Alert archive / Wyoming / Red Flag Warnings in 2018

Red Flag Warning 21, NWS Riverton, WY

September 25, 20187 counties in Wyoming

NWS Riverton, WY issued this red flag warning at Sep 25, 2018, 10:10 PM MDT for 7 counties in Wyoming. It took effect at Sep 26, 2018, 12:00 PM MDT. It was in force for 4 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 25, 2018, 10:10 PM MDT (04:10 UTC)
In effect from
Sep 26, 2018, 12:00 PM MDT
Expired
Sep 30, 2018, 7:00 PM MDT
In force
4 days
Issued by
NWS Riverton, WY

Counties Fremont County, WY, Lincoln County, WY, Natrona County, WY, Sublette County, WY, Sweetwater County, WY, Teton County, WY, Uinta County, WY

The radar

The Riverton/Lander radar (KRIW), 96 km from the middle of the area, began a volume at 04:14 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 00:00Z, 4.2 hours before the alert went out and 101 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 00:00Z on 2018-09-26Temperature 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 00:00Z on 2018-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.19395878Sfc1 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
2664 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

188 
WWUS85 KRIW 260410
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
1010 PM MDT Tue Sep 25 2018

WYZ140-286-415-260515-
/O.CAN.KRIW.FW.A.0013.180926T1800Z-180927T0200Z/
Yellowstone National Park-Absaroka Mountains/North Shoshone NF-
North Zone Bridger Teton NF and Grand Teton NP-
1010 PM MDT Tue Sep 25 2018

...FIRE WEATHER WATCH IS CANCELLED...

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

Although winds will increase over the area this afternoon, the RH 
will remain above critical levels. Therefore the fire weather watch
has been cancelled.

$$

WYZ416-260515-
/O.CAN.KRIW.FW.A.0013.180926T1800Z-180928T0200Z/
West Wind River Mountains/East Zone Bridger Teton NF-
1010 PM MDT Tue Sep 25 2018

...FIRE WEATHER WATCH IS CANCELLED...

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

Although winds will increase over the area this afternoon, the RH 
will remain above critical levels. Therefore the fire weather watch
has been cancelled.

$$

WYZ277>279-414-262200-
/O.UPG.KRIW.FW.A.0013.180926T1800Z-180928T0200Z/
/O.NEW.KRIW.FW.W.0021.180926T1800Z-180928T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
1010 PM MDT Tue Sep 25 2018

...RED FLAG WARNING IN EFFECT FROM NOON WEDNESDAY TO 8 PM MDT
THURSDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon Wednesday to 8 PM MDT
Thursday. the Fire Weather Watch is no longer in effect.

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

* AFFECTED AREA: 
  In Southwest WY Fire Zones...277...279.
  In West Central WY Fire Zones...278...414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph with
  some gusts to 35 mph in zone 279.

* HUMIDITY: As low as 9 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.UPG.KRIW.FW.A.0013.180926T1800Z-180928T0200Z/
/O.NEW.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
Granite/Green/Ferris/Rattlesnake Mountains-
1010 PM MDT Tue Sep 25 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 8 PM MDT Wednesday. the
Fire Weather Watch is no longer in effect.

* 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: West 15 to 20 mph with gusts around 30 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.

&&

$$

WYZ280-300-262200-
/O.UPG.KRIW.FW.A.0013.180926T1800Z-180927T0200Z/
/O.NEW.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
Natrona County/Casper BLM-Casper Mountain-
1010 PM MDT Tue Sep 25 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 8 PM MDT Wednesday. the
Fire Weather Watch is no longer in effect.

* 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 and 300.

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

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

&&

$$

WYZ288-262200-
/O.UPG.KRIW.FW.A.0013.180926T1800Z-180928T0200Z/
/O.NEW.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
East Wind River Mountains/South Shoshone NF-
1010 PM MDT Tue Sep 25 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT WEDNESDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 8 PM MDT Wednesday. the
Fire Weather Watch is no longer in effect.

* 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 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
15 follow-up statements
932 
WWUS85 KRIW 260722
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
122 AM MDT Wed Sep 26 2018

WYZ277>279-414-262200-
/O.CON.KRIW.FW.W.0021.180926T1800Z-180928T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
122 AM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MDT
THURSDAY...

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

* AFFECTED AREA: 
  In Southwest WY Fire Zones...277...279.
  In West Central WY Fire Zones...278...414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph with some gusts 
  to 35 mph in zone 279.

