Alert archive / Montana / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 568
The Storm Prediction Center issued this severe thunderstorm watch at Jul 10, 2000, 4:00 PM MDT for 13 counties in Montana; 8 counties in North Dakota; Harding County, South Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 10, 2000, 4:00 PM MDT (22:00 UTC)
- Expired
- Jul 10, 2000, 10:00 PM MDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 22 counties
Carter County, MT, Custer County, MT, Daniels County, MT, Dawson County, MT, Fallon County, MT, McCone County, MT, Powder River County, MT, Prairie County, MT, Richland County, MT, Roosevelt County, MT, Rosebud County, MT, Sheridan County, MT, Wibaux County, MT, Billings County, ND, Bowman County, ND, Burke County, ND, Divide County, ND, Golden Valley County, ND, McKenzie County, ND, Slope County, ND, Williams County, ND, Harding County, SD
The radar
The Glasgow radar (KGGW), 204 km from the middle of the area, began a volume at 22:02 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
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 4:31 PM MDT | Severe Thunderstorm Warning | BIS