Alert archive / Montana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 43, NWS Billings, MT

July 4, 2000Carbon County, Stillwater County, Yellowstone County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jul 4, 2000, 1:51 PM MDT for Carbon County, Stillwater County, Yellowstone County, Montana. It was in force for 54 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: Jul 4, 2000, 1:51 PM MDT (19:51 UTC)
Expired: Jul 4, 2000, 2:45 PM MDT
In force: 54 min
Issued by: NWS Billings, MT
Area: Whole counties

Counties Carbon County, MT, Stillwater County, MT, Yellowstone County, MT

The radar

The Billings radar (KBLX), 35 km from the middle of the area, began a volume at 19:55 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

Great_falls, MT (KTFX), launched 12:00Z, 7.9 hours before the alert went out and 243 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: 1642 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 17 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 Jul 4, 9:05 AM MDT, 4 hours 46 minutes earlier.

Area forecast discussion, Jul 4, 9:05 AM MDT, 4 hours 46 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
Jul 3, 8:08 PM MDT	Severe Thunderstorm Warning	BYZ	Custer	67 min
Jul 3, 8:13 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud, Treasure	62 min
Jul 3, 9:06 PM MDT	Severe Thunderstorm Warning	BYZ	Custer, Fallon	54 min
Jul 4, 12:06 AM MDT	Severe Thunderstorm Warning	BYZ	Custer	54 min
Jul 4, 2:05 PM MDT	Severe Thunderstorm Warning	BYZ	Golden Valley, Musselshell	55 min
Jul 4, 2:52 PM MDT	Severe Thunderstorm Warning	BYZ	Yellowstone	53 min
Jul 4, 3:35 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud, Treasure	55 min
Jul 4, 3:39 PM MDT	Severe Thunderstorm Warning	BYZ	Yellowstone	36 min
Jul 4, 4:23 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	67 min
Jul 4, 4:32 PM MDT	Severe Thunderstorm Warning	BYZ	Yellowstone	43 min
Jul 4, 4:33 PM MDT	Severe Thunderstorm Warning	BYZ	Rosebud	57 min
Jul 4, 4:38 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	67 min
Jul 4, 4:57 PM MDT	Tornado Warning	BYZ	Yellowstone	33 min
Jul 4, 5:30 PM MDT	Severe Thunderstorm Warning	BYZ	Carter, Powder River	60 min
Jul 4, 5:40 PM MDT	Severe Thunderstorm Warning	BYZ	Custer	65 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; radar from the NEXRAD Level II archive.