Alert archive / Montana / Wind Advisories in 2021

Wind Advisory 3, NWS Billings, MT

January 19, 2021Park County, Stillwater County, Sweet Grass County, Montana

NWS Billings, MT issued this wind advisory at Jan 19, 2021, 2:36 AM MST for Park County, Stillwater County, Sweet Grass County, Montana. It took effect at Jan 19, 2021, 6:00 PM MST. It was in force for 20 hr.

The area

The counties it named.

The facts

Issued
Jan 19, 2021, 2:36 AM MST (09:36 UTC)
In effect from
Jan 19, 2021, 6:00 PM MST
Expired
Jan 20, 2021, 2:01 PM 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 09:42 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 00:00Z, 9.6 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 00:00Z on 2021-01-19Temperature 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, Great_falls, MT at 00:00Z on 2021-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1166 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
-10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

523 
WWUS75 KBYZ 190936
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
236 AM MST Tue Jan 19 2021

MTZ141-200945-
/O.UPG.KBYZ.HW.A.0002.210120T0100Z-210121T0100Z/
/O.NEW.KBYZ.HW.W.0003.210120T0100Z-210121T0100Z/
Northern Sweet Grass-
Including the city of Big Timber
236 AM MST Tue Jan 19 2021

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

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

* WHERE...Northern Sweet Grass.

* WHEN...From 6 PM this evening to 6 PM MST Wednesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles and those towing trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists of high profile vehicles should use caution or delay
travel. Use caution if you must drive.

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

$$

MTZ172-228-200945-
/O.UPG.KBYZ.HW.A.0002.210120T0700Z-210121T0100Z/
/O.NEW.KBYZ.HW.W.0003.210120T0100Z-210121T0100Z/
Melville Foothills-Southern Wheatland-
Including the cities of Melville and Harlowton
236 AM MST Tue Jan 19 2021

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

* WHAT...West winds 30 to 45 mph with gusts around 60 mph 
  expected.

* WHERE...Melville Foothills and Southern Wheatland.

* WHEN...From 6 PM this evening to 6 PM MST Wednesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles and those towing trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists of high profile vehicles should use caution or delay
travel. Use caution if you must drive.

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

$$

MTZ063-200945-
/O.NEW.KBYZ.HW.W.0003.210120T0100Z-210121T0100Z/
Judith Gap-
Including the city of Judith Gap
236 AM MST Tue Jan 19 2021

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

* WHAT...West winds 30 to 45 mph with gusts up to 60 mph 
  expected.

* WHERE...Judith Gap.

* WHEN...From 6 PM this evening to 6 PM MST Wednesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles and those towing trailers.

* Additional Details...Due to recent snowfall, areas of blowing
  snow and reduced visibilities are possible. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists of high profile vehicles should use caution or delay
travel. Use caution if you must drive.

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

$$

MTZ065-066-200945-
/O.UPG.KBYZ.HW.A.0002.210120T0100Z-210121T0100Z/
/O.NEW.KBYZ.WI.Y.0003.210120T0100Z-210121T0100Z/
Livingston Area-Beartooth Foothills-
Including the cities of Livingston, Fishtail, and McLeod
236 AM MST Tue Jan 19 2021

...WIND ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MST
WEDNESDAY...

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

* WHERE...Livingston Area and Beartooth Foothills.

* WHEN...From 6 PM this evening to 6 PM MST Wednesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles and those towing trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists of high profile vehicles should use caution or delay
travel. Use caution if you must drive.

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

$$
Hooley
4 follow-up statements
679 
WWUS75 KBYZ 192049
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
149 PM MST Tue Jan 19 2021

MTZ063-141-172-228-202100-
/O.CON.KBYZ.HW.W.0003.210120T0100Z-210121T0100Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-
Southern Wheatland-
Including the cities of Judith Gap, Big Timber, Melville, 
and Harlowton
149 PM MST Tue Jan 19 2021

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

* WHAT...West winds 30 to 45 mph with gusts up to 60 mph 
  expected.

* WHERE...From Judith Gap to Harlowton to Big Timber. 

* WHEN...From 6 PM this evening to 6 PM MST Wednesday.

