Alert archive / Montana / Tornado Warnings in 2000
Tornado Warning 13, NWS Glasgow, MT
NWS Glasgow, MT issued this tornado warning at Jul 10, 2000, 5:46 PM MDT for Valley County, Montana. It was in force for 59 min. 5 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 10, 2000, 5:46 PM MDT (23:46 UTC)
- Expired
- Jul 10, 2000, 6:45 PM MDT
- In force
- 59 min
- Issued by
- NWS Glasgow, MT
- Area
- Whole counties
County Valley County, MT
The radar
The Glasgow radar (KGGW), 18 km from the middle of the area, began a volume at 23:47 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 10, 6:05 PM MDT | Hail 0.88 | Hinsdale, MT | |
| Jul 10, 6:07 PM MDT | Hail 1.75 | Hinsdale, MT | |
| Jul 10, 6:11 PM MDT | Hail 1 | Hinsdale, MT | |
| Jul 10, 6:15 PM MDT | Tornado F0 | Glasgow, MT | An NWS employee reported a tornado near the Vandalia Dam. |
| Jul 10, 6:37 PM MDT | Hail 2 | Hinsdale, 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 10, 1:00 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 11.8 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.
- Mixed-layer CAPE
- 59 J/kg
- Mixed-layer CIN
- -339 J/kg
- Mixed-layer LCL
- 1008 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS55 KGGW 102347
TORGGW
MTC105-110045-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GLASGOW MT
546 PM MDT MON JUL 10 2000
THE NATIONAL WEATHER SERVICE IN GLASGOW HAS ISSUED A
* TORNADO WARNING FOR...
VALLEY COUNTY IN NORTHEAST MONTANA
* UNTIL 645 PM MDT
* AT 542 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO 12 MILES WEST OF HINSDALE...OR ABOUT 24 MILES EAST OF
MALTA...MOVING EAST AT 35 MPH.
* THE TORNADO IS EXPECTED TO BE NEAR...
HINSDALE AT 600 PM MDT
VANDALIA AT 615 PM MDT
SAINT MARIE AT 640 PM MDT
VERY LARGE HAIL AND DAMAGING THUNDERSTORM WINDS ARE ALSO EXPECTED
WITH THIS STORM.
LAT...LON 4900 10717 4852 10719 4831 10725 4830 10737
4821 10741 4770 10742 4768 10691 4785 10653
4806 10641 4801 10584 4858 10582 4858 10603
4882 10603 4900 10612
.END
79The office that day
Everything else NWS Glasgow, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 6:31 PM MDT | Flash Flood Warning | GGW | McCone | 6 hr |
| Jul 9, 6:40 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 65 min |
| Jul 9, 6:54 PM MDT | Severe Thunderstorm Warning | GGW | Valley | 51 min |
| Jul 10, 3:47 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 58 min |
| Jul 10, 4:08 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 67 min |
| Jul 10, 4:43 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 62 min |
| Jul 10, 5:11 PM MDT | Severe Thunderstorm Warning | GGW | Phillips | 64 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.