Alert archive / Montana / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 32, NWS Great Falls, MT

June 14, 2006Chouteau County, Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jun 14, 2006, 4:02 PM MDT for Chouteau County, Montana. It was in force for 43 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, 2006, 4:02 PM MDT (22:02 UTC)
Expired: Jun 14, 2006, 4:45 PM MDT
In force: 43 min
Issued by: NWS Great Falls, MT
Area: Counties, with a storm outline in the text

County Chouteau County, MT

The radar

The Great Falls radar (KTFX), 85 km from the middle of the area, began a volume at 22:02 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 12:00Z, 10.0 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: 1010 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 179 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 2:41 PM MDT, 1 hour 21 minutes earlier.

Area forecast discussion, Jun 14, 2:41 PM MDT, 1 hour 21 minutes before

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Hazardous weather outlook, Jun 14, 5:22 AM MDT, 10 hours 40 minutes before

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In the hours before

Local storm report, Jun 14, 4:01 PM MDT, 1 minute before

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Local storm report, Jun 14, 4:02 PM MDT, 0 minutes before

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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 13, 7:17 PM MDT	Severe Thunderstorm Warning	TFX	Glacier	58 min
Jun 13, 7:28 PM MDT	Severe Thunderstorm Warning	TFX	Teton	62 min
Jun 13, 8:09 PM MDT	Severe Thunderstorm Warning	TFX	Glacier	66 min
Jun 13, 8:30 PM MDT	Severe Thunderstorm Warning	TFX	Teton	60 min
Jun 13, 8:40 PM MDT	Tornado Warning	TFX	Glacier	35 min
Jun 13, 8:46 PM MDT	Severe Thunderstorm Warning	TFX	Pondera	44 min
Jun 13, 9:15 PM MDT	Severe Thunderstorm Warning	TFX	Glacier	60 min
Jun 13, 10:23 PM MDT	Severe Thunderstorm Warning	TFX	Judith Basin	39 min
Jun 14, 2:44 AM MDT	Severe Thunderstorm Warning	TFX	Fergus	31 min

Nearby

Severe Thunderstorm Warnings in Montana, 2006 Every severe thunderstorm warning in 2006

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.