Alert archive / Montana / Wind Advisories in 2021

Wind Advisory 14, NWS Billings, MT

November 29, 2021Park County, Stillwater County, Sweet Grass County, Montana

NWS Billings, MT issued this wind advisory at Nov 29, 2021, 2:04 PM MST for Park County, Stillwater County, Sweet Grass County, Montana. It took effect at Nov 30, 2021, 11:00 AM MST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Nov 29, 2021, 2:04 PM MST (21:04 UTC)
In effect from
Nov 30, 2021, 11:00 AM MST
Expired
Dec 1, 2021, 7:29 AM MST
In force
20 hr
Issued by
NWS Billings, MT

Counties Park County, MT, Stillwater County, MT, Sweet Grass County, MT

The radar

The Billings radar (KBLX), 107 km from the middle of the area, began a volume at 21:02 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

Great_falls, MT (KTFX), launched 12:00Z, 9.1 hours before the alert went out and 206 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, Great_falls, MT at 12:00Z on 2021-11-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Great_falls, MT at 12:00Z on 2021-11-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 square meters per square second.1939587897117Sfc1 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
1632 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

584 
WWUS75 KBYZ 292104
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
204 PM MST Mon Nov 29 2021

MTZ228-302115-
/O.NEW.KBYZ.HW.W.0015.211201T0100Z-211202T0100Z/
Southern Wheatland-
Including the locations of Harlowton
204 PM MST Mon Nov 29 2021

...HIGH WIND WARNING IN EFFECT FROM 6 PM TUESDAY TO 6 PM MST 
WEDNESDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected.

* WHERE...Southern Wheatland.

* WHEN...From 6 PM Tuesday to 6 PM MST Wednesday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Travel will be difficult, especially for high profile vehicles. 
  Strong crosswinds will make travel difficult along Highway 191 
  from Big Timber to Harlowton to Judith Gap.

$$

MTZ065-066-302115-
/O.NEW.KBYZ.WI.Y.0014.211201T0100Z-211202T0100Z/
Livingston Area-Beartooth Foothills-
Including the locations of Livingston
204 PM MST Mon Nov 29 2021

...WIND ADVISORY IN EFFECT FROM 6 PM TUESDAY TO 6 PM MST WEDNESDAY...

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

* WHERE...Beartooth Foothills and Livingston Area.

* WHEN...From 6 PM Tuesday to 6 PM MST Wednesday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  Interstate 90 from Livingston to Big Timber and roads along the 
  Beartooth Foothills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Borsum
6 follow-up statements
504 
WWUS75 KBYZ 300103
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
603 PM MST Mon Nov 29 2021

MTZ228-010115-
/O.CON.KBYZ.HW.W.0015.211201T0100Z-211202T0100Z/
Southern Wheatland-
Including the locations of Harlowton
603 PM MST Mon Nov 29 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 PM TUESDAY TO 6 PM MST 
WEDNESDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected.

* WHERE...Southern Wheatland.

* WHEN...From 6 PM Tuesday to 6 PM MST Wednesday.

* IMPACTS...Travel on US-191 through the Harlowton area will be 
  difficult, especially for high profile vehicles. It will also be 
  very warm and dry, so take care not to spark a grass fire.

* ADDITIONAL DETAILS...Strong west winds may continue Wednesday 
  night into Thursday.

$$

MTZ065-066-010115-
/O.CON.KBYZ.WI.Y.0014.211201T0100Z-211202T0100Z/
Livingston Area-Beartooth Foothills-
Including the locations of Livingston
603 PM MST Mon Nov 29 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM TUESDAY TO 6 PM MST 
WEDNESDAY...

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

* WHERE...Beartooth Foothills and Livingston Area.

* WHEN...From 6 PM Tuesday to 6 PM MST Wednesday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  Interstate 90 from Livingston to Big Timber and roads along the 
  Beartooth Foothills. It will also be very warm and dry, so take 
  care not to spark a grass fire.

* ADDITIONAL DETAILS...Strong southwest winds may continue Wednesday 
  night and Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Lester
325 
WWUS75 KBYZ 300928
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
228 AM MST Tue Nov 30 2021

MTZ063-141-172-010930-
/O.EXB.KBYZ.HW.W.0015.211130T1800Z-211202T1800Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-
Including the locations of Judith Gap and Big Timber
228 AM MST Tue Nov 30 2021

...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST 
THURSDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected.

