Alert archive / Montana / Tornado Watches in 1997
Tornado Watch 505
The Storm Prediction Center issued this tornado watch at Jun 22, 1997, 3:30 PM MDT for 12 counties in Montana; 11 counties in North Dakota; Harding County, Perkins County, South Dakota. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 22, 1997, 3:30 PM MDT (21:30 UTC)
- Expired
- Jun 22, 1997, 10:00 PM MDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Carter County, MT, Custer County, MT, Daniels County, MT, Dawson County, MT, Fallon County, MT, McCone County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Sheridan County, MT, Valley County, MT, Wibaux County, MT, Adams County, ND, Billings County, ND, Bowman County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, Hettinger County, ND, McKenzie County, ND, Slope County, ND, Stark County, ND, Williams County, ND, Harding County, SD, Perkins County, SD
The radar
The Glasgow radar (KGGW), 224 km from the middle of the area, began a volume at 21:33 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.
Warnings issued inside it
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 3:45 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 60 min |
| Jun 22, 4:15 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 60 min |
| Jun 22, 4:30 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 60 min |
| Jun 22, 4:45 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 60 min |
| Jun 22, 4:45 PM MDT | Severe Thunderstorm Warning | BIS | Williams | 60 min |
| Jun 22, 5:30 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt, Sheridan | 60 min |
| Jun 22, 5:45 PM MDT | Flash Flood Warning | GGW | Richland | 60 min |
| Jun 22, 5:45 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 60 min |
| Jun 22, 6:05 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 70 min |
| Jun 22, 6:26 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 64 min |
| Jun 22, 6:45 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 60 min |
| Jun 22, 7:34 PM MDT | Severe Thunderstorm Warning | BYZ | Carter, Fallon | 61 min |
| Jun 22, 7:45 PM MDT | Severe Thunderstorm Warning | GGW | Dawson, Richland | 60 min |
| Jun 22, 7:50 PM MDT | Flash Flood Warning | GGW | Dawson, Richland | 3 hr |
| Jun 22, 8:44 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 61 min |
| Jun 22, 8:45 PM MDT | Severe Thunderstorm Warning | GGW | Richland, Wibaux | 45 min |
| Jun 22, 8:51 PM MDT | Severe Thunderstorm Warning | BIS | Golden Valley | 69 min |
| Jun 22, 9:00 PM MDT | Severe Thunderstorm Warning | BIS | Slope | 45 min |
| Jun 22, 9:14 PM MDT | Severe Thunderstorm Warning | BIS | Billings, Dunn | 61 min |
| Jun 22, 9:25 PM MDT | Tornado Warning | BIS | Dunn | 50 min |
| Jun 22, 9:34 PM MDT | Severe Thunderstorm Warning | BIS | Billings | 41 min |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 9.5 hours before the alert went out and 223 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2620 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 156 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 3:30 PM MDT | Tornado Watch | SPC | Adams, Barnes, Burleigh, Cass, Dickey, Dunn and 23 more | 7 hr |
| Jun 22, 11:00 AM MDT | Tornado Watch | SPC | Beadle, Brookings, Brown, Buffalo, Campbell, Clark and 29 more | 6 hr |
| Jun 22, 5:00 PM MDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Hughes and 13 more | 5 hr |
| Jun 22, 5:00 PM MDT | Tornado Watch | SPC | Beadle, Brookings, Buffalo, Clark, Codington, Day and 14 more | 5 hr |
Nearby
Tornado Watches in Montana, 1997Tornado Watches in North Dakota, 1997Tornado Watches in South Dakota, 1997Every tornado watch in 1997
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.