Alert archive / Wyoming / Red Flag Warnings in 2018

Red Flag Warning 13, NWS Riverton, WY

August 24, 20184 counties in Wyoming

NWS Riverton, WY issued this red flag warning at Aug 24, 2018, 1:16 PM MDT for 4 counties in Wyoming. It took effect at Aug 25, 2018, 12:00 PM MDT. It was in force for 33 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 24, 2018, 1:16 PM MDT (19:16 UTC)
In effect from
Aug 25, 2018, 12:00 PM MDT
Expired
Aug 26, 2018, 9:00 PM MDT
In force
33 hr
Issued by
NWS Riverton, WY

Counties Lincoln County, WY, Sublette County, WY, Sweetwater County, WY, Uinta County, WY

The radar

The Riverton/Lander radar (KRIW), 172 km from the middle of the area, began a volume at 19:18 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

Riverton, WY (KRIW), launched 12:00Z, 7.3 hours before the alert went out and 177 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, Riverton, WY at 12:00Z on 2018-08-24Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2018-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
2956 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

617 
WWUS85 KRIW 241916
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
116 PM MDT Fri Aug 24 2018

WYZ280-250300-
/O.NEW.KRIW.FW.W.0012.180824T1916Z-180825T0300Z/
Natrona County/Casper BLM-
116 PM MDT Fri Aug 24 2018

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect until 9 PM MDT this evening.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 280.

* COUNTIES AFFECTED: 
  In Central WY...Natrona.

* WIND: West 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ289-250730-
/O.NEW.KRIW.FW.W.0012.180824T1916Z-180826T0300Z/
Granite/Green/Ferris/Rattlesnake Mountains-
116 PM MDT Fri Aug 24 2018

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT SATURDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect until 9 PM MDT Saturday.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.

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

* HUMIDITY: As low as 13 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ279-250730-
/O.NEW.KRIW.FW.W.0013.180825T1800Z-180826T0300Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
116 PM MDT Fri Aug 24 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Saturday.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.

* WIND: West 10 to 20 mph with gusts up to 25 mph.

* HUMIDITY: As low as 13 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ278-250730-
/O.NEW.KRIW.FW.W.0013.180825T1800Z-180826T0300Z/
Upper Green River Basin/Rock Springs BLM-
116 PM MDT Fri Aug 24 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Saturday.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 278.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.
  In West Central WY...Lincoln...Sublette.

* WIND: West 10 to 20 mph with gusts up to 25 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ277-250730-
/O.NEW.KRIW.FW.W.0013.180825T1800Z-180826T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
116 PM MDT Fri Aug 24 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SATURDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Saturday.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 277.

* COUNTIES AFFECTED: 
  In Southwest WY...Uinta.
  In West Central WY...Lincoln.

* WIND: West 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 13 percent.

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 can
contribute to extreme fire behavior.

&&

$$

http://weather.gov/riverton
7 follow-up statements
011 
WWUS85 KRIW 250251
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
851 PM MDT Fri Aug 24 2018

WYZ280-252200-
/O.EXP.KRIW.FW.W.0012.000000T0000Z-180825T0300Z/
/O.NEW.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
Natrona County/Casper BLM-
851 PM MDT Fri Aug 24 2018


...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...


The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Sunday afternoon through Sunday
evening.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 280.

* COUNTIES AFFECTED: 
  In Central WY...Natrona.

* WIND: Southwest 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 9 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.

&&

$$

WYZ289-252200-
/O.EXT.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Granite/Green/Ferris/Rattlesnake Mountains-
851 PM MDT Fri Aug 24 2018

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.

* WIND: Southwest 20 to 30 mph with gusts up to 50 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ279-252200-
/O.EXT.KRIW.FW.W.0013.180825T1800Z-180827T0300Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
851 PM MDT Fri Aug 24 2018

...RED FLAG WARNING NOW IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.

* WIND: Southwest 20 to 30 mph with gusts up to 40 mph.

* HUMIDITY: As low as 13 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ278-252200-
/O.EXT.KRIW.FW.W.0013.180825T1800Z-180827T0300Z/
Upper Green River Basin/Rock Springs BLM-
851 PM MDT Fri Aug 24 2018

...RED FLAG WARNING NOW IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 278.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.
  In West Central WY...Lincoln...Sublette.