* HUMIDITY: As low as 9 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.0021.180926T1800Z-180927T0200Z/
Granite/Green/Ferris/Rattlesnake Mountains-
122 AM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 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: West 15 to 20 mph with gusts around 30 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.

&&

$$

WYZ280-300-262200-
/O.CON.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
Natrona County/Casper BLM-Casper Mountain-
122 AM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 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 and 300.

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

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

&&

$$

WYZ288-262200-
/O.CON.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
East Wind River Mountains/South Shoshone NF-
122 AM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 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 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
938 
WWUS85 KRIW 261537
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
937 AM MDT Wed Sep 26 2018

WYZ416-270200-
/O.EXA.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
West Wind River Mountains/East Zone Bridger Teton NF-
937 AM MDT Wed Sep 26 2018

...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect until 8 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 416.

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

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

* HUMIDITY: As low as 15 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>279-414-270200-
/O.CON.KRIW.FW.W.0021.180926T1800Z-180928T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
937 AM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THURSDAY...

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

* AFFECTED AREA: 
  In Southwest WY Fire Zones...277...279.
  In West Central WY Fire Zones...278...414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph with some gusts
  up to 35 mph in zone 279.

* HUMIDITY: As low as 9 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.

&&

$$

WYZ289-270200-
/O.CON.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
Granite/Green/Ferris/Rattlesnake Mountains-
937 AM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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: West 15 to 20 mph with gusts up to 35 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.

&&

$$

WYZ280-300-270200-
/O.CON.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
Natrona County/Casper BLM-Casper Mountain-
937 AM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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 and 300.

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

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

&&

$$

WYZ288-270200-
/O.CON.KRIW.FW.W.0021.180926T1800Z-180927T0200Z/
East Wind River Mountains/South Shoshone NF-
937 AM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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 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
002 
WWUS85 KRIW 262003
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
203 PM MDT Wed Sep 26 2018

WYZ277>279-414-270815-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180928T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
203 PM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THURSDAY...

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

* AFFECTED AREA: 
  In Southwest WY Fire Zones...277...279.
  In West Central WY Fire Zones...278...414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph with some gusts
  up to 35 mph in zone 279.

* 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.

&&

$$

WYZ289-270200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180927T0200Z/
Granite/Green/Ferris/Rattlesnake Mountains-
203 PM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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: West 15 to 20 mph with gusts up to 35 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.

&&

$$

WYZ280-300-270200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180927T0200Z/
Natrona County/Casper BLM-Casper Mountain-
203 PM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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 and 300.

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

* WIND: Northwest 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.

&&

$$

WYZ288-416-270200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180927T0200Z/
East Wind River Mountains/South Shoshone NF-
West Wind River Mountains/East Zone Bridger Teton NF-
203 PM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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 Zone....288.
  In West Central WY Fire Zone....416.

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

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

* HUMIDITY: As low as 15 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
568 
WWUS85 KRIW 270206
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
806 PM MDT Wed Sep 26 2018

WYZ280-288-289-300-416-270315-
/O.EXP.KRIW.FW.W.0021.000000T0000Z-180927T0200Z/
Natrona County/Casper BLM-
East Wind River Mountains/South Shoshone NF-
Granite/Green/Ferris/Rattlesnake Mountains-Casper Mountain-
West Wind River Mountains/East Zone Bridger Teton NF-
806 PM MDT Wed Sep 26 2018

...RED FLAG WARNING HAS EXPIRED...

Winds have diminished and Relative Humidity has recovered this
evening; therefore, the red flag warning has been allowed to
expire.  

$$

WYZ277>279-414-271400-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180928T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
806 PM MDT Wed Sep 26 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THURSDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create
  erratic fire behavior with any new or existing fires again on
  Thursday afternoon and early evening. 

* AFFECTED AREA: 
  In Southwest WY Fire Zones...277...279.
  In West Central WY Fire Zones...278...414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph.

* HUMIDITY: 10 to 15 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
655 
WWUS85 KRIW 270729
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
129 AM MDT Thu Sep 27 2018

WYZ277>279-414-272200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180928T0200Z/
Lincoln and Uinta Counties/Lower Elevations-
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
129 AM MDT Thu Sep 27 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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 Zones...277...279.
  In West Central WY Fire Zones...278...414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph
  except only 25 mph in zone 278.

* HUMIDITY: 10 in zones 277 and 279. 15 percent in zones 278 and
  414.

