Alert archive / Montana / High Wind Warnings in 2021

High Wind Warning 5, NWS Glasgow, MT

February 22, 20217 counties in Montana

NWS Glasgow, MT issued this high wind warning at Feb 22, 2021, 5:53 PM MST for 7 counties in Montana. It took effect at Feb 23, 2021, 2:00 AM MST. It was in force for 12 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
Feb 22, 2021, 5:53 PM MST (00:53 UTC)
In effect from
Feb 23, 2021, 2:00 AM MST
Expired
Feb 23, 2021, 2:00 PM MST
In force
12 hr
Issued by
NWS Glasgow, MT

Counties Dawson County, MT, Garfield County, MT, McCone County, MT, Petroleum County, MT, Phillips County, MT, Prairie County, MT, Wibaux County, MT

The radar

The Glasgow radar (KGGW), 101 km from the middle of the area, began a volume at 00:56 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 00:00Z, 0.9 hours before the alert went out and 102 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 00:00Z on 2021-02-23Temperature 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 00:00Z on 2021-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939587897117136156175Sfc1 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
1944 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

963 
WWUS75 KGGW 230053
NPWGGW

URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
553 PM MST Mon Feb 22 2021

MTZ016-021-022-060-231200-
/O.EXP.KGGW.HW.W.0004.000000T0000Z-210223T0100Z/
/O.NEW.KGGW.HW.W.0005.210223T0900Z-210223T2100Z/
Central and Southeast Phillips-Petroleum-Garfield-
Southwest Phillips-
Including the cities of Malta, Saco, Winnett, Jordan, and Zortman
553 PM MST Mon Feb 22 2021

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 2 PM MST TUESDAY...
...HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS EVENING...

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

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

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

* 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.

&&

$$

MTZ023-025>027-231200-
/O.EXP.KGGW.HW.W.0004.000000T0000Z-210223T0100Z/
/O.NEW.KGGW.HW.W.0005.210223T0900Z-210223T2100Z/
McCone-Dawson-Prairie-Wibaux-
Including the cities of Circle, Glendive, Richey, Terry, 
and Wibaux
553 PM MST Mon Feb 22 2021

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 2 PM MST TUESDAY...
...HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS EVENING...

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

* WHERE...McCone, Dawson, Prairie and Wibaux Counties.

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

* 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.

&&

$$

MTZ059-230200-
/O.EXP.KGGW.HW.W.0004.000000T0000Z-210223T0100Z/
Northern Phillips-
Including the city of Whitewater
553 PM MST Mon Feb 22 2021

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS EVENING...

Winds have fallen below warning criteria, therefore the current
High Wind Warning will be allowed to expire.

$$

MTZ017-230200-
/O.EXP.KGGW.HW.W.0004.000000T0000Z-210223T0100Z/
Central and Southern Valley-
Including the cities of Glasgow, Fort Peck, Hinsdale, and Frazer
553 PM MST Mon Feb 22 2021

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS EVENING...

Winds have fallen below warning criteria, therefore the current
High Wind Warning will be allowed to expire.

$$
3 follow-up statements
875 
WWUS75 KGGW 231000
NPWGGW

URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
300 AM MST Tue Feb 23 2021

MTZ016-021>023-025>027-060-232100-
/O.CON.KGGW.HW.W.0005.000000T0000Z-210223T2100Z/
Central and Southeast Phillips-Petroleum-Garfield-McCone-Dawson-
Prairie-Wibaux-Southwest Phillips-
Including the cities of Malta, Saco, Winnett, Jordan, Circle, 
Glendive, Richey, Terry, Wibaux, and Zortman
300 AM MST Tue Feb 23 2021

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

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

* WHERE...Portions of northeast Montana.

* WHEN...Until 2 PM MST this afternoon.

* 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.

&&

$$
764 
WWUS75 KGGW 231730
NPWGGW

URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
1030 AM MST Tue Feb 23 2021

MTZ016-021>023-025>027-060-232100-
/O.CON.KGGW.HW.W.0005.000000T0000Z-210223T2100Z/
Central and Southeast Phillips-Petroleum-Garfield-McCone-Dawson-
Prairie-Wibaux-Southwest Phillips-
Including the cities of Malta, Saco, Winnett, Jordan, Circle, 
Glendive, Richey, Terry, Wibaux, and Zortman
1030 AM MST Tue Feb 23 2021

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

* WHAT...Northwest winds 20 to 30 mph with gusts up to 55 mph.

* WHERE...Portions of northeast Montana.

* WHEN...Until 2 PM MST this afternoon.

* 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.

&&

$$
288 
WWUS75 KGGW 232049
NPWGGW

URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
149 PM MST Tue Feb 23 2021

MTZ016-021>023-025>027-060-232200-
/O.EXP.KGGW.HW.W.0005.000000T0000Z-210223T2100Z/
Central and Southeast Phillips-Petroleum-Garfield-McCone-Dawson-
Prairie-Wibaux-Southwest Phillips-
Including the cities of Malta, Saco, Winnett, Jordan, Circle, 
Glendive, Richey, Terry, Wibaux, and Zortman
149 PM MST Tue Feb 23 2021

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

Winds have diminished below high wind warning criteria. As a
result, the warning will be allowed to expire at 2 pm MST. 

$$

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.