Alert archive / Montana / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 101, NWS Billings, MT

June 25, 2005Powder River County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 25, 2005, 6:13 PM MDT for Powder River County, Montana. It was in force for 47 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 25, 2005, 6:13 PM MDT (00:13 UTC)
Expired: Jun 25, 2005, 7:00 PM MDT
In force: 47 min
Issued by: NWS Billings, MT
Area: Counties, with a storm outline in the text

County Powder River County, MT

The radar

The Billings radar (KBLX), 237 km from the middle of the area, began a volume at 00:16 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jun 25, 1:45 PM MDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 00:00Z, 0.2 hours before the alert went out and 262 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: 1120 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 2171 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 13 m²/s²
0-3 km storm-relative helicity: 33 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 25, 5:08 PM MDT, 1 hour 5 minutes earlier.

Area forecast discussion, Jun 25, 5:08 PM MDT, 1 hour 5 minutes before

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Hazardous weather outlook, Jun 25, 5:22 PM MDT, 51 minutes before

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In the hours before

Local storm report, Jun 25, 3:56 PM MDT, 2 hours 17 minutes before

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Local storm report, Jun 25, 4:41 PM MDT, 1 hour 32 minutes before

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Local storm report, Jun 25, 4:58 PM MDT, 1 hour 15 minutes before

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Special weather statement, Jun 25, 5:10 PM MDT, 1 hour 3 minutes before

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Local storm report, Jun 25, 5:46 PM MDT, 27 minutes before

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Local storm report, Jun 25, 5:55 PM MDT, 18 minutes before

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      <p id="message1">
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      </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
Jun 25, 6:10 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud	35 min
Jun 25, 7:10 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud	35 min
Jun 25, 7:47 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud	30 min
Jun 26, 1:43 PM MDT	Severe Thunderstorm Warning	BYZ	Custer	32 min
Jun 26, 3:25 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	65 min
Jun 26, 3:43 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Fallon	22 min
Jun 26, 4:01 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	59 min
Jun 26, 4:27 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	33 min
Jun 26, 4:37 PM MDT	Flash Flood Warning	BYZ	Carter, Powder River	6 hr
Jun 26, 4:58 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Powder River	62 min
Jun 26, 5:20 PM MDT	Flash Flood Warning	BYZ	Big Horn, Rosebud, Treasure	3 hr
Jun 26, 5:50 PM MDT	Severe Thunderstorm Warning	BYZ	Fallon	25 min

Nearby

Severe Thunderstorm Warnings in Montana, 2005 Every severe thunderstorm warning in 2005

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.