Alert archive / Montana / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 56, NWS Great Falls, MT

July 31, 2010Beaverhead County, Madison County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 31, 2010, 7:01 PM MDT for Beaverhead County, Madison County, Montana. It was in force for 25 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 31, 2010, 7:01 PM MDT (01:01 UTC)
Expired: Jul 31, 2010, 7:26 PM MDT
In force: 25 min
Issued by: NWS Great Falls, MT
Area: Storm-based polygon

Counties Beaverhead County, MT, Madison County, MT

The radar

The Pocatello radar (KSFX), 236 km from the middle of the area, began a volume at 01:01 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 31, 1:19 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

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.

NWS Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 31, 5:50 PM MDT, 1 hour 11 minutes earlier.

Area forecast discussion, Jul 31, 5:50 PM MDT, 1 hour 11 minutes before

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Hazardous weather outlook, Jul 31, 4:11 AM MDT, 14 hours 50 minutes before

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In the hours before

Special weather statement, Jul 31, 4:51 PM MDT, 2 hours 10 minutes before

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Special weather statement, Jul 31, 5:24 PM MDT, 1 hour 37 minutes before

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Special weather statement, Jul 31, 6:04 PM MDT, 57 minutes before

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Special weather statement, Jul 31, 6:07 PM MDT, 54 minutes before

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Local storm report, Jul 31, 6:33 PM MDT, 28 minutes before

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Special weather statement, Jul 31, 6:55 PM MDT, 6 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
Jul 31, 6:04 PM MDT	Special Weather Statement	TFX	Gallatin	11 min
Jul 31, 6:07 PM MDT	Special Weather Statement	TFX	Chouteau	38 min
Jul 31, 6:55 PM MDT	Special Weather Statement	TFX	Beaverhead	35 min
Aug 1, 2:02 PM MDT	Special Weather Statement	TFX	Teton	43 min
Aug 1, 2:15 PM MDT	Special Weather Statement	TFX	Meagher	45 min
Aug 1, 2:39 PM MDT	Special Weather Statement	TFX	Teton	51 min
Aug 1, 2:43 PM MDT	Special Weather Statement	TFX	Pondera	47 min
Aug 1, 3:24 PM MDT	Special Weather Statement	TFX	Cascade	51 min
Aug 1, 3:41 PM MDT	Special Weather Statement	TFX	Liberty	49 min
Aug 1, 3:52 PM MDT	Special Weather Statement	TFX	Judith Basin	68 min
Aug 1, 4:19 PM MDT	Special Weather Statement	TFX	Chouteau	56 min
Aug 1, 5:11 PM MDT	Severe Thunderstorm Warning	TFX	Gallatin	20 min
Aug 1, 5:46 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Hill	44 min

Nearby

Severe Thunderstorm Warnings in Montana, 2010 Every severe thunderstorm warning in 2010

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.