Alert archive / Montana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 63, NWS Billings, MT

June 28, 1997Rosebud County, Treasure County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 28, 1997, 9:38 PM MDT for Rosebud County, Treasure County, Montana. It was in force for 62 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 28, 1997, 9:38 PM MDT (03:38 UTC)
Expired: Jun 28, 1997, 10:40 PM MDT
In force: 62 min
Issued by: NWS Billings, MT
Area: Whole counties

Counties Rosebud County, MT, Treasure County, MT

The nearest sounding before it

Great_falls, MT (KTFX), launched 00:00Z, 3.6 hours before the alert went out and 306 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: 568 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 2249 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 1 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 28, 8:03 PM MDT, 1 hour 35 minutes earlier.

Area forecast discussion, Jun 28, 8:03 PM MDT, 1 hour 35 minutes before

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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 28, 7:04 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	61 min
Jun 28, 7:19 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Wheatland	61 min
Jun 28, 8:30 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Custer, Fallon	65 min
Jun 29, 4:35 PM MDT	Tornado Warning	BYZ	Wheatland	65 min
Jun 29, 5:07 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud, Treasure	63 min
Jun 29, 5:30 PM MDT	Severe Thunderstorm Warning	BYZ	Sweet Grass	65 min
Jun 29, 5:42 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Wheatland	63 min
Jun 28, 6:09 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	61 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; the sounding from the Mesonet's radiosonde archive.