* WIND: West 20 to 30 mph with gusts up to 40 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ277-252200-
/O.EXT.KRIW.FW.W.0013.180825T1800Z-180827T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
851 PM MDT Fri Aug 24 2018

...RED FLAG WARNING NOW IN EFFECT FROM NOON SATURDAY TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 277.

* COUNTIES AFFECTED: 
  In Southwest WY...Uinta.
  In West Central WY...Lincoln.

* WIND: Southwest 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ414-252200-
/O.NEW.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
851 PM MDT Fri Aug 24 2018

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...

The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Sunday afternoon through Sunday
evening.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 414.

* COUNTIES AFFECTED: 
  In West Central WY...Lincoln...Sublette.

* WIND: West 20 to 30 mph with gusts up to 50 mph.

* HUMIDITY: As low as 15 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.

&&

$$

WYZ283-300-252200-
/O.NEW.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
Upper Wind River Basin/Wind River Basin-Casper Mountain-
851 PM MDT Fri Aug 24 2018

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...

The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Sunday afternoon through Sunday
evening.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 283 and 300.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.

* WIND: West 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 10 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.

&&

$$

http://weather.gov/riverton
900 
WWUS85 KRIW 250739
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
139 AM MDT Sat Aug 25 2018

WYZ289-252200-
/O.CON.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Granite/Green/Ferris/Rattlesnake Mountains-
139 AM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.

* WIND: Southwest 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ279-252200-
/O.CON.KRIW.FW.W.0013.180825T1800Z-180827T0300Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
139 AM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.

* WIND: Southwest 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ278-252200-
/O.CON.KRIW.FW.W.0013.180825T1800Z-180827T0300Z/
Upper Green River Basin/Rock Springs BLM-
139 AM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 278.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ277-252200-
/O.CON.KRIW.FW.W.0013.180825T1800Z-180827T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
139 AM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 277.

* COUNTIES AFFECTED: 
  In Southwest WY...Uinta.
  In West Central WY...Lincoln.

* WIND: Southwest 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 11 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ281-252200-
/O.EXA.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
Johnson County/Casper BLM-
139 AM MDT Sat Aug 25 2018

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
SUNDAY EVENING...

The National Weather Service in Riverton has issued a Fire Weather
Watch, which is in effect from Sunday afternoon through Sunday
evening.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In North Central WY...Fire Weather Zone 281.

* COUNTIES AFFECTED: 
  In North Central WY...Johnson.

* WIND: Northwest 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 13 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.

&&

$$

WYZ414-252200-
/O.CON.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
139 AM MDT Sat Aug 25 2018

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH SUNDAY EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create
  erratic fire behavior and new fire starts, mainly in elevations
  below 7000 feet.

* AFFECTED AREA: 
 In West Central WY...Fire Weather Zone 414.

* COUNTIES AFFECTED: 
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 35 mph.

* HUMIDITY: As low as 13 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.

&&

$$

WYZ280-283-300-252200-
/O.CON.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
Casper Mountain-
139 AM MDT Sat Aug 25 2018

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH SUNDAY EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 280...283 and 300.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.

* WIND: West 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 10 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are forecast to occur. Listen for later forecasts and possible Red
Flag Warnings.

&&

$$

http://weather.gov/riverton
324 
WWUS85 KRIW 251922
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
122 PM MDT Sat Aug 25 2018

WYZ414-261000-
/O.UPG.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
/O.EXB.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
122 PM MDT Sat Aug 25 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Sunday. the Fire
Weather Watch is no longer in effect.

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift 
  with a Cold Front will create erratic fire behavior and new 
  fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 414.

* COUNTIES AFFECTED: 
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 35 mph.

* HUMIDITY: As low as 13 percent.

* COLD FRONT: Passage from 5 pm to 7 pm mdt winds shifting to the
  northwest. 

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 can
contribute to extreme fire behavior.

&&

$$

WYZ280-283-300-261000-
/O.UPG.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
/O.EXB.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
Casper Mountain-
122 PM MDT Sat Aug 25 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Sunday. the Fire
Weather Watch is no longer in effect.

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift 
  with a Cold Front will create erratic fire behavior and new 
  fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 280...283 and 300.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.