* WHERE...Judith Gap, Melville Foothills and Northern Sweet Grass.

* WHEN...From 11 AM this morning to 11 AM MST Thursday.

* IMPACTS...Travel on US-191 from Big Timber through Harlowton and 
  Judith Gap will be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...It will also be very warm and dry, so take 
  care not to spark a grass fire.

$$

MTZ228-010930-
/O.EXT.KBYZ.HW.W.0015.211130T1800Z-211202T1800Z/
Southern Wheatland-
Including the locations of Harlowton
228 AM MST Tue Nov 30 2021

...HIGH WIND WARNING NOW IN EFFECT FROM 11 AM THIS MORNING TO 11 AM 
MST THURSDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph expected.

* WHERE...Southern Wheatland.

* WHEN...From 11 AM this morning to 11 AM MST Thursday.

* IMPACTS...Travel on US-191 through the Harlowton area will be 
  difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...It will also be very warm and dry, so take 
  care not to spark a grass fire.

$$

MTZ065-066-010930-
/O.EXT.KBYZ.WI.Y.0014.211130T1800Z-211202T1800Z/
Livingston Area-Beartooth Foothills-
Including the locations of Livingston
228 AM MST Tue Nov 30 2021

...WIND ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST 
THURSDAY...

* WHAT...Southwest winds 35 to 50 mph with gusts up to 70 mph 
  expected.

* WHERE...Beartooth Foothills and Livingston Area.

* WHEN...From 11 AM this morning to 11 AM MST Thursday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  Interstate 90 from Livingston to Big Timber and roads along the 
  Beartooth Foothills.

* ADDITIONAL DETAILS...It will also be very warm and dry, so take 
  care not to spark a grass fire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

TWH
463 
WWUS75 KBYZ 302127
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
227 PM MST Tue Nov 30 2021

MTZ063-141-172-228-012130-
/O.CON.KBYZ.HW.W.0015.000000T0000Z-211202T1800Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-Southern
Wheatland-
Including the locations of Judith Gap, Harlowton, and Big Timber
227 PM MST Tue Nov 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph occurring.

* WHERE...Judith Gap, Southern Wheatland, Melville Foothills and 
  Northern Sweet Grass.

* WHEN...Until 11 AM MST Thursday.

* IMPACTS...Damaging winds will blow down trees and power lines. 
  Travel will be difficult, especially for high profile vehicles. 
  Strong crosswinds will make travel difficult along Interstate 90 
  from Livingston to Big Timber, Highway 191 from Big Timber to 
  Harlowton.

$$

MTZ065-066-012130-
/O.CON.KBYZ.WI.Y.0014.000000T0000Z-211202T1800Z/
Livingston Area-Beartooth Foothills-
Including the locations of Livingston
227 PM MST Tue Nov 30 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY...

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

* WHERE...Beartooth Foothills and Livingston Area.

* WHEN...Until 11 AM MST Thursday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  Interstate 90 from Livingston to Big Timber, Highway 191 from Big 
  Timber to Harlowton, and roads along the Beartooth Foothills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Borsum
824 
WWUS75 KBYZ 010420
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
920 PM MST Tue Nov 30 2021

MTZ063-141-172-228-020430-
/O.CON.KBYZ.HW.W.0015.000000T0000Z-211202T1800Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-Southern
Wheatland-
Including the locations of Judith Gap, Harlowton, and Big Timber
920 PM MST Tue Nov 30 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY...

* WHAT...West winds 35 to 45 mph with gusts up to 65 mph.

* WHERE...Judith Gap, Southern Wheatland, Melville Foothills and 
  Northern Sweet Grass.

* WHEN...Until 11 AM MST Thursday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  US-191 from Big Timber to Harlowton and Judith Gap.

$$

MTZ065-066-020430-
/O.CON.KBYZ.WI.Y.0014.000000T0000Z-211202T1800Z/
Livingston Area-Beartooth Foothills-
Including the locations of Livingston
920 PM MST Tue Nov 30 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph.

* WHERE...Beartooth Foothills and Livingston Area.

