Alert archive / Montana / High Wind Warnings in 2021

High Wind Warning 20, NWS Great Falls, MT

December 18, 2021

NWS Great Falls, MT issued this high wind warning at Dec 18, 2021, 3:09 AM MST. It took effect at Dec 18, 2021, 6:00 AM MST. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 18, 2021, 3:09 AM MST (10:09 UTC)
In effect from
Dec 18, 2021, 6:00 AM MST
Expired
Dec 19, 2021, 3:26 AM MST
In force
21 hr
Issued by
NWS Great Falls, MT

The text

As transmitted.

754 
WWUS75 KTFX 181009
NPWTFX

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
309 AM MST Sat Dec 18 2021

MTZ010-181115-
/O.CAN.KTFX.HW.A.0024.211218T1300Z-211219T1200Z/
Eastern Glacier-
Including the following locations: Cut Bank
309 AM MST Sat Dec 18 2021


$$

MTZ009-048-182300-
/O.UPG.KTFX.HW.A.0024.211218T1300Z-211219T1200Z/
/O.NEW.KTFX.HW.W.0020.211218T1300Z-211219T1600Z/
Northern Rocky Mountain Front-Southern Rocky Mountain Front-
Including the following locations: Marias Pass, Bynum, Choteau,
Browning, Heart Butte, Logan Pass, and Augusta
309 AM MST Sat Dec 18 2021

...HIGH WIND WARNING IN EFFECT UNTIL 9 AM MST SUNDAY...

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

* WHERE...The Rocky Mountain Front.

* WHEN...Until 9 AM MST Sunday.

* IMPACTS...High winds may move loose debris, damage property and 
  cause power outages. Travel could be difficult, especially for 
  high profile vehicles.

* ADDITIONAL DETAILS...Areas of blowing snow will reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown around 
or damaged by the wind.

&&

$$

mpj
2 follow-up statements
963 
WWUS75 KTFX 181631
NPWTFX

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
931 AM MST Sat Dec 18 2021

MTZ010-191215-
/O.EXB.KTFX.HW.W.0020.211218T1900Z-211219T1600Z/
Eastern Glacier-
Including the following locations: Cut Bank
931 AM MST Sat Dec 18 2021

...HIGH WIND WARNING IN EFFECT UNTIL 9 AM MST SUNDAY...

* WHAT...Southwest winds 30 to 40 mph, with gusts up to 70 mph, are 
  expected.

* WHERE...Eastern Glacier County.

* WHEN...Until 9 AM MST Sunday.

* IMPACTS...High winds may move loose debris, damage property and 
  cause power outages. Travel could be difficult, especially for 
  high profile vehicles.

* ADDITIONAL DETAILS...The strongest period of winds are expected 
  from approximately 6 PM Saturday through 3 AM Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown around 
or damaged by the wind.

&&

$$

MTZ009-048-191215-
/O.CON.KTFX.HW.W.0020.000000T0000Z-211219T1600Z/
Northern Rocky Mountain Front-Southern Rocky Mountain Front-
Including the following locations: Marias Pass, Bynum, Choteau,
Browning, Heart Butte, Logan Pass, and Augusta
931 AM MST Sat Dec 18 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 AM MST SUNDAY...

* WHAT...Southwest winds 40 to 50 mph, with gusts up to 85 mph.

* WHERE...The Rocky Mountain Front.

* WHEN...Until 9 AM MST Sunday.

* IMPACTS...High winds may move loose debris, damage property and 
  cause power outages. Travel could be difficult, especially for 
  high profile vehicles.

* ADDITIONAL DETAILS...Areas of blowing snow will reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown around 
or damaged by the wind.

&&

$$

Moldan
137 
WWUS75 KTFX 191026
NPWTFX

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
326 AM MST Sun Dec 19 2021

MTZ009-010-048-191130-
/O.CAN.KTFX.HW.W.0020.000000T0000Z-211219T1600Z/
Northern Rocky Mountain Front-Eastern Glacier-Southern Rocky
Mountain Front-
Including the following locations: Marias Pass, Bynum, Choteau,
Browning, Heart Butte, Logan Pass, Augusta, and Cut Bank
326 AM MST Sun Dec 19 2021

...HIGH WIND WARNING IS CANCELLED...

The strongest wind gusts have subsided. The threat has ended.

$$

AM

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 18, 3:08 AM MSTWinter Storm WarningTFX35 hr
Dec 18, 12:59 PM MSTWinter Weather AdvisoryTFX38 hr

Nearby

High Wind Warnings in Montana, 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.