* WIND: West 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 10 percent.

* COLD FRONT: Passage from 6 pm to 8 pm mdt winds shifting to the 
  northwest. 

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 can
contribute to extreme fire behavior.

&&

$$

WYZ281-261000-
/O.UPG.KRIW.FW.A.0005.180826T1800Z-180827T0300Z/
/O.EXB.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Johnson County/Casper BLM-
122 PM MDT Sat Aug 25 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT SUNDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 9 PM MDT Sunday. the Fire
Weather Watch is no longer in effect.

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift 
  with a Cold Front will create erratic fire behavior and new 
  fire starts. 

* AFFECTED AREA: 
  In North Central WY...Fire Weather Zone 281.

* COUNTIES AFFECTED: 
  In North Central WY...Johnson.

* WIND: Northwest 10 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 13 percent.

* COLD FRONT: Passage from 5 pm to 6 pm mdt winds shifting to the
  north. 

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 can
contribute to extreme fire behavior.

&&

$$

WYZ289-261000-
/O.CON.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Granite/Green/Ferris/Rattlesnake Mountains-
122 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift 
  with a Cold Front will create erratic fire behavior and new 
  fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.

* WIND: Southwest 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ279-261000-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
122 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift 
  with a Cold Front will create erratic fire behavior and new 
  fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.

* WIND: Southwest 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ278-261000-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Upper Green River Basin/Rock Springs BLM-
122 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift 
  with a Cold Front will create erratic fire behavior and new 
  fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 278.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ277-261000-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
122 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift 
  with a Cold Front will create erratic fire behavior and new 
  fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 277.

* COUNTIES AFFECTED: 
  In Southwest WY...Uinta.
  In West Central WY...Lincoln.

* WIND: Southwest 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 11 percent.

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 can
contribute to extreme fire behavior.

&&

$$

http://weather.gov/riverton
570 
WWUS85 KRIW 260315
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
915 PM MDT Sat Aug 25 2018

WYZ289-261300-
/O.CON.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Granite/Green/Ferris/Rattlesnake Mountains-
915 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds on Sunday 
  afternoon and evening will create extreme fire behavior. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.

* WIND: Southwest 25 to 35 mph with gusts up to 45 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ279-261300-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
915 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds on Sunday 
  afternoon and evening will create extreme fire behavior. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.

* WIND: West to southwest 25 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ278-261300-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Upper Green River Basin/Rock Springs BLM-
915 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds on Sunday
  afternoon and evening will create extreme fire behavior. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 278.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ277-261300-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
915 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds on Sunday
  afternoon and evening will create extreme fire behavior. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 277.

* COUNTIES AFFECTED: 
  In Southwest WY...Uinta.
  In West Central WY...Lincoln.

* WIND: West to southwest 25 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 11 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ414-261300-
/O.CON.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
915 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift
  with a Cold Front will create erratic fire behavior. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 414.

* COUNTIES AFFECTED: 
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 45 mph.

* HUMIDITY: As low as 13 percent.
1
* COLD FRONT: Early Sunday evening with winds shifting to the 
  northwest.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ280-283-300-261300-
/O.CON.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
Casper Mountain-
915 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds on Sunday
  afternoon and evening will create extreme fire behavior. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 280...283 and 300.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.

* WIND: West to southwest 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 10 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ281-261300-
/O.CON.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Johnson County/Casper BLM-
915 PM MDT Sat Aug 25 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT
SUNDAY...

* IMPACTS: Low Humidities...Strong Gusty Winds...and Wind Shift
  with a Cold Front will create erratic fire behavior. 

* AFFECTED AREA: 
  In North Central WY...Fire Weather Zone 281.

* COUNTIES AFFECTED: 
  In North Central WY...Johnson.

* WIND: West 10 to 20 mph with gusts up to 30 mph shifting to the
  northwest and north in wake of a cold front.

* HUMIDITY: As low as 13 percent.

* COLD FRONT: Passage late Sunday afternoon into early Sunday
  evening with winds shifting to the northwest and north.

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 can
contribute to extreme fire behavior.

&&

$$

http://weather.gov/riverton
687 
WWUS85 KRIW 260818
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
218 AM MDT Sun Aug 26 2018

WYZ288-262200-
/O.EXA.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
East Wind River Mountains/South Shoshone NF-
218 AM MDT Sun Aug 26 2018

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect until 9 PM MDT this evening.

