Alert archive / Montana / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 7, NWS Glasgow, MT

June 14, 2019Petroleum County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jun 14, 2019, 2:18 PM MDT for Petroleum County, Montana. It was in force for 42 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: Jun 14, 2019, 2:18 PM MDT (20:18 UTC)
Expired: Jun 14, 2019, 3:00 PM MDT
In force: 42 min
Issued by: NWS Glasgow, MT
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Petroleum County, MT

The radar

The Billings radar (KBLX), 143 km from the middle of the area, began a volume at 20:22 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 Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 1:27 PM MDT, 51 minutes earlier.

Area forecast discussion, Jun 14, 1:27 PM MDT, 51 minutes before

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In the hours before

Special weather statement, Jun 14, 1:02 PM MDT, 1 hour 16 minutes before

Special Weather Statement
National Weather Service Glasgow MT
102 PM MDT Fri Jun 14 2019

MTZ016-060-142000-
Southwest Phillips-Central and Southeast Phillips-
102 PM MDT Fri Jun 14 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN PHILLIPS AND
NORTHERN PETROLEUM COUNTIES...

At 101 PM MDT, a couple strong thunderstorms were located just
northwest and southeast of the Zortman area, moving southeast at 20
mph.

Wind gusts of 50 to 55 mph and nickel size hail are possible with
these storms.

Locations impacted include...
Zortman, Fourchette and Landusky.

These storms 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 4792 10889 4792 10863 4799 10861 4798 10855
      4798 10844 4805 10843 4783 10779 4759 10805
      4759 10813 4758 10815 4785 10889
TIME...MOT...LOC 1901Z 296DEG 16KT 4782 10839

Mottice

Special weather statement, Jun 14, 1:14 PM MDT, 1 hour 4 minutes before

Special Weather Statement
National Weather Service Glasgow MT
114 PM MDT Fri Jun 14 2019

MTZ021-142015-
Petroleum-
114 PM MDT Fri Jun 14 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN PETROLEUM COUNTY...

At 112 PM MDT, a strong thunderstorm was located 12 miles southwest
of Flatwillow, or 21 miles north of Roundup, moving east at 20 mph.
This storm will be slow to move across Highway 87 and may lead to
localized flooding.

Wind gusts of 50 to 55 mph and nickel size hail are possible with
this storm.

Locations impacted include...
Flatwillow.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4684 10863 4684 10862 4691 10861 4686 10836
      4676 10822 4675 10863
TIME...MOT...LOC 1912Z 263DEG 16KT 4675 10863

Mottice

Special weather statement, Jun 14, 2:01 PM MDT, 17 minutes before

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Special weather statement, Jun 14, 2:05 PM MDT, 13 minutes before

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Special weather statement, Jun 14, 2:06 PM MDT, 12 minutes before

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<body>
  <main class="wrap">
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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">
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 11:20 PM MDT	Special Weather Statement	GGW	Valley	40 min
Jun 13, 11:54 PM MDT	Special Weather Statement	GGW	Valley	66 min
Jun 14, 12:58 AM MDT	Special Weather Statement	GGW	McCone	62 min
Jun 14, 1:02 PM MDT	Special Weather Statement	GGW		58 min
Jun 14, 1:14 PM MDT	Special Weather Statement	GGW	Musselshell	61 min
Jun 14, 1:21 PM MDT	Severe Thunderstorm Warning	GGW	Petroleum	39 min
Jun 14, 2:01 PM MDT	Special Weather Statement	GGW		59 min
Jun 14, 2:05 PM MDT	Special Weather Statement	GGW	Fallon	40 min
Jun 14, 2:06 PM MDT	Special Weather Statement	GGW	Petroleum	84 min
Jun 14, 2:26 PM MDT	Special Weather Statement	GGW	Sheridan	49 min
Jun 14, 2:49 PM MDT	Special Weather Statement	GGW	Richland	56 min
Jun 14, 2:51 PM MDT	Special Weather Statement	GGW		54 min
Jun 14, 3:01 PM MDT	Special Weather Statement	GGW	Sheridan	44 min
Jun 14, 3:05 PM MDT	Special Weather Statement	GGW	Garfield	85 min
Jun 14, 3:24 PM MDT	Areal Flood Advisory	GGW	Garfield, Petroleum	3 hr
Jun 14, 5:22 PM MDT	Special Weather Statement	GGW	Valley	38 min

Nearby

Severe Thunderstorm Warnings in Montana, 2019 Every severe thunderstorm warning in 2019

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.