Alert archive / Wyoming / High Wind Warnings in 2021

High Wind Warning 16, NWS Riverton, WY

November 15, 20219 counties in Wyoming

NWS Riverton, WY issued this high wind warning at Nov 15, 2021, 3:58 AM MST for 9 counties in Wyoming. It took effect at Nov 15, 2021, 8:00 PM MST. It was in force for 24 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Nov 15, 2021, 3:58 AM MST (10:58 UTC)
In effect from
Nov 15, 2021, 8:00 PM MST
Expired
Nov 16, 2021, 8:02 PM MST
In force
24 hr
Issued by
NWS Riverton, WY

Counties Big Horn County, WY, Fremont County, WY, Hot Springs County, WY, Johnson County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Sweetwater County, WY, Washakie County, WY

The radar

The Riverton/Lander radar (KRIW), 47 km from the middle of the area, began a volume at 10:57 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.

What was reported inside it

TimeReportWhereRemark
Nov 15, 11:45 PM MSTWILDFIRE5 Nw Clark, WY*** 1 FATAL *** 1 FATALITY, 3 HOMES, AND 7 OUTBUILDINGS WERE DESTROYED BY A WILDFIRE. THE CAUSE OF THE FIRE WAS A DOWNED POWERLINE DUE TO HIGH WINDS. WINDS OF 75 TO 100 MPH SPREAD THE FIRE QUICKLY EASTWARD AND IMPACTED AREAS ON THE NORTH SIDE OF LINE CREEK ROA
Nov 16, 3:55 AM MSTNON-TSTM WND GST 671 Ssw Lander, WYASOS STATION KLND LANDER AIRPORT.
Nov 16, 4:49 AM MSTNON-TSTM WND GST 603 Nnw Buffalo, WYASOS STATION KBYG BUFFALO AIRPORT.
Nov 16, 5:35 AM MSTNON-TSTM WND GST 823 Nnw Buffalo, WYASOS STATION KBYG BUFFALO AIRPORT. SEVERAL POWERLINES REPORTED DOWN SPARKING SMALL FIRES FROM BUFFALO TO NEAR THE SHERIDAN/JOHNSON COUNTY LINE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Riverton, WY (KRIW), launched 00:00Z, 11.0 hours before the alert went out and 44 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 2021-11-15Temperature 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 2021-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
2033 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
473 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

247 
WWUS75 KRIW 151058
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
358 AM MST Mon Nov 15 2021

WYZ002-160000-
/O.UPG.KRIW.HW.A.0012.211116T0300Z-211116T2100Z/
/O.NEW.KRIW.HW.W.0016.211116T0300Z-211116T2100Z/
Absaroka Mountains-
358 AM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST
TUESDAY...

* WHAT...West winds 45 to 55 mph with gusts around 75 mph. Some
  higher gusts are possible along the Chief Joseph Highway. 

* WHERE...Absaroka Mountains.

* WHEN...From 8 PM this evening to 2 PM MST Tuesday.

* IMPACTS...Strong wind may blow down trees and snap branches.  
  Travel will be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Use caution if you must drive into this area.

&&

$$

WYZ003-160000-
/O.UPG.KRIW.HW.A.0012.211116T0300Z-211116T2100Z/
/O.NEW.KRIW.HW.W.0016.211116T0300Z-211116T1800Z/
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
358 AM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM
MST TUESDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph.
  Wind gusts around Clark and on the south and west side of Cody
  may gust over 70 mph. 

* WHERE...Cody Foothills.

* WHEN...From 8 PM this evening to 11 AM MST Tuesday.

* IMPACTS...Strong wind may snap tree branches. Blowing dust may
  occur reducing visibility. Travel will be difficult, especially
  for high profile vehicles. Highway 120 will be impacted by the
  strong wind gusts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should secure loose items on their property. Use caution 
if you are out driving.

&&

$$

WYZ015-016-160000-
/O.UPG.KRIW.HW.A.0012.211116T0600Z-211117T0000Z/
/O.NEW.KRIW.HW.W.0016.211116T0600Z-211117T0000Z/
Wind River Mountains East-Upper Wind River Basin-
Including the city of Dubois
358 AM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST TUESDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph around
  Dubois to Crowheart. Wind speeds in the mountains will range
  from 45 to 55 mph with gusts over 75 mph expected.  