* IMPACTS...Travel will be difficult, especially for high profile
  vehicles and those towing trailers.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

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

$$

MTZ065-066-202100-
/O.CON.KBYZ.WI.Y.0003.210120T0100Z-210121T0100Z/
Livingston Area-Beartooth Foothills-
Including the cities of Livingston, Fishtail, and McLeod
149 PM MST Tue Jan 19 2021

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

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

* WHERE...Livingston Area and Beartooth Foothills.

* WHEN...From 6 PM this evening to 6 PM MST Wednesday.

* IMPACTS...Travel will be difficult, especially for high 
  profile vehicles and those towing trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

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

$$
849 
WWUS75 KBYZ 200413
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
913 PM MST Tue Jan 19 2021

MTZ063-141-172-228-210100-
/O.CON.KBYZ.HW.W.0003.000000T0000Z-210121T0100Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-
Southern Wheatland-
Including the cities of Judith Gap, Big Timber, Melville, 
and Harlowton
913 PM MST Tue Jan 19 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST WEDNESDAY...

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

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

* WHEN...Until 6 PM MST Wednesday.

* IMPACTS...Travel will be difficult, especially for high 
  profile vehicles and those towing trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

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

$$

MTZ065-066-210100-
/O.CON.KBYZ.WI.Y.0003.000000T0000Z-210121T0100Z/
Livingston Area-Beartooth Foothills-
Including the cities of Livingston, Fishtail, and McLeod
913 PM MST Tue Jan 19 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST WEDNESDAY...

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

* WHERE...Livingston Area and Beartooth Foothills.

* WHEN...Until 6 PM MST Wednesday.

* IMPACTS...Travel will be difficult, especially for high 
  profile vehicles and those towing trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

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

$$
914 
WWUS75 KBYZ 200955
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
255 AM MST Wed Jan 20 2021

MTZ063-141-172-228-210100-
/O.CON.KBYZ.HW.W.0003.000000T0000Z-210121T0100Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-
Southern Wheatland-
Including the cities of Judith Gap, Big Timber, Melville, 
and Harlowton
255 AM MST Wed Jan 20 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS
EVENING...

* WHAT...West winds 35 to 45 mph with gusts up to 60 mph.

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

* WHEN...Until 6 PM MST today. Expect the winds to begin to 
  decrease by late morning. 

* IMPACTS...Travel will be difficult, especially for high 
  profile vehicles and those towing trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists of high profile vehicles should use caution or delay
travel. Use caution if you must drive.

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

$$

MTZ065-066-210100-
/O.CON.KBYZ.WI.Y.0003.000000T0000Z-210121T0100Z/
Livingston Area-Beartooth Foothills-
Including the cities of Livingston, Fishtail, and McLeod
255 AM MST Wed Jan 20 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 60 mph.

* WHERE...Livingston Area and Beartooth Foothills.

* WHEN...Until 6 PM MST today. Expect the winds to begin to decrease
  by late morning. 

* IMPACTS...Travel will be difficult, especially for high 
  profile vehicles and those towing trailers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Motorists of high profile vehicles should use caution or delay
travel. Use caution if you must drive.

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

$$
Hooley
246 
WWUS75 KBYZ 202101
NPWBYZ

URGENT - WEATHER MESSAGE
National Weather Service Billings MT
201 PM MST Wed Jan 20 2021

MTZ063-141-172-228-202215-
/O.CAN.KBYZ.HW.W.0003.000000T0000Z-210121T0100Z/
Judith Gap-Northern Sweet Grass-Melville Foothills-
Southern Wheatland-
Including the cities of Judith Gap, Big Timber, Melville, 
and Harlowton
201 PM MST Wed Jan 20 2021

...HIGH WIND WARNING IS CANCELLED...

Wind gusts to 45 mph thorugh the afternoon and early afternoon but
strong winds are no longer expected. Winds will taper off
overnight. 

$$

MTZ065-066-202215-
/O.CAN.KBYZ.WI.Y.0003.000000T0000Z-210121T0100Z/
Livingston Area-Beartooth Foothills-
Including the cities of Livingston, Fishtail, and McLeod
201 PM MST Wed Jan 20 2021

...WIND ADVISORY IS CANCELLED...

Wind gusts to 45 mph thorugh the afternoon and early afternoon but
strong winds are no longer expected. Winds will taper off
overnight. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 19, 2:36 AM MSTHigh Wind WarningBYZGolden Valley, Sweet Grass, Wheatland35 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.