Alert archive / Montana / High Wind Warnings in 2021

High Wind Warning 10, NWS Glasgow, MT

November 27, 2021Garfield County, Petroleum County, Phillips County, Montana

NWS Glasgow, MT issued this high wind warning at Nov 27, 2021, 1:05 PM MST for Garfield County, Petroleum County, Phillips County, Montana. It took effect at Nov 28, 2021, 8:00 AM MST. It was in force for 11 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
Nov 27, 2021, 1:05 PM MST (20:05 UTC)
In effect from
Nov 28, 2021, 8:00 AM MST
Expired
Nov 28, 2021, 7:11 PM MST
In force
11 hr
Issued by
NWS Glasgow, MT

Counties Garfield County, MT, Petroleum County, MT, Phillips County, MT

The radar

The Glasgow radar (KGGW), 109 km from the middle of the area, began a volume at 20:07 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

Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 8.1 hours before the alert went out and 112 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, Glasgow Intl Airport, MT at 12:00Z on 2021-11-27Temperature 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, Glasgow Intl Airport, MT at 12:00Z on 2021-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -43 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
776 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-43 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

777 
WWUS75 KGGW 272005
NPWGGW

URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
105 PM MST Sat Nov 27 2021

MTZ016-021-059-060-281200-
/O.UPG.KGGW.HW.A.0007.211128T1500Z-211129T0300Z/
/O.NEW.KGGW.HW.W.0010.211128T1500Z-211129T0300Z/
Central and Southeast Phillips-Petroleum-Northern Phillips-
Southwest Phillips-
Including the cities of Malta, Saco, Winnett, Whitewater, 
and Zortman
105 PM MST Sat Nov 27 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 8 PM MST SUNDAY...

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

* WHERE...Central and Southeast Phillips, Petroleum, Northern 
  Phillips and Southwest Phillips Counties.

* WHEN...From 8 AM to 8 PM MST Sunday.

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

* ADDITIONAL DETAILS...US 191 will be impacted by dangerous 
  crosswinds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ022-281200-
/O.NEW.KGGW.HW.W.0010.211128T1500Z-211129T0300Z/
Garfield-
Including the city of Jordan
105 PM MST Sat Nov 27 2021

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 8 PM MST SUNDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 55 mph 
  expected.

* WHERE...Garfield County.

* WHEN...From 8 AM to 8 PM MST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ017-023-281200-
/O.NEW.KGGW.LW.Y.0053.211128T1600Z-211129T1000Z/
Central and Southern Valley-McCone-
Including the city of Fort Peck
105 PM MST Sat Nov 27 2021

...LAKE WIND ADVISORY IN EFFECT FROM 9 AM SUNDAY TO 3 AM MST
MONDAY...

* WHAT...West winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...Central and Southern Valley and McCone Counties.

* WHEN...From 9 AM Sunday to 3 AM MST Monday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$
3 follow-up statements
249 
WWUS75 KGGW 280957
NPWGGW

URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
257 AM MST Sun Nov 28 2021

MTZ016-021-022-059-060-282300-
/O.CON.KGGW.HW.W.0010.211128T1500Z-211129T0300Z/
Central and Southeast Phillips-Petroleum-Garfield-
Northern Phillips-Southwest Phillips-
Including the cities of Malta, Saco, Winnett, Jordan, Whitewater,
and Zortman
257 AM MST Sun Nov 28 2021

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
8 PM MST THIS EVENING...

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

* WHERE...Phillips, Garfield and Petroleum Counties.

* WHEN...From 8 AM this morning to 8 PM MST this evening.

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

* ADDITIONAL DETAILS...US 191 will be impacted by dangerous
  crosswinds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ017-023-282300-
/O.CON.KGGW.LW.Y.0053.211128T1600Z-211129T1000Z/
Central and Southern Valley-McCone-
Including the city of Fort Peck
257 AM MST Sun Nov 28 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
3 AM MST MONDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Fort Peck Lake.

* WHEN...From 9 AM this morning to 3 AM MST Monday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$
528 
WWUS75 KGGW 282158
NPWGGW

URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
258 PM MST Sun Nov 28 2021

MTZ016-021-022-059-060-290300-
/O.CON.KGGW.HW.W.0010.000000T0000Z-211129T0300Z/
Central and Southeast Phillips-Petroleum-Garfield-
Northern Phillips-Southwest Phillips-
Including the cities of Malta, Saco, Winnett, Jordan, Whitewater,
and Zortman
258 PM MST Sun Nov 28 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING...

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

* WHERE...Phillips, Garfield and Petroleum Counties.

* WHEN...Until 8 PM MST this evening.

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

* ADDITIONAL DETAILS...US 191 will be impacted by dangerous 
  crosswinds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MTZ017-023-291200-
/O.EXT.KGGW.LW.Y.0053.000000T0000Z-211129T1300Z/
Central and Southern Valley-McCone-
Including the city of Fort Peck
258 PM MST Sun Nov 28 2021

...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 6 AM MST MONDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph 
  expected.

* WHERE...Fort Peck Lake.

* WHEN...Until 6 AM MST Monday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$
099 
WWUS75 KGGW 290211
NPWGGW

URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
711 PM MST Sun Nov 28 2021

MTZ016-021-022-059-060-290315-
/O.CAN.KGGW.HW.W.0010.000000T0000Z-211129T0300Z/
Central and Southeast Phillips-Petroleum-Garfield-
Northern Phillips-Southwest Phillips-
711 PM MST Sun Nov 28 2021

...HIGH WIND WARNING IS CANCELLED...

The high winds affecting Central Montana did not spill over into
northeast Montana. With light to breezy winds across the region,
the High Wind Warning is being cancelled.

$$

MTZ017-023-291015-
/O.CON.KGGW.LW.Y.0053.000000T0000Z-211129T1300Z/
Central and Southern Valley-McCone-
Including the city of Fort Peck
711 PM MST Sun Nov 28 2021

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST MONDAY...

* WHAT...West winds 10 to 20 mph with gusts up to 30 mph.

* WHERE...McCone and Central and Southern Valley Counties.

* WHEN...Until 6 AM MST Monday.

* IMPACTS...Strong winds and rough waves on area lakes will 
  create hazardous conditions for small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 27, 1:05 PM MSTLake Wind AdvisoryGGWMcCone, Valley38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.