* WHERE...Wind River Mountains East and Upper Wind River Basin.

* WHEN...From 11 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Strong wind may snap tree branches. Blowing dust may
  occur reducing visibility. Travel will be difficult, especially
  for high profile vehicles. The area around Red Canyon to South
  Pass will impacted by strong wind gusts. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should secure loose items on their property. Use caution 
if you are out driving.

&&

$$

WYZ019-160000-
/O.UPG.KRIW.HW.A.0012.211116T0600Z-211117T0000Z/
/O.NEW.KRIW.HW.W.0016.211116T0600Z-211117T0000Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
358 AM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST TUESDAY...

* WHAT...West winds 35 to 45 mph with gusts around 60 mph from 
  Beaver Rim to Jeffrey City. Wind gusts in the mountains around 
  75 mph are expected. 

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From 11 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles. Highways 287 and 220 will be impacted by these high 
  wind gusts. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should secure loose items on their property. Use caution 
if you are out driving.

&&

$$

WYZ020-160000-
/O.UPG.KRIW.HW.A.0012.211116T0600Z-211117T0000Z/
/O.NEW.KRIW.HW.W.0016.211116T0600Z-211116T2100Z/
Natrona County Lower Elevations-
Including the city of Casper
358 AM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 2 PM
MST TUESDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts around 60 mph is
  expected. Wind gusts on Outer Drive may be over 70 mph.

* WHERE...Natrona County Lower Elevations.

* WHEN...From 11 PM this evening to 2 PM MST Tuesday.

* IMPACTS...Strong wind may snap tree branches. Blowing dust may
  occur reducing visibility. Travel will be difficult, especially
  for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should secure loose items on their property. Use caution 
if you are out driving.

&&

$$

WYZ010-160000-
/O.NEW.KRIW.HW.W.0016.211116T1600Z-211117T0000Z/
Northeast Johnson County-
Including the city of Buffalo
358 AM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 9 AM TO 5 PM MST TUESDAY...

* WHAT...West to Northwest winds 35 to 45 mph with gusts up to 60
  mph may occur in the morning. Then a Northwest wind of 35 to 45
  mph with gusts around 60 mph are expected after the cold front
  passes around Noon. 

* WHERE...Northeast Johnson County.

* WHEN...From 9 AM to 5 PM MST Tuesday.

* IMPACTS...Strong wind may snap tree branches. Travel will be
  difficult, especially for high profile vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should secure loose items on their property. Use caution 
if you are out driving.

&&

$$

WYZ030-160000-
/O.EXT.KRIW.HW.A.0012.211116T1500Z-211117T0000Z/
East Sweetwater County-
Including the city of Wamsutter
358 AM MST Mon Nov 15 2021

...HIGH WIND WATCH NOW IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

* WHAT...West winds 35 to 45 mph with gusts around 60 mph are
  possible.

* WHERE...East Sweetwater County.

* WHEN...From Tuesday morning through Tuesday afternoon.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstate 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/riw
5 follow-up statements
217 
WWUS75 KRIW 152105
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
205 PM MST Mon Nov 15 2021

WYZ030-161400-
/O.UPG.KRIW.HW.A.0012.211116T1500Z-211117T0000Z/
/O.EXB.KRIW.HW.W.0016.211116T1200Z-211117T0000Z/
East Sweetwater County-
Including the city of Wamsutter
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 5 AM TO 5 PM MST TUESDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...East Sweetwater County.

* WHEN...From 5 AM to 5 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstate 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ009-161400-
/O.EXB.KRIW.HW.W.0016.211116T0300Z-211117T0000Z/
Bighorn Mountains Southeast-
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 PM MST
TUESDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 75 mph 
  expected. Light snow is also possible at times.
 
* WHERE...Bighorn Mountains Southeast.

