fires.

* Affected area: In Northern CA...Shasta Valley in Fire Weather 
  Zone 281.

* Counties affected: In Northern CA...Siskiyou.

* Wind: South 10 to 20 mph. Gusts of 25 to 35 mph this 
  afternoon and evening, and gusty of 30 to 40 mph on 
  Wednesday. Strongest winds are expected in the southern 
  Shasta Valley during the afternoons and early evenings.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$

ORZ624-042300-
/O.CON.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
636 AM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITY...
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY...

* Impacts: Strong, gusty wind with low relative humidity and 
  highfire danger will likely contribute to a significant 
  spread of new and existing fires.

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

* Counties affected: In South Central OR...eastern Klamath... 
  western Lake.

* Wind: South 12 to 18 mph. Gusts of 25 to 30 mph this 
  afternoon and gusts of 30 to 35 mph on Wednesday. 

* Humidity: 12 to 15 percent.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$

CAZ285-042300-
/O.CON.KMFR.FW.W.0003.170704T2100Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Modoc County Except for the Surprise Valley-
636 AM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING FOR STRONG GUSTY WINDS AND LOW HUMIDITY...
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY FOR STRONG GUSTY WINDS AND LOW HUMIDITY...

* Impacts: Strong, gusty wind with low relative humidity and 
  high fire danger will likely contribute to a significant 
  spreadof new and existing fires.

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

* Counties affected: In Northern CA...Modoc.

* Wind: South 12 to 18 mph. Gusts of 25 to 30 mph this 
  afternoon and gusts of 30 to 35 mph on Wednesday. 

* Humidity: 10 to 15 percent.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$


Visit us at www.weather.gov/medford
462 
WWUS86 KMFR 042127
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
227 PM PDT Tue Jul 4 2017

...Strong gusty winds and low humidities this afternoon and
evening then again Wednesday afternoon...

CAZ284-050930-
/O.EXA.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-
227 PM PDT Tue Jul 4 2017

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

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

* Impacts: Strong, gusty wind with low relative humidity and high
  fire danger will likely contribute to a significant spread of 
  new and existing fires.

* Affected area: 
  In Northern CA...Fire Weather Zone 284.

* Counties affected: 
  In Northern CA...Siskiyou.

* Wind: South 10 to 20 mph with gusts of 30 to 35 mph Wednesday 
  afternoon and early evening.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity and warm temperatures will create
extreme fire growth potential.

&&

$$

CAZ281-050930-
/O.CON.KMFR.FW.W.0003.000000T0000Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Central Siskiyou County Including Shasta Valley-
227 PM PDT Tue Jul 4 2017

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

* Impacts:  Strong, gusty wind with low relative humidity and high
fire danger will likely contribute to a significant spread of new
and existing fires.

* Affected area: In Northern CA...Shasta Valley in Fire Weather 
  Zone 281.

* Counties affected: 
  In Northern CA...Siskiyou.

* Wind: South 10 to 20 mph. Gusts of 25 to 35 mph this afternoon
  and evening, and gusts of 30 to 40 mph on Wednesday. Strongest 
  winds are expected in the southern Shasta Valley during the 
  afternoons and early evenings.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

$$

ORZ624-050930-
/O.CON.KMFR.FW.W.0003.000000T0000Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
227 PM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE 624...
...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY FOR STRONG GUSTY WIND WITH LOW RH FOR FIRE WEATHER ZONE
624...

* Impacts: Strong, gusty wind with low relative humidity and high
  fire danger will likely contribute to a significant spread of 
  new and existing fires.

* Affected area: 
 In South Central OR..Fire Weather Zone 624. Mainly eastern portions
of zone 624 from Hoyt Creek to Sprague River to Lorella and areas 
eastward will be affected today. Most all areas from from Hoyt 
Creek to Klamath Falls and eastward will be affected on Wednesday.

* Counties affected: 
  In South Central OR...Klamath...Lake.

* Wind: South 12 to 18 mph. Gusts of 25 to 30 mph this afternoon
  and evening and gusts of 30 to 35 mph on Wednesday. 

