Alert archive / Montana / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 30, NWS Great Falls, MT

July 2, 2022Glacier County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 2, 2022, 6:59 PM MDT for Glacier County, Montana. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 2, 2022, 6:59 PM MDT (00:59 UTC)
Expired
Jul 2, 2022, 7:45 PM MDT
In force
46 min
Issued by
NWS Great Falls, MT
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Glacier County, MT

The radar

The Great Falls radar (KTFX), 183 km from the middle of the area, began a volume at 01:03 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 2, 6:01 PM MDT, 58 minutes before
Special Weather Statement
National Weather Service Great Falls MT
601 PM MDT Sat Jul 2 2022

MTZ009-010-030030-
Northern Rocky Mountain Front MT-Eastern Glacier MT-
601 PM MDT Sat Jul 2 2022

...A strong thunderstorm will impact portions of north central
Glacier County through 630 PM MDT...

At 600 PM MDT, Doppler radar was tracking a strong thunderstorm 23
miles north of North Browning, or 40 miles northwest of Cut Bank,
moving southeast at 30 mph.

HAZARD...Winds up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

This storm will remain over mainly rural areas of north central
Glacier County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4892 11263 4856 11293 4886 11332 4900 11317
      4900 11297
TIME...MOT...LOC 0000Z 293DEG 25KT 4890 11311

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

RCG
Special weather statement, Jul 2, 6:34 PM MDT, 25 minutes before
Special Weather Statement
National Weather Service Great Falls MT
634 PM MDT Sat Jul 2 2022

MTZ014-048-030115-
Southern Rocky Mountain Front MT-
Central and Southern Lewis and Clark MT-
634 PM MDT Sat Jul 2 2022

...Strong thunderstorms will impact portions of central Lewis and
Clark County through 715 PM MDT...

At 634 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 11 miles northwest of Lincoln to 20 miles west
of Helena. Movement was northeast at 30 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Lincoln, Wolf Creek, Marysville, Canyon Creek, Nilan Reservoir and
Bean Lake.

This includes the following highways...
 Interstate 15 between mile markers 212 and 230.
 Highway 200 between mile markers 66 and 104.
 Highway 287 between mile markers 1  and 4 .

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4757 11254 4693 11190 4666 11234 4666 11241
      4670 11242 4670 11253 4684 11254 4684 11280
      4717 11279 4718 11292
TIME...MOT...LOC 0034Z 216DEG 24KT 4709 11283 4669 11243

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

ML

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 6:01 PM MDTSpecial Weather StatementTFXGlacier29 min
Jul 2, 6:28 PM MDTSevere Thunderstorm WarningTFXGlacier32 min
Jul 2, 6:34 PM MDTSpecial Weather StatementTFXLewis and Clark41 min
Jul 2, 7:16 PM MDTSpecial Weather StatementTFXCascade, Teton44 min
Jul 2, 7:44 PM MDTSevere Thunderstorm Warning Considerable damage threatTFXGlacier46 min
Jul 2, 8:08 PM MDTSpecial Weather StatementTFXCascade52 min
Jul 2, 8:25 PM MDTSevere Thunderstorm WarningTFXCascade, Chouteau, Judith Basin, Pondera, Teton35 min
Jul 2, 8:29 PM MDTSevere Thunderstorm WarningTFXGlacier, Toole46 min
Jul 2, 9:03 PM MDTSpecial Weather StatementTFXChouteau27 min
Jul 2, 9:14 PM MDTSevere Thunderstorm WarningTFXToole44 min
Jul 2, 9:59 PM MDTSpecial Weather StatementTFXLiberty46 min
Jul 3, 8:45 AM MDTSpecial Weather StatementTFXBeaverhead45 min
Jul 3, 12:20 PM MDTSevere Thunderstorm WarningTFXBeaverhead40 min
Jul 3, 12:55 PM MDTSevere Thunderstorm Warning Considerable damage threatTFXBeaverhead65 min
Jul 3, 1:50 PM MDTSpecial Weather StatementTFXFergus25 min
Jul 3, 1:53 PM MDTSevere Thunderstorm WarningTFXBeaverhead, Gallatin, Madison52 min
Jul 3, 2:16 PM MDTSpecial Weather StatementTFXFergus29 min
Jul 3, 2:42 PM MDTSpecial Weather StatementTFXGallatin33 min
Jul 3, 2:44 PM MDTSpecial Weather StatementTFX46 min
Jul 3, 2:46 PM MDTSpecial Weather StatementTFXFergus29 min
Jul 3, 3:34 PM MDTSpecial Weather StatementTFXBeaverhead56 min
Jul 3, 4:14 PM MDTSpecial Weather StatementTFX31 min
Jul 3, 4:19 PM MDTSpecial Weather StatementTFXBeaverhead26 min
Jul 3, 4:30 PM MDTSpecial Weather StatementTFXBeaverhead30 min
Jul 3, 4:44 PM MDTSpecial Weather StatementTFXDeer Lodge31 min
Jul 3, 4:48 PM MDTSpecial Weather StatementTFX27 min
Jul 3, 5:26 PM MDTSpecial Weather StatementTFXMadison49 min

Nearby

Severe Thunderstorm Warnings in Montana, 2022Every severe thunderstorm warning in 2022

Sources

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