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
134 
WWUS85 KRIW 271752
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
1152 AM MDT Thu Sep 27 2018

WYZ277-414-280215-
/O.EXT.KRIW.FW.W.0021.000000T0000Z-180929T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
1152 AM MDT Thu Sep 27 2018

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM MDT FRIDAY...

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

* AFFECTED AREA: 
  In Southwest WY Fire Zone....277.
  In West Central WY Fire Zone....414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 11 percent in zone 277, as low as 15 percent
  in zone 414.

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.

&&

$$

WYZ278-279-280200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180928T0200Z/
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
1152 AM MDT Thu Sep 27 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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 Zone....279.
  In West Central WY Fire Zone....278.

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

* WIND: West 15 to 20 mph with gusts up to 30 to 35 mph.

* HUMIDITY: As low as 12 to 15 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
575 
WWUS85 KRIW 271958
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
158 PM MDT Thu Sep 27 2018

WYZ277-414-280215-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180929T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
158 PM MDT Thu Sep 27 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT FRIDAY...

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

* AFFECTED AREA: 
  In Southwest WY Fire Zone....277.
  In West Central WY Fire Zone....414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 12 percent in zone 277; as low as 15 percent
  in zone 414.

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.

&&

$$

WYZ278-279-280200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180928T0200Z/
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
158 PM MDT Thu Sep 27 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 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 Zone....279.
  In West Central WY Fire Zone....278.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 12 percent in zone 279; as low as 15 percent
  in zone 278.

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
623 
WWUS85 KRIW 280208
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
808 PM MDT Thu Sep 27 2018

WYZ278-279-280315-
/O.EXP.KRIW.FW.W.0021.000000T0000Z-180928T0200Z/
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
808 PM MDT Thu Sep 27 2018

...RED FLAG WARNING HAS EXPIRED...

Winds have diminished and relative humidity has recovered across
the area this evening; therefore, the Red Flag Warning has been
allowed to expire.

$$

WYZ277-414-281415-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180929T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
808 PM MDT Thu Sep 27 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT FRIDAY...

* IMPACTS: Low Humidities and Strong Gusty Winds will create
  erratic fire behavior with any new or existing fires. 

* AFFECTED AREA: 
  In Southwest WY Fire Zone....277.
  In West Central WY Fire Zone....414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 12 percent in zone 277; as low as 15 
  percent in zone 414.

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
576 
WWUS85 KRIW 280745
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
145 AM MDT Fri Sep 28 2018

WYZ277-414-282200-
/O.EXT.KRIW.FW.W.0021.000000T0000Z-180930T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
145 AM MDT Fri Sep 28 2018

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 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 Zone....277.
  In West Central WY Fire Zone....414.

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

* WIND: West 15 to 20 mph with gusts up to 30 mph.

* HUMIDITY: As low as 12 percent in zone 277; as low as 15 
  percent in zone 414.

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.

&&

$$

WYZ278-288-416-282200-
/O.NEW.KRIW.FW.A.0014.180929T1800Z-180930T0100Z/
Upper Green River Basin/Rock Springs BLM-
East Wind River Mountains/South Shoshone NF-
West Wind River Mountains/East Zone Bridger Teton NF-
145 AM MDT Fri Sep 28 2018

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

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

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

* AFFECTED AREA: 
  In Central WY Fire Zone....288.
  In West Central WY Fire Zones...278...416.

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

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

* HUMIDITY: 12 to 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.

&&

$$

WYZ279-289-282200-
/O.NEW.KRIW.FW.A.0014.180929T1800Z-180930T0100Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Granite/Green/Ferris/Rattlesnake Mountains-
145 AM MDT Fri Sep 28 2018

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

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

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

* AFFECTED AREA: 
  In Central WY Fire Zone....289.
  In Southwest WY Fire Zone....279.

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

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

* HUMIDITY: 10 to 12 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
864 
WWUS85 KRIW 282003
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
203 PM MDT Fri Sep 28 2018

WYZ288-416-291000-
/O.UPG.KRIW.FW.A.0014.180929T1800Z-180930T0100Z/
/O.EXB.KRIW.FW.W.0021.180929T1800Z-180930T0100Z/
East Wind River Mountains/South Shoshone NF-
West Wind River Mountains/East Zone Bridger Teton NF-
203 PM MDT Fri Sep 28 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT SATURDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 7 PM MDT Saturday. the
Fire Weather Watch is no longer in effect.

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

* AFFECTED AREA: 
  In Central WY Fire Zone....288.
  In West Central WY Fire Zone....416.

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

* WIND: West 10 to 20 mph with gusts up to 30 to 35 mph.