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 288.

* COUNTIES AFFECTED: 
  In Central WY...Fremont.
  In West Central WY...Sublette.

* WIND: West 25 to 35 mph with gusts up to 50 mph.

* HUMIDITY: As low as 14 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ289-262200-
/O.CON.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Granite/Green/Ferris/Rattlesnake Mountains-
218 AM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zone 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.

* WIND: Southwest 20 to 30 mph with gusts up to 50 mph.

* HUMIDITY: As low as 11 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ279-262200-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
218 AM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.

* WIND: Southwest 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ278-262200-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Upper Green River Basin/Rock Springs BLM-
218 AM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 278.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.
  In West Central WY...Lincoln...Sublette.

* WIND: West 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 11 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ277-262200-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
218 AM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 277.

* COUNTIES AFFECTED: 
  In Southwest WY...Uinta.
  In West Central WY...Lincoln.

* WIND: West 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 10 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ414-262200-
/O.CON.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
218 AM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 414.

* COUNTIES AFFECTED: 
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 45 mph.

* HUMIDITY: As low as 18 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ280-283-300-262200-
/O.CON.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
Casper Mountain-
218 AM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 280...283 and 300.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.

* WIND: West 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 10 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ281-262200-
/O.CON.KRIW.FW.W.0012.180826T1800Z-180827T0300Z/
Johnson County/Casper BLM-
218 AM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT
THIS EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In North Central WY...Fire Weather Zone 281.

* COUNTIES AFFECTED: 
  In North Central WY...Johnson.

* WIND: West 10 to 20 mph with gusts up to 35 mph.

* HUMIDITY: As low as 14 percent.

* COLD FRONT: Passage late Sunday afternoon into early Sunday 
  evening with winds shifting to the northwest and north.

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 can
contribute to extreme fire behavior.

&&

$$

http://weather.gov/riverton
734 
WWUS85 KRIW 261837
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
1237 PM MDT Sun Aug 26 2018

WYZ288-289-270300-
/O.CON.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
East Wind River Mountains/South Shoshone NF-
Granite/Green/Ferris/Rattlesnake Mountains-
1237 PM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 288 and 289.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.
  In Southwest WY...Sweetwater.
  In West Central WY...Sublette.

* WIND: West 25 to 35 mph with gusts up to 50 mph.

* HUMIDITY: As low as 11 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ279-270300-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
1237 PM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 279.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.

* WIND: West 20 to 30 mph with gusts up to 40 mph.

* HUMIDITY: As low as 12 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ278-270300-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Upper Green River Basin/Rock Springs BLM-
1237 PM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 278.

* COUNTIES AFFECTED: 
  In Southwest WY...Sweetwater.
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 35 mph.

* HUMIDITY: As low as 13 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ277-270300-
/O.CON.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
1237 PM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Southwest WY...Fire Weather Zone 277.

* COUNTIES AFFECTED: 
  In Southwest WY...Uinta.
  In West Central WY...Lincoln.

* WIND: West 20 to 30 mph with gusts up to 40 mph.

* HUMIDITY: As low as 11 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ414-270300-
/O.CON.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
1237 PM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In West Central WY...Fire Weather Zone 414.

* COUNTIES AFFECTED: 
  In West Central WY...Lincoln...Sublette.

* WIND: West 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 20 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ280-283-300-270300-
/O.CON.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
Casper Mountain-
1237 PM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In Central WY...Fire Weather Zones 280...283 and 300.

* COUNTIES AFFECTED: 
  In Central WY...Fremont...Natrona.

* WIND: West 15 to 25 mph with gusts up to 40 mph.

* HUMIDITY: As low as 11 percent.

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 can
contribute to extreme fire behavior.

&&

$$

WYZ281-270300-
/O.CON.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Johnson County/Casper BLM-
1237 PM MDT Sun Aug 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* IMPACTS: Low Humidities and Strong Gusty Winds will create 
  erratic fire behavior and new fire starts. 

* AFFECTED AREA: 
  In North Central WY...Fire Weather Zone 281.

* COUNTIES AFFECTED: 
  In North Central WY...Johnson.

