Alert archive / Montana / Tornado Warnings in 2000
Tornado Warning 4, NWS Billings, MT
NWS Billings, MT issued this tornado warning at Jul 5, 2000, 6:27 PM MDT for Powder River County, Montana. It was in force for 63 min. 2 reports 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
- Jul 5, 2000, 6:27 PM MDT (00:27 UTC)
- Expired
- Jul 5, 2000, 7:30 PM MDT
- In force
- 63 min
- Issued by
- NWS Billings, MT
- Area
- Whole counties
County Powder River County, MT
The radar
The Billings radar (KBLX), 237 km from the middle of the area, began a volume at 00:28 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 |
|---|---|---|---|
| Jul 5, 7:04 PM MDT | Tornado F0 | Broadus, MT | NWS post storm ground survey confirmed an F0 (winds 42-72 mph) tornado 5 miles north of Epsie, or about 10 miles northwest of Broadus. The tornado was on the ground for 1 minute. The path of the tornado was 1/2 mile long and 50 yards wide. The tornado remained |
| Jul 5, 7:10 PM MDT | Hail 2.75 | Broadus, MT |
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 |
|---|---|---|---|
| Jul 5, 4:15 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 0.5 hours before the alert went out and 262 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.
- Mixed-layer CAPE
- 1824 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1845 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
699 WFUS55 KBYZ 060031 TORBIL MTC075-060130- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BILLINGS MT 627 PM MDT WED JUL 5 2000 THE NATIONAL WEATHER SERVICE IN BILLINGS HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN POWDER RIVER COUNTY IN SOUTHEAST MONTANA * UNTIL 730 PM MDT * AT 630 PM MDT...SEVERE WEATHER SPOTTERS REPORTED A TORNADO 2 MILES WEST OF OLIVE...OR ABOUT 11 MILES NORTHWEST OF BROADUS...MOVING EAST AT 15 MPH. * THE TORNADO WILL BE NEAR... BROADUS BY 645 PM MDT. * THIS STORM ALSO HAS A HISTORY OF PRODUCING BASEBALL SIZED HAIL. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR THIS TORNODO WARNING REPLACES THE EALIER TORNADO WARNING FOR POWDER RIVER COUNTY. $$ LAT...LON 4577 10578 4535 10582 4541 10503 4577 10503
The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 7:31 PM MDT | Severe Thunderstorm Warning | BYZ | Custer, Powder River | 59 min |
| Jul 5, 9:29 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 61 min |
Nearby
Tornado Warnings in Montana, 2000Every tornado warning in 2000Tornadoes 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.