* Humidity: as low as 10 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

$$

CAZ285-050930-
/O.CON.KMFR.FW.W.0003.000000T0000Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Modoc County Except for the Surprise Valley-
227 PM PDT Tue Jul 4 2017

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

* Impacts: Strong, gusty wind with low relative humidity and high
  fire danger will likely contribute to a significant spread of new
  and existing fires.

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

* Counties affected: 
  In Northern CA...Modoc.

* Wind: South to southwest 12 to 18 mph. Gusts of 25 to 30 mph this
  afternoon and evening and gusts of 30 to 35 mph on Wednesday. 

* Humidity: as low as 10 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

$$


Visit us at www.weather.gov/Medford
741 
WWUS86 KMFR 050301
RFWMFR

URGENT - FIRE WEATHER MESSAGE
National Weather Service Medford OR
801 PM PDT Tue Jul 4 2017

...Strong gusty winds and low humidities again Wednesday 
afternoon...

CAZ281-051515-
/O.EXP.KMFR.FW.W.0003.000000T0000Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Central Siskiyou County Including Shasta Valley-
801 PM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY...
...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING...

* Impacts: Strong, gusty wind with low relative humidity and high
  fire danger will likely contribute to a significant spread of
  new and existing fires.

* Affected area: In Northern CA...Shasta Valley in Fire Weather 
  Zone 281.

* Counties affected: In Northern CA...Siskiyou. 

* Wind: South 10 to 20 mph. Gusts of 30 to 40 mph on Wednesday.
  Strongest winds are expected in the southern Shasta Valley
  during the afternoon and early evening.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$

ORZ624-051515-
/O.EXP.KMFR.FW.W.0003.000000T0000Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Klamath Basin and the Fremont-Winema National Forest-
801 PM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY...
...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING...

* Impacts: Strong, gusty winds with low relative humidity and 
  high fire danger will likely contribute to a significant spread 
  of new and existing fires.

* Affected area: In South Central OR..Fire Weather Zone 624. Most
  all areas from from Hoyt Creek to Klamath Falls and eastward
  will be affected on Wednesday.

* Counties affected: In South Central OR...Klamath...Lake. 

* Wind: South 12 to 18 mph. Gusts of 30 to 35 mph on Wednesday. 

* Humidity: as low as 10 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$

CAZ285-051515-
/O.EXP.KMFR.FW.W.0003.000000T0000Z-170705T0300Z/
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Modoc County Except for the Surprise Valley-
801 PM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY...
...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING...

* Impacts: Strong, gusty wind with low relative humidity and high
  fire danger will likely contribute to a significant spread of new
  and existing fires.

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

* Counties affected: In Northern CA...Modoc. 

* Wind: South to southwest 12 to 18 mph. Gusts of 30 to 35 mph on
  Wednesday.

* Humidity: as low as 10 percent.

* View the hazard area in detail at
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$

CAZ284-051515-
/O.CON.KMFR.FW.W.0004.170705T2100Z-170706T0300Z/
Siskiyou County from the Cascade Mountains East and South to Mt
Shasta-
801 PM PDT Tue Jul 4 2017

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
WEDNESDAY...

* Impacts: Strong, gusty wind with low relative humidity and high
  fire danger will likely contribute to a significant spread of 
  new and existing fires.

* Affected area: In Northern CA...Fire Weather Zone 284. 

* Counties affected: In Northern CA...Siskiyou. 

* Wind: South 10 to 20 mph with gusts of 30 to 35 mph Wednesday 
  afternoon and early evening.

* Humidity: 10 to 15 percent.

* View the hazard area in detail at 
  http://weather.gov/medford/hazard

Precautionary/preparedness actions...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity and warm temperatures will
create extreme fire growth potential.

&&

$$


Visit us at www.weather.gov/medford

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 2:26 PM PDTRed Flag WarningMFRModoc, Siskiyou54 hr

Nearby

Red Flag Warnings in California, 2017Red Flag Warnings in Oregon, 2017Every red flag warning in 2017

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.