Alert archive / Montana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 18, NWS Billings, MT

June 9, 2000Carter County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 9, 2000, 5:17 PM MDT for Carter County, Montana. It was in force for 58 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 9, 2000, 5:17 PM MDT (23:17 UTC)
Expired: Jun 9, 2000, 6:15 PM MDT
In force: 58 min
Issued by: NWS Billings, MT
Area: Whole counties

County Carter County, MT

The radar

The Rapid City radar (KUDX), 205 km from the middle of the area, began a volume at 23:18 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.

What was reported inside it

Time	Report	Where	Remark
Jun 9, 5:20 PM MDT	Hail 1	Ekalaka, MT	Wind gusts 60 to 70 mph.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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 9, 4:45 PM MDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 11.3 hours before the alert went out and 207 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: 3301 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 53 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 9, 4:25 PM MDT, 52 minutes earlier.

Area forecast discussion, Jun 9, 4:25 PM MDT, 52 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 9, 2:16 PM MDT	Severe Thunderstorm Warning	BYZ	Carbon	44 min
Jun 9, 2:41 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	64 min
Jun 9, 3:08 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	67 min
Jun 9, 3:25 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	50 min
Jun 9, 3:49 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	56 min
Jun 9, 4:06 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	39 min
Jun 9, 4:10 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	50 min
Jun 9, 4:34 PM MDT	Severe Thunderstorm Warning	BYZ	Carter	86 min
Jun 9, 4:44 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud	61 min
Jun 9, 5:34 PM MDT	Severe Thunderstorm Warning	BYZ	Custer, Powder River	56 min
Jun 9, 5:40 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud	50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.