Alert archive / Montana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 45, NWS Billings, MT

June 18, 1997Fallon County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 18, 1997, 6:16 PM MDT for Fallon County, Montana. It was in force for 64 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 18, 1997, 6:16 PM MDT (00:16 UTC)
Expired: Jun 18, 1997, 7:20 PM MDT
In force: 64 min
Issued by: NWS Billings, MT
Area: Whole counties

County Fallon County, MT

What was reported inside it

Time	Report	Where	Remark
Jun 18, 6:54 PM MDT	Thunderstorm Wind 52	Baker, MT

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 18, 4:45 PM MDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.3 hours before the alert went out and 288 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1435 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 88 m²/s²
0-3 km storm-relative helicity: 245 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 18, 2:00 PM MDT, 4 hours 16 minutes earlier.

Area forecast discussion, Jun 18, 2:00 PM MDT, 4 hours 16 minutes before

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In the hours before

Local storm report, Jun 18, 1:34 PM MDT, 4 hours 42 minutes before

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  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <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
Jun 18, 6:01 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud	59 min
Jun 18, 7:05 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Powder River, Rosebud	60 min
Jun 18, 7:21 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	59 min
Jun 18, 8:51 PM MDT	Severe Thunderstorm Warning	BYZ	Yellowstone	64 min
Jun 18, 9:34 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	61 min
Jun 18, 10:32 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud	63 min
Jun 19, 4:32 AM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	63 min

Nearby

Severe Thunderstorm Warnings in Montana, 1997 Every severe thunderstorm warning in 1997

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.