* WHEN...From 8 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Highway 16 and Powder River
  Pass. Blowing dust may occur reducing visibility. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ011-161400-
/O.EXB.KRIW.HW.W.0016.211116T0900Z-211117T0600Z/
Southeast Johnson County-
Including the city of Kaycee
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 11 PM MST TUESDAY...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...Southeast Johnson County.

* WHEN...From 2 AM to 11 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstate 25.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ004-005-018-161400-
/O.EXB.KRIW.HW.W.0016.211116T0900Z-211116T2100Z/
North Big Horn Basin-Southwest Big Horn Basin-Lander Foothills-
Including the cities of Basin, Greybull, Lovell, Powell, Shell, 
Thermopolis, and Lander
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 2 PM MST TUESDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...North Big Horn Basin, Southwest Big Horn Basin and 
  Lander Foothills.

* WHEN...From 2 AM to 2 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ007-161400-
/O.EXA.KRIW.HW.W.0016.211116T0600Z-211117T0000Z/
Owl Creek and Bridger Mountains-
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM
MST TUESDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 80 mph 
  expected.

* WHERE...Owl Creek and Bridger Mountains.

* WHEN...From 11 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Damaging winds may blow down tree branches and cause 
  lowered visibility due to blowing dust.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ002-161400-
/O.EXT.KRIW.HW.W.0016.211116T0300Z-211117T0000Z/
Absaroka Mountains-
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 5 PM
MST TUESDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 75 mph expected.
  Light snow is also possible at times.

* WHERE...Absaroka Mountains.

* WHEN...From 8 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Wyoming Highway 296 and Dead
  Indian Pass. Blowing dust may occur reducing visibility. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ003-161400-
/O.EXT.KRIW.HW.W.0016.211116T0300Z-211117T0000Z/
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 5 PM
MST TUESDAY...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...Cody Foothills.

* WHEN...From 8 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Wyoming Highway 120.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ020-161400-
/O.EXT.KRIW.HW.W.0016.211116T0300Z-211117T0000Z/
Natrona County Lower Elevations-
Including the city of Casper
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 5 PM
MST TUESDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...Natrona County Lower Elevations.

* WHEN...From 8 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstate 25 and Outer Drive
  around Casper.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ010-161400-
/O.EXT.KRIW.HW.W.0016.211116T0900Z-211117T0600Z/
Northeast Johnson County-
Including the city of Buffalo
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING NOW IN EFFECT FROM 2 AM TO 11 PM MST
TUESDAY...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...Northeast Johnson County.

* WHEN...From 2 AM to 11 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstate 90 and Interstate 25.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ015-016-161400-
/O.CON.KRIW.HW.W.0016.211116T0600Z-211117T0000Z/
Wind River Mountains East-Upper Wind River Basin-
Including the city of Dubois
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
5 PM MST TUESDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 75 mph 
  expected. Light snow is also possible at times.

* WHERE...Upper Wind River Basin and Wind River Mountains East.

* WHEN...From 11 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles. The area around Red Canyon to South Pass will 
  impacted by strong wind gusts. Blowing dust may occur reducing 
  visibility. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

WYZ019-161400-
/O.CON.KRIW.HW.W.0016.211116T0600Z-211117T0000Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
205 PM MST Mon Nov 15 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO
5 PM MST TUESDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...From 11 PM this evening to 5 PM MST Tuesday.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Highway 287.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. Fasten loose objects or shelter objects in a 
safe location prior to the onset of winds. Use caution if you must
drive.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/riw
632 
WWUS75 KRIW 161052
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
352 AM MST Tue Nov 16 2021

WYZ002-009-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Absaroka Mountains-Bighorn Mountains Southeast-
352 AM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 35 to 45 mph with gusts up to 75 mph.

* WHERE...Absaroka Mountains, and eastern slopes of the Bighorn 
  Mountains.

* WHEN...Until 5 PM.

* IMPACTS...Extreme blowover risk risk for lightweight and high-
  profile vehicles, including campers and tractor trailers. This
  includes Highway 16 west of Cody, eastern portions of Powder 
  River Pass, and along the Chief Joseph Highway. 

* ADDITIONAL DETAILS...Please keep two hands on your steering 
  wheel in case of a sudden, strong wind gust.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Delay travel if possible. People should avoid being outside in 
forested areas and around trees.

