Alert archive / Montana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 19, NWS Great Falls, MT

June 15, 1995Toole County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jun 15, 1995, 7:29 PM MDT for Toole County, Montana. It was in force for 61 min.

The area

The counties it named.

The facts

Issued: Jun 15, 1995, 7:29 PM MDT (01:29 UTC)
Expired: Jun 15, 1995, 8:30 PM MDT
In force: 61 min
Issued by: NWS Great Falls, MT
Area: Whole counties

County Toole County, MT

The radar

The Great Falls radar (KTFX), 135 km from the middle of the area, began a volume at 01:31 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

Great_falls, MT (KTFX), launched 00:00Z, 1.5 hours before the alert went out and 156 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: 2002 J/kg
Mixed-layer CIN: -59 J/kg
Mixed-layer LCL: 960 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 110 m²/s²
0-3 km storm-relative helicity: 256 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 7.7

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.

In the hours before

Special weather statement, Jun 15, 2:13 PM MDT, 5 hours 16 minutes before

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Special weather statement, Jun 15, 3:10 PM MDT, 4 hours 19 minutes before

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Special weather statement, Jun 15, 3:14 PM MDT, 4 hours 15 minutes before

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Special weather statement, Jun 15, 3:17 PM MDT, 4 hours 12 minutes before

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Special weather statement, Jun 15, 4:12 PM MDT, 3 hours 17 minutes before

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      <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.
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      <p id="message2">
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Special weather statement, Jun 15, 4:15 PM MDT, 3 hours 14 minutes before

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      <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>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        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 Great Falls, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 15, 6:05 PM MDT	Severe Thunderstorm Warning	TFX	Glacier, Pondera	55 min
Jun 15, 6:05 PM MDT	Severe Thunderstorm Warning	TFX	Teton	55 min
Jun 15, 7:07 PM MDT	Severe Thunderstorm Warning	TFX	Glacier, Pondera	68 min
Jun 15, 7:29 PM MDT	Severe Thunderstorm Warning	TFX	Meagher	61 min
Jun 15, 8:33 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	57 min
Jun 15, 8:51 PM MDT	Severe Thunderstorm Warning	TFX	Cascade, Judith Basin, Lewis and Clark	69 min
Jun 15, 9:34 PM MDT	Severe Thunderstorm Warning	TFX	Chouteau, Pondera, Teton	56 min
Jun 15, 10:23 PM MDT	Severe Thunderstorm Warning	TFX	Blaine, Fergus	67 min
Jun 15, 10:50 PM MDT	Severe Thunderstorm Warning	TFX	Liberty, Toole	55 min
Jun 16, 4:10 PM MDT	Severe Thunderstorm Warning	TFX	Cascade	50 min
Jun 16, 4:42 PM MDT	Severe Thunderstorm Warning	TFX	Chouteau	48 min
Jun 16, 5:49 PM MDT	Severe Thunderstorm Warning	TFX	Meagher	41 min

Nearby

Severe Thunderstorm Warnings in Montana, 1995 Every severe thunderstorm warning in 1995

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.