* HUMIDITY: As low as 12 to 16 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.

&&

$$

WYZ278-279-289-291000-
/O.UPG.KRIW.FW.A.0014.180929T1800Z-180930T0100Z/
/O.EXB.KRIW.FW.W.0021.180929T1800Z-180930T0100Z/
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Granite/Green/Ferris/Rattlesnake Mountains-
203 PM MDT Fri Sep 28 2018

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT SATURDAY...

The National Weather Service in Riverton has issued a Red Flag
Warning, which is in effect from noon to 7 PM MDT Saturday. the
Fire Weather Watch is no longer in effect.

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

* AFFECTED AREA: 
  In Central WY Fire Zone....289.
  In Southwest WY Fire Zone....279.
  In West Central WY Fire Zone....278.

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

* WIND: West 15 to 20 mph with gusts up to 35 mph.

* HUMIDITY: As low as 10 to 15 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.

&&

$$

WYZ277-291000-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180930T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
203 PM MDT Fri Sep 28 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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: Southwest 15 to 20 mph with gusts up to 35 mph.

* HUMIDITY: As low as 10 to 15 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.

&&

$$

WYZ414-291000-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180930T0100Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
203 PM MDT Fri Sep 28 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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 414.

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

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

* HUMIDITY: As low as 13 to 16 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
777 
WWUS85 KRIW 290820
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
220 AM MDT Sat Sep 29 2018

WYZ277-292200-
/O.EXT.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
220 AM MDT Sat Sep 29 2018

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 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 20 mph with gusts up to 30 mph.
  today and 20 to 25 mph with gusts to 35 mph Sunday.

* HUMIDITY: As low as 10 to 12 percent today and 
  13 to 15 percent Sunday.

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.

&&

$$

WYZ279-292200-
/O.EXT.KRIW.FW.W.0021.180929T1800Z-181001T0100Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
220 AM MDT Sat Sep 29 2018

...RED FLAG WARNING NOW IN EFFECT FROM NOON TODAY TO 7 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 20 mph with gusts up to 30 mph.
  today and 20 to 25 mph with gusts to 35 mph Sunday.

* HUMIDITY: s low as 10 to 12 percent today and 
  13 to 15 percent Sunday.

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.

&&

$$

WYZ414-292200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-180930T0100Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
220 AM MDT Sat Sep 29 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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: Southwest 10 to 20 mph with gusts up to 35 mph.

* HUMIDITY: As low as 13 to 16 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.

&&

$$

WYZ288-416-292200-
/O.CON.KRIW.FW.W.0021.180929T1800Z-180930T0100Z/
East Wind River Mountains/South Shoshone NF-
West Wind River Mountains/East Zone Bridger Teton NF-
220 AM MDT Sat Sep 29 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 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 Zone....288.
  In West Central WY Fire Zone....416.

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

* WIND: West 10 to 20 mph with gusts up to 30 to 35 mph.

* HUMIDITY: As low as 12 to 16 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.

&&

$$

WYZ278-289-292200-
/O.CON.KRIW.FW.W.0021.180929T1800Z-180930T0100Z/
Upper Green River Basin/Rock Springs BLM-
Granite/Green/Ferris/Rattlesnake Mountains-
220 AM MDT Sat Sep 29 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 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 Zone....289.
  In West Central WY Fire Zone....278.

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

* WIND: Southwest 15 to 20 mph with gusts up to 30 mph.
  today and 20 to 25 mph with gusts to 35 mph Sunday.

* HUMIDITY: As low as 10 to 12 percent today and 
  13 to 15 percent Sunday.

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
204 
WWUS85 KRIW 291925
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
125 PM MDT Sat Sep 29 2018

WYZ414-301000-
/O.EXT.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
125 PM MDT Sat Sep 29 2018

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 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 414.

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

* WIND: Southwest 20 to 30 mph with gusts up to 40 mph. Locally
        stronger gusts over the ridges, especially Sunday.

* HUMIDITY: As low as 13 percent today and 17 to 20 percent Sunday.

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.

&&

$$

WYZ288-416-301000-
/O.EXT.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
East Wind River Mountains/South Shoshone NF-
West Wind River Mountains/East Zone Bridger Teton NF-
125 PM MDT Sat Sep 29 2018

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 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 Zone....288.
  In West Central WY Fire Zone....416.

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

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

* HUMIDITY: As low as 14 percent today and 17 to 21 percent Sunday.

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.