&&

$$

WYZ003-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
352 AM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 35 to 45 mph with gusts up to 70 mph.

* WHERE...Cody Foothills. Areas around Clark will have the 
  strongest winds with localized winds to around 85 mph possible.

* WHEN...Until 5 PM.

* IMPACTS...Extreme blowover risk risk for lightweight and high-
  profile vehicles, including campers and tractor trailers. This
  includes Highway 120.

* ADDITIONAL DETAILS...Please keep two hands on your steering
  wheel in case of a sudden, strong wind gust. There could be
  patchy blowing dust which could reduce the visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive. In a parking lot, park into the
wind to minimize the possibility of your car door hitting another
parked vehicle.

&&

$$

WYZ007-015-016-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Owl Creek and Bridger Mountains-Wind River Mountains East-
Upper Wind River Basin-
Including the city of Dubois
352 AM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 40 to 50 mph with gusts up to 80 mph in the
  mountains, and west to northwest 30 to 40 mph with gusts to 60
  mph in the lower elevations.

* WHERE...Owl Creek and Bridger Mountains, eastern slopes of the 
  Wind River Mountains, and the Upper Wind River Basin including 
  Crowheart and Dubois. 

* WHEN...Until 5 PM MST.

* IMPACTS...Mainly to transportation. Extreme blowover risk
  especially near the Red Canyon area of South Pass.

* ADDITIONAL DETAILS...Please keep two hands on your steering
  wheel in case of a sudden, strong wind gust. There could be
  patchy blowing dust which could reduce the visibility in the
  lower elevations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive, and delay travel over South Pass if
possible. In a parking lot, park into the wind to minimize the 
possibility of your car door hitting another parked vehicle.

&&

$$

WYZ019-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
352 AM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until 5 PM.

* IMPACTS...Strong winds will enhance the blowover risk for 
  lightweight and high-profile vehicles, including campers and 
  tractor trailers. This includes Highway 287.

* ADDITIONAL DETAILS...Please keep two hands on your steering
  wheel in case of a sudden, strong wind gust.  There could be
  patchy blowing dust which could reduce the visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

WYZ020-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Natrona County Lower Elevations-
Including the city of Casper
352 AM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Southwest to west winds 30 to 40 mph with gusts up to 60
  mph.

* WHERE...Natrona County Lower Elevations.

* WHEN...Until 5 PM.

* IMPACTS...Strong winds will enhance the blowover risk for 
  lightweight and high-profile vehicles, including campers and 
  tractor trailers. This includes Interstate 25 and Outer Drive 
  around Casper.

* ADDITIONAL DETAILS...Please keep two hands on your steering
  wheel in case of a sudden, strong wind gust. There could be
  patchy blowing dust which could reduce the visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive. In a parking lot, park into the 
wind to minimize the possibility of your car door hitting another 
parked vehicle.

&&

$$

WYZ010-011-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0600Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
352 AM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...Northwest winds 30 to 40 mph with gusts up to 65 mph.

* WHERE...Johnson County. The strongest winds are expected to
  occur over far northern Johnson County including the Buffalo
  area.

* WHEN...Until 11 PM this evening.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstates 25 and 90.

* ADDITIONAL DETAILS...Please keep two hands on your steering
  wheel in case of a sudden, strong wind gust. There could be
  patchy blowing dust which could reduce the visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extreme caution if you must drive. In a parking lot, park 
into the wind to minimize the possibility of your car door hitting
another parked vehicle.

&&

$$

WYZ004-005-018-162100-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211116T2100Z/
North Big Horn Basin-Southwest Big Horn Basin-Lander Foothills-
Including the cities of Basin, Greybull, Lovell, Powell, Shell, 
Thermopolis, and Lander
352 AM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

* WHAT...West to northwest winds 30 to 40 mph with gusts up to 60
  mph.

* WHERE...North Big Horn Basin, Southwest Big Horn Basin and 
  Lander Foothills.

* WHEN...Until 2 PM.

* IMPACTS...Strong winds will enhance the blowover risk for 
  lightweight and high-profile vehicles, including campers and 
  tractor trailers.

