Alert archive / Montana / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 22, NWS Billings, MT

July 18, 2017Carter County, Powder River County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jul 18, 2017, 4:36 PM MDT for Carter County, Powder River County, Montana. It was in force for 54 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 18, 2017, 4:36 PM MDT (22:36 UTC)
Expired: Jul 18, 2017, 5:30 PM MDT
In force: 54 min
Issued by: NWS Billings, MT
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Carter County, MT, Powder River County, MT

The radar

The Rapid City radar (KUDX), 231 km from the middle of the area, began a volume at 22:39 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.

NWS Billings, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 18, 3:07 PM MDT, 1 hour 29 minutes earlier.

Area forecast discussion, Jul 18, 3:07 PM MDT, 1 hour 29 minutes before

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Hazardous weather outlook, Jul 18, 3:56 AM MDT, 12 hours 40 minutes before

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In the hours before

Special weather statement, Jul 18, 3:24 PM MDT, 1 hour 12 minutes before

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Special weather statement, Jul 18, 3:38 PM MDT, 58 minutes before

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Special weather statement, Jul 18, 4:09 PM MDT, 27 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
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Special weather statement, Jul 18, 4:18 PM MDT, 18 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 10:03 PM MDT	Special Weather Statement	BYZ	Carter	42 min
Jul 17, 10:44 PM MDT	Special Weather Statement	BYZ	Carter	31 min
Jul 17, 11:30 PM MDT	Special Weather Statement	BYZ	Carbon	45 min
Jul 18, 3:24 PM MDT	Special Weather Statement	BYZ	Custer	51 min
Jul 18, 3:38 PM MDT	Special Weather Statement	BYZ	Fallon	37 min
Jul 18, 4:09 PM MDT	Special Weather Statement	BYZ	Carter	36 min
Jul 18, 4:18 PM MDT	Special Weather Statement	BYZ	Fallon	27 min
Jul 18, 5:24 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	66 min

Nearby

Severe Thunderstorm Warnings in Montana, 2017 Every severe thunderstorm warning in 2017

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.