Alert archive / Montana / Special Weather Statements in 2020

Special Weather Statement, NWS Great Falls, MT

August 3, 2020Fergus County, Montana

NWS Great Falls, MT issued this special weather statement at Aug 3, 2020, 10:55 PM MDT for Fergus County, Montana. It was in force for 50 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 3, 2020, 10:55 PM MDT (04:55 UTC)
Expired: Aug 3, 2020, 11:45 PM MDT
In force: 50 min
Issued by: NWS Great Falls, MT

County Fergus County, MT

The radar

The Billings radar (KBLX), 114 km from the middle of the area, began a volume at 04:54 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 Great Falls, MT wrote its last area forecast discussion before this special weather statement went out at Aug 3, 5:48 PM MDT, 5 hours 7 minutes earlier.

Area forecast discussion, Aug 3, 5:48 PM MDT, 5 hours 7 minutes before

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In the hours before

Special weather statement, Aug 3, 5:13 PM MDT, 5 hours 42 minutes before

Special Weather Statement
National Weather Service Great Falls MT
513 PM MDT Mon Aug 3 2020

MTZ013-032345-
Chouteau-
513 PM MDT Mon Aug 3 2020

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL CHOUTEAU COUNTY...

At 512 PM MDT, a strong thunderstorm was located 14 miles west of
Fort Benton, moving east at 25 mph.

Winds in excess of 40 mph and penny size hail are possible with this
storm.

Locations impacted include...
Fort Benton, Carter and Floweree.

This includes Highway 87 between mile markers 22 and 42.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding.

Cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4770 11105 4781 11107 4790 11067 4769 11064
TIME...MOT...LOC 2312Z 260DEG 26KT 4777 11095

RCG

Special weather statement, Aug 3, 5:21 PM MDT, 5 hours 34 minutes before

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Special weather statement, Aug 3, 5:28 PM MDT, 5 hours 27 minutes before

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Special weather statement, Aug 3, 5:34 PM MDT, 5 hours 21 minutes before

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Special weather statement, Aug 3, 5:36 PM MDT, 5 hours 19 minutes before

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Special weather statement, Aug 3, 5:46 PM MDT, 5 hours 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 6:02 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	28 min
Aug 3, 6:16 PM MDT	Special Weather Statement	TFX	Gallatin	29 min
Aug 3, 6:47 PM MDT	Special Weather Statement	TFX	Gallatin	28 min
Aug 3, 7:15 PM MDT	Special Weather Statement	TFX	Gallatin	30 min

Nearby

Special Weather Statements in Montana, 2020 Every special weather statement in 2020

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.