* ADDITIONAL DETAILS...Please keep two hands on your steering
  wheel in case of a sudden, strong wind gust. There could be
  patchy blowing dust which could reduce the visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive. In a parking lot, park into the 
wind to minimize the possibility of your car door hitting another 
parked vehicle.

&&

$$

WYZ030-170000-
/O.CON.KRIW.HW.W.0016.211116T1200Z-211117T0000Z/
East Sweetwater County-
Including the city of Wamsutter
352 AM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 30 to 40 mph with gusts up to 60 mph 
  expected.

* WHERE...East Sweetwater County.

* WHEN...Until 5 PM.

* IMPACTS...Strong winds will enhance the blowover risk for 
  lightweight and high-profile vehicles, including campers and 
  tractor trailers. This includes Interstate 80.

* ADDITIONAL DETAILS...Please keep two hands on your steering
  wheel in case of a sudden, strong wind gust. There could be
  patchy blowing dust which could reduce the visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive.

&&

$$

Team Riverton/21
073 
WWUS75 KRIW 162103
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
203 PM MST Tue Nov 16 2021

WYZ004-005-018-162215-
/O.EXP.KRIW.HW.W.0016.000000T0000Z-211116T2100Z/
North Big Horn Basin-Southwest Big Horn Basin-Lander Foothills-
Including the cities of Basin, Greybull, Lovell, Powell, Shell, 
Thermopolis, and Lander
203 PM MST Tue Nov 16 2021

...HIGH WIND WARNING WILL EXPIRE AT 2 PM MST THIS AFTERNOON...

Winds remain breezy through sunset with gusts 40 to 50 mph; 
however, damaging winds are now unlikely.

$$

WYZ002-009-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Absaroka Mountains-Bighorn Mountains Southeast-
203 PM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 30 to 40 mph with gusts up to 70 mph.

* WHERE...Bighorn Mountains Southeast and Absaroka Mountains.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Extreme blowover risk risk for lightweight and high-
  profile vehicles, including campers and tractor trailers. This
  includes Highway 16 west of Cody, eastern portions of Powder
  River Pass, and along the Chief Joseph Highway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Delay travel if possible. People should avoid being outside in
forested areas and around trees.

&&

$$

WYZ003-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
203 PM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph.

* WHERE...Cody Foothills. The strongest winds will be near the
  high terrain on the east face of the Absarokas, and in narrow
  east to west oriented canyons and valleys.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Increased blowover risk risk for lightweight and high-
  profile vehicles, including campers and tractor trailers. This
  includes Highway 120.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive, and watch out for any fallen tree
branches.

&&

$$

WYZ007-015-016-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Owl Creek and Bridger Mountains-Wind River Mountains East-
Upper Wind River Basin-
Including the city of Dubois
203 PM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph.

* WHERE...Owl Creek and Bridger Mountains, Upper Wind River 
  Basin and Wind River Mountains East.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Increased blowover risk risk for lightweight and high-
  profile vehicles, including campers and tractor trailers. Extreme
  blowover risk near the Red Canyon area of South Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive, and delay travel over South Pass
if possible. Watch out for any fallen tree branches.

&&

$$

WYZ019-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
203 PM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 30 to 35 mph with gusts up to 60 mph.

* WHERE...Green Mountains and Rattlesnake Range.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Highway 287.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive, and watch out for any fallen tree 
branches.

&&

$$

WYZ020-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Natrona County Lower Elevations-
Including the city of Casper
203 PM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph.

* WHERE...Natrona County Lower Elevations.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstate 25 and Outer Drive
  around Casper.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive, and watch out for any fallen tree 
branches.

&&

$$

WYZ010-011-170600-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0600Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
203 PM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...North winds 20 to 30 mph with gusts up to 60 mph.

* WHERE...Southeast Johnson County and Northeast Johnson County.

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstates 25 and 90.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive, and watch out for any fallen tree 
branches.

&&

$$

WYZ030-170000-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
East Sweetwater County-
Including the city of Wamsutter
203 PM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

* WHAT...West winds 25 to 35 mph with gusts up to 60 mph.

