Alert archive / Montana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 25, NWS Glasgow, MT

June 8, 2000Valley County, Montana

NWS Glasgow, MT issued this severe thunderstorm warning at Jun 8, 2000, 11:07 PM MDT for Valley County, Montana. It was in force for 53 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 8, 2000, 11:07 PM MDT (05:07 UTC)
Expired: Jun 9, 2000, 12:00 AM MDT
In force: 53 min
Issued by: NWS Glasgow, MT
Area: Whole counties

County Valley County, MT

The nearest sounding before it

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 5.1 hours before the alert went out and 17 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: 833 J/kg
Mixed-layer CIN: -392 J/kg
Mixed-layer LCL: 1283 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 353 m²/s²
0-3 km storm-relative helicity: 344 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Glasgow, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 9:00 PM MDT, 2 hours 7 minutes earlier.

Area forecast discussion, Jun 8, 9:00 PM MDT, 2 hours 7 minutes before

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The office that day

Everything else NWS Glasgow, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 8, 6:12 PM MDT	Severe Thunderstorm Warning	GGW	Prairie	63 min
Jun 8, 6:21 PM MDT	Severe Thunderstorm Warning	GGW	Garfield	54 min
Jun 8, 6:40 PM MDT	Severe Thunderstorm Warning	GGW	McCone	65 min
Jun 8, 7:11 PM MDT	Severe Thunderstorm Warning	GGW	Petroleum	64 min
Jun 8, 7:22 PM MDT	Severe Thunderstorm Warning	GGW	Dawson, Prairie	68 min
Jun 8, 7:38 PM MDT	Severe Thunderstorm Warning	GGW	Garfield	67 min
Jun 8, 8:19 PM MDT	Tornado Warning	GGW	Garfield	56 min
Jun 8, 8:26 PM MDT	Severe Thunderstorm Warning	GGW	Phillips	64 min
Jun 8, 8:59 PM MDT	Severe Thunderstorm Warning	GGW	Valley	61 min
Jun 8, 9:14 PM MDT	Severe Thunderstorm Warning	GGW	Garfield	61 min
Jun 8, 9:39 PM MDT	Severe Thunderstorm Warning	GGW	McCone	66 min
Jun 8, 9:46 PM MDT	Severe Thunderstorm Warning	GGW	Petroleum	59 min
Jun 8, 10:03 PM MDT	Severe Thunderstorm Warning	GGW	Valley	57 min
Jun 8, 10:19 PM MDT	Severe Thunderstorm Warning	GGW	Garfield	56 min
Jun 8, 11:00 PM MDT	Severe Thunderstorm Warning	GGW	Phillips	60 min
Jun 9, 1:19 AM MDT	Severe Thunderstorm Warning	GGW	Valley	56 min
Jun 9, 12:56 PM MDT	Severe Thunderstorm Warning	GGW	Roosevelt	64 min

Nearby

Severe Thunderstorm Warnings in Montana, 2000 Every severe thunderstorm warning in 2000

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.