Alert archive / Montana / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 64, NWS Billings, MT

June 17, 2014Custer County, Rosebud County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 17, 2014, 4:18 AM MDT for Custer County, Rosebud 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 17, 2014, 4:18 AM MDT (10:18 UTC)
Expired: Jun 17, 2014, 5:00 AM MDT
In force: 42 min
Issued by: NWS Billings, MT
Area: Storm-based polygon

Counties Custer County, MT, Rosebud County, MT

The radar

The Billings radar (KBLX), 194 km from the middle of the area, began a volume at 10:18 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 nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 10.3 hours before the alert went out and 223 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 7 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 1467 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 257 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jun 17, 3:11 AM MDT, 1 hour 7 minutes earlier.

Area forecast discussion, Jun 17, 3:11 AM MDT, 1 hour 7 minutes before

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Hazardous weather outlook, Jun 17, 3:52 AM MDT, 26 minutes before

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</head>
<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <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>
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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 16, 6:50 PM MDT	Special Weather Statement	BYZ	Powder River	40 min
Jun 16, 7:29 PM MDT	Special Weather Statement	BYZ	Powder River	46 min
Jun 16, 8:24 PM MDT	Special Weather Statement	BYZ	Carter	51 min
Jun 17, 2:36 AM MDT	Flash Flood Watch	BYZ	Carter, Custer, Fallon	24 hr
Jun 17, 1:02 PM MDT	Severe Thunderstorm Warning	BYZ	Custer, Fallon	43 min
Jun 17, 1:41 PM MDT	Severe Thunderstorm Warning	BYZ	Custer, Fallon	64 min
Jun 17, 2:15 PM MDT	Tornado Warning	BYZ	Carter	45 min
Jun 17, 2:23 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Fallon	52 min
Jun 17, 2:35 PM MDT	Severe Thunderstorm Warning	BYZ	Custer, Fallon	55 min
Jun 17, 2:44 PM MDT	Tornado Warning	BYZ	Fallon	61 min
Jun 17, 2:59 PM MDT	Tornado Warning	BYZ	Carter	46 min
Jun 17, 3:01 PM MDT	Flash Flood Warning	BYZ	Fallon	6 hr
Jun 17, 3:15 PM MDT	Special Weather Statement	BYZ	Fallon	30 min
Jun 17, 3:45 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	45 min
Jun 17, 3:47 PM MDT	Special Weather Statement	BYZ	Fallon	43 min
Jun 17, 4:00 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	30 min
Jun 17, 4:01 PM MDT	Severe Thunderstorm Warning	BYZ	Fallon	44 min
Jun 17, 4:31 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	29 min
Jun 17, 4:42 PM MDT	Severe Thunderstorm Warning	BYZ	Fallon	33 min

Nearby

Severe Thunderstorm Warnings in Montana, 2014 Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.