* WIND: West 15 to 25 mph with gusts up to 35 mph.

* HUMIDITY: As low as 15 percent.

* COLD FRONT: Passage late Sunday afternoon into early Sunday 
  evening with winds shifting to the northwest and north.

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 can
contribute to extreme fire behavior.

&&

$$

http://weather.gov/riverton
073 
WWUS85 KRIW 270234
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
834 PM MDT Sun Aug 26 2018

WYZ288-289-270345-
/O.EXP.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
East Wind River Mountains/South Shoshone NF-
Granite/Green/Ferris/Rattlesnake Mountains-
834 PM MDT Sun Aug 26 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

The red flag warning will be allowed to expire at 9 PM as
widespread extreme fire weather conditions are no longer expected. 

$$

WYZ279-270345-
/O.EXP.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
834 PM MDT Sun Aug 26 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

The red flag warning will be allowed to expire at 9 PM as
widespread extreme fire weather conditions are no longer expected. 

$$

WYZ278-270345-
/O.EXP.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Upper Green River Basin/Rock Springs BLM-
834 PM MDT Sun Aug 26 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

The red flag warning will be allowed to expire at 9 PM as
widespread extreme fire weather conditions are no longer expected. 

$$

WYZ277-270345-
/O.EXP.KRIW.FW.W.0013.000000T0000Z-180827T0300Z/
Lincoln and Uinta Counties/Lower Elevations-
834 PM MDT Sun Aug 26 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

The red flag warning will be allowed to expire at 9 PM as
widespread extreme fire weather conditions are no longer expected. 

$$

WYZ414-270345-
/O.EXP.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
834 PM MDT Sun Aug 26 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

The red flag warning will be allowed to expire at 9 PM as
widespread extreme fire weather conditions are no longer expected. 

$$

WYZ280-283-300-270345-
/O.EXP.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Natrona County/Casper BLM-Upper Wind River Basin/Wind River Basin-
Casper Mountain-
834 PM MDT Sun Aug 26 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

The red flag warning will be allowed to expire at 9 PM as
widespread extreme fire weather conditions are no longer expected. 

$$

WYZ281-270345-
/O.EXP.KRIW.FW.W.0012.000000T0000Z-180827T0300Z/
Johnson County/Casper BLM-
834 PM MDT Sun Aug 26 2018

...RED FLAG WARNING WILL EXPIRE AT 9 PM MDT THIS EVENING...

The red flag warning will be allowed to expire at 9 PM as
widespread extreme fire weather conditions are no longer expected. 

$$

http://weather.gov/riverton

The office that day

Everything else NWS Riverton, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 24, 1:08 PM MDTSpecial Weather StatementRIWSweetwater37 min
Aug 24, 1:16 PM MDTRed Flag WarningRIWFremont, Johnson, Lincoln, Natrona, Sublette, Sweetwater56 hr
Aug 24, 1:39 PM MDTSpecial Weather StatementRIWSweetwater36 min
Aug 24, 2:13 PM MDTSpecial Weather StatementRIW32 min
Aug 24, 2:49 PM MDTSpecial Weather StatementRIW26 min
Aug 24, 2:56 PM MDTSpecial Weather StatementRIWSweetwater34 min
Aug 24, 3:24 PM MDTSpecial Weather StatementRIW36 min
Aug 24, 3:36 PM MDTSpecial Weather StatementRIW24 min
Aug 24, 3:38 PM MDTSpecial Weather StatementRIWSublette37 min
Aug 24, 4:01 PM MDTSpecial Weather StatementRIWFremont29 min
Aug 24, 4:36 PM MDTSpecial Weather StatementRIWFremont24 min
Aug 24, 4:43 PM MDTSpecial Weather StatementRIW32 min
Aug 24, 4:50 PM MDTSpecial Weather StatementRIWFremont40 min
Aug 24, 5:03 PM MDTSpecial Weather StatementRIW27 min
Aug 24, 5:37 PM MDTSpecial Weather StatementRIW23 min
Aug 24, 5:51 PM MDTSpecial Weather StatementRIW39 min
Aug 24, 5:52 PM MDTSpecial Weather StatementRIW38 min

Nearby

Red Flag Warnings in Wyoming, 2018Every red flag warning in 2018

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.