Alert archive / Montana / Special Weather Statements in 2021

Special Weather Statement, NWS Glasgow, MT

August 4, 2021Garfield County, Montana

NWS Glasgow, MT issued this special weather statement at Aug 4, 2021, 4:15 PM MDT for Garfield County, Montana. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 4, 2021, 4:15 PM MDT (22:15 UTC)
Expired: Aug 4, 2021, 5:15 PM MDT
In force: 60 min
Issued by: NWS Glasgow, MT
Hail: 0.25 in
Wind: 30

County Garfield County, MT

The radar

The Glasgow radar (KGGW), 115 km from the middle of the area, began a volume at 22:18 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 text

As transmitted.

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What forecasters said that day

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

NWS Glasgow, MT wrote its last area forecast discussion before this special weather statement went out at Aug 4, 2:57 PM MDT, 1 hour 18 minutes earlier.

Area forecast discussion, Aug 4, 2:57 PM MDT, 1 hour 18 minutes before

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In the hours before

Special weather statement, Aug 4, 2:14 PM MDT, 2 hours 1 minute before

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Special weather statement, Aug 4, 3:30 PM MDT, 45 minutes before

Special Weather Statement
National Weather Service Glasgow MT
330 PM MDT Wed Aug 4 2021

MTZ025-026-042230-
Dawson MT-Prairie MT-
330 PM MDT Wed Aug 4 2021

...A strong thunderstorm will impact portions of Prairie and
southwestern Dawson Counties through 430 PM MDT...

At 329 PM MDT, Doppler radar was tracking a strong thunderstorm 19
miles east of Hillside, or 34 miles southwest of Circle, moving
southeast at 45 mph.

HAZARD...Winds in excess of 30 mph and small hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Terry, Fallon, Zero, Mccloud and Calypso.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4660 10545 4660 10549 4666 10549 4666 10558
      4674 10558 4675 10562 4683 10562 4683 10583
      4686 10584 4692 10605 4699 10608 4709 10608
      4707 10533 4698 10532 4698 10520 4692 10520
      4689 10503 4657 10505 4657 10545
TIME...MOT...LOC 2129Z 294DEG 37KT 4701 10601

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH

NWS Glasgow

Special weather statement, Aug 4, 4:15 PM MDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 2:14 PM MDT	Special Weather Statement	GGW		31 min
Aug 4, 3:30 PM MDT	Special Weather Statement	GGW	Prairie	60 min
Aug 4, 5:15 PM MDT	Special Weather Statement	GGW	Prairie	60 min

Nearby

Special Weather Statements in Montana, 2021 Every special weather statement 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; radar from the NEXRAD Level II archive.