* WHERE...East Sweetwater County.

* WHEN...Until 5 PM MST this afternoon.

* IMPACTS...Strong winds will enhance the blowover risk for
  lightweight and high-profile vehicles, including campers and
  tractor trailers. This includes Interstate 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive, and watch out for any fallen tree 
branches.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/riw
121 
WWUS75 KRIW 162358
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
458 PM MST Tue Nov 16 2021

WYZ002-009-170100-
/O.EXP.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Absaroka Mountains-Bighorn Mountains Southeast-
458 PM MST Tue Nov 16 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

The wind has decreased below critical thresholds. Therefore, the 
high wind warning will be allowed to expire. Northwest wind 
gusting 40 to 50 mph will continue until mid-evening Tuesday.

$$

WYZ003-170100-
/O.EXP.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
458 PM MST Tue Nov 16 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

The wind has decreased below critical thresholds. Therefore, the 
high wind warning will be allowed to expire. Northwest wind 
gusting 25 to 35 mph will continue until mid-evening Tuesday.

$$

WYZ007-015-016-170100-
/O.EXP.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Owl Creek and Bridger Mountains-Wind River Mountains East-
Upper Wind River Basin-
Including the city of Dubois
458 PM MST Tue Nov 16 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

The wind has decreased below critical thresholds. Therefore, the 
high wind warning will be allowed to expire. Northwest wind 
gusting around 30 mph will continue until mid-evening Tuesday.

$$

WYZ019-170100-
/O.EXP.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Green Mountains and Rattlesnake Range-
Including the city of Jeffrey City
458 PM MST Tue Nov 16 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

The wind has decreased below critical thresholds. Therefore, the 
high wind warning will be allowed to expire. West wind gusting 30 
to 40 mph will continue until mid-evening Tuesday.

$$

WYZ020-170100-
/O.EXP.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
Natrona County Lower Elevations-
Including the city of Casper
458 PM MST Tue Nov 16 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

The wind has decreased below critical thresholds. Therefore, the 
high wind warning will be allowed to expire. North wind gusting to
25 mph will continue until mid-evening Tuesday.

$$

WYZ030-170100-
/O.EXP.KRIW.HW.W.0016.000000T0000Z-211117T0000Z/
East Sweetwater County-
Including the city of Wamsutter
458 PM MST Tue Nov 16 2021

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

The wind has decreased below critical thresholds. Therefore, the 
high wind warning will be allowed to expire. West wind gusting 25 
to 35 mph will continue until mid-evening Tuesday.

$$

WYZ010-011-170600-
/O.CON.KRIW.HW.W.0016.000000T0000Z-211117T0600Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
458 PM MST Tue Nov 16 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...North winds 25 to 35 mph with local gusts 50 to 60 mph.

* WHERE...Southeast Johnson County and Northeast Johnson County.

* WHEN...Until 11 PM MST this evening.

* IMPACTS...Strong winds will enhance the blowover risk for 
  lightweight and high-profile vehicles, including campers and 
  tractor trailers. This includes Interstates 25 and 90.

* ADDITIONAL DETAILS...Most locations can expect wind gusts of 35
  to 45 mph through mid-evening Tuesday, but local gusts to near
  60 mph are possible near the foothills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must drive, and watch out for any fallen tree
branches.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/riw
716 
WWUS75 KRIW 170302
NPWRIW

URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
802 PM MST Tue Nov 16 2021

WYZ010-011-170415-
/O.CAN.KRIW.HW.W.0016.000000T0000Z-211117T0600Z/
Northeast Johnson County-Southeast Johnson County-
Including the cities of Buffalo and Kaycee
802 PM MST Tue Nov 16 2021

...HIGH WIND WARNING IS CANCELLED...

The wind has decreased below critical thresholds. Therefore, the 
high wind warning has been cancelled. Northwest wind gusting 25 
to 35 mph will continue through Tuesday evening.

$$

For more information from the National Weather Service visit
https://weather.gov/riw

Nearby

High Wind Warnings in Wyoming, 2021Every high wind warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.