* WHEN...Until 11 AM MST Thursday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  Interstate 90 from Livingston to Big Timber and roads along the 
  Beartooth Foothills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Lester
539 
WWUS75 KBYZ 010914
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
214 AM MST Wed Dec 1 2021

MTZ029-034-042-020600-
/O.EXB.KBYZ.HW.W.0015.000000T0000Z-211202T0600Z/
Musselshell-Northern Stillwater-Golden Valley-
Including the locations of Roundup, Melstone, Columbus,
Absarokee, and Ryegate
214 AM MST Wed Dec 1 2021

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

* WHAT...West winds gusting to 60 mph.

* WHERE...Golden Valley, Musselshell and Northern Stillwater.

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

* IMPACTS...These strong winds could down trees and power lines, 
  with power outages possible. Travel will be difficult, especially 
  for high profile vehicles.

$$

MTZ063-141-172-228-020915-
/O.CON.KBYZ.HW.W.0015.000000T0000Z-211202T1800Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-Southern
Wheatland-
Including the locations of Judith Gap, Harlowton, and Big Timber
214 AM MST Wed Dec 1 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY...

* WHAT...West winds gusting to 65 mph.

* WHERE...Judith Gap, Southern Wheatland, Melville Foothills and 
  Northern Sweet Grass.

* WHEN...Until 11 AM MST Thursday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  US-191 from Big Timber to Harlowton and Judith Gap.

$$

MTZ065-066-020915-
/O.CON.KBYZ.WI.Y.0014.000000T0000Z-211202T1800Z/
Livingston Area-Beartooth Foothills-
Including the locations of Livingston
214 AM MST Wed Dec 1 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY...

* WHAT...Southwest winds gusting to 70 mph.

* WHERE...Beartooth Foothills and Livingston Area.

* WHEN...Until 11 AM MST Thursday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  Interstate 90 from Livingston to Big Timber and roads along the 
  Beartooth Foothills.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

TWH
989 
WWUS75 KBYZ 011429
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
729 AM MST Wed Dec 1 2021

MTZ065-066-021430-
/O.UPG.KBYZ.WI.Y.0014.000000T0000Z-211202T1800Z/
/O.EXA.KBYZ.HW.W.0015.000000T0000Z-211202T1800Z/
Livingston Area-Beartooth Foothills-
Including the locations of Livingston
729 AM MST Wed Dec 1 2021

...HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THURSDAY...

* WHAT...Southwest winds 50 to 60 mph with gusts up to 80 mph 
  occurring.

* WHERE...Beartooth Foothills and Livingston Area.

* WHEN...Until 11 AM MST Thursday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  Interstate 90 from Livingston to Big Timber and roads along the 
  Beartooth Foothills.

* ADDITIONAL DETAILS...It will also be very warm and dry, so take 
  care not to spark a grass fire.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain in the lower levels of your home during the windstorm, and 
avoid windows. Watch for falling debris and tree limbs. Use caution 
if you must drive.

&&

$$

MTZ029-034-042-020600-
/O.CON.KBYZ.HW.W.0015.000000T0000Z-211202T0600Z/
Musselshell-Northern Stillwater-Golden Valley-
Including the locations of Roundup, Melstone, Columbus,
Absarokee, and Ryegate
729 AM MST Wed Dec 1 2021

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

* WHAT...West winds gusting to 60 mph.

* WHERE...Golden Valley, Musselshell and Northern Stillwater.

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

* IMPACTS...These strong winds could down trees and power lines, 
  with power outages possible. Travel will be difficult, especially 
  for high profile vehicles.

$$

MTZ063-141-172-228-021430-
/O.CON.KBYZ.HW.W.0015.000000T0000Z-211202T1800Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-Southern
Wheatland-
Including the locations of Judith Gap, Harlowton, and Big Timber
729 AM MST Wed Dec 1 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THURSDAY...

* WHAT...West winds gusting to 65 mph.

* WHERE...Judith Gap, Southern Wheatland, Melville Foothills and 
  Northern Sweet Grass.

* WHEN...Until 11 AM MST Thursday.

* IMPACTS...Strong crosswinds will make travel difficult along 
  US-191 from Big Timber to Harlowton and Judith Gap.

$$

Additional graphics for this hazard can be found at
http://www.weather.gov/billings

Reimer

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 29, 2:04 PM MSTHigh Wind WarningBYZGolden Valley, Musselshell, Park, Stillwater, Sweet Grass, Wheatland67 hr

Nearby

Wind Advisories in Montana, 2021Every wind advisory in 2021

Sources

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