&&

$$

WYZ278-289-301000-
/O.EXT.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Upper Green River Basin/Rock Springs BLM-
Granite/Green/Ferris/Rattlesnake Mountains-
125 PM MDT Sat Sep 29 2018

...RED FLAG WARNING NOW IN EFFECT UNTIL 7 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 Zone....289.
  In West Central WY Fire Zone....278.

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

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

* HUMIDITY: As low as 10 percent today and 16 to 21 percent Sunday.

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.

&&

$$

WYZ277-301000-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
125 PM MDT Sat Sep 29 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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 11 percent today and 13 to 15 percent
  Sunday.

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.

&&

$$

WYZ279-301000-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
125 PM MDT Sat Sep 29 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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 45 mph.

* HUMIDITY: As low as 10 percent today and 13 to 17 percent Sunday.

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
754 
WWUS85 KRIW 300711
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
111 AM MDT Sun Sep 30 2018

WYZ277-302200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
111 AM MDT Sun Sep 30 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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: Southwest 20 to 30 mph with gusts up to 45 mph.

* HUMIDITY: As low as 13 to 15 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.

&&

$$

WYZ414-302200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
111 AM MDT Sun Sep 30 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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: Southwest 20 to 30 mph with gusts up to 40 mph. Locally
  stronger gusts over the ridges.

* HUMIDITY: As low as 13 percent today and 17 to 20 percent 
  Sunday.

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.

&&

$$

WYZ288-416-302200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
East Wind River Mountains/South Shoshone NF-
West Wind River Mountains/East Zone Bridger Teton NF-
111 AM MDT Sun Sep 30 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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 Zone....288.
  In West Central WY Fire Zone....416.

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

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

* HUMIDITY: 15 to 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.

&&

$$

WYZ278-279-289-302200-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Granite/Green/Ferris/Rattlesnake Mountains-
111 AM MDT Sun Sep 30 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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 Zone....289.
  In Southwest WY Fire Zone....279.
  In West Central WY Fire Zone....278.

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

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

* HUMIDITY: As low as 13 to 17 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
054 
WWUS85 KRIW 301939
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
139 PM MDT Sun Sep 30 2018

WYZ277-010100-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
139 PM MDT Sun Sep 30 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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: Southwest 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.

&&

$$

WYZ414-010100-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
139 PM MDT Sun Sep 30 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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 20 to 30 mph with gusts up to 50 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.

&&

$$

WYZ288-416-010100-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
East Wind River Mountains/South Shoshone NF-
West Wind River Mountains/East Zone Bridger Teton NF-
139 PM MDT Sun Sep 30 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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 Zone....288.
  In West Central WY Fire Zone....416.

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

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

&&

$$

WYZ278-279-289-010100-
/O.CON.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Granite/Green/Ferris/Rattlesnake Mountains-
139 PM MDT Sun Sep 30 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 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 Zone....289.
  In Southwest WY Fire Zone....279.
  In West Central WY Fire Zone....278.

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

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

&&

$$

http://weather.gov/riverton
580 
WWUS85 KRIW 010050
RFWRIW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Riverton WY
650 PM MDT Sun Sep 30 2018

WYZ277-010200-
/O.EXP.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Lincoln and Uinta Counties/Lower Elevations-
650 PM MDT Sun Sep 30 2018

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING...

Relative humidity will gradually rise this evening with the wind
decreasing during the evening. Widespread Red Flag conditions are 
not expected after 7 PM this evening. 

$$

WYZ414-010200-
/O.EXP.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
650 PM MDT Sun Sep 30 2018

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING...

Relative humidity will gradually rise this evening with the wind
decreasing late this evening. Widespread Red Flag conditions are 
not expected after 7 PM this evening. 

$$

WYZ288-416-010200-
/O.EXP.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
East Wind River Mountains/South Shoshone NF-
West Wind River Mountains/East Zone Bridger Teton NF-
650 PM MDT Sun Sep 30 2018

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING...

Relative humidity will gradually rise this evening with the wind
decreasing late this evening. Widespread Red Flag conditions are 
not expected after 7 PM this evening. 

$$

WYZ278-279-289-010200-
/O.EXP.KRIW.FW.W.0021.000000T0000Z-181001T0100Z/
Upper Green River Basin/Rock Springs BLM-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Granite/Green/Ferris/Rattlesnake Mountains-
650 PM MDT Sun Sep 30 2018

...RED FLAG WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING...

Relative humidity will gradually rise this evening with the wind
decreasing during the evening. Widespread Red Flag conditions are 
not expected after 7 PM this evening. 

$$

http://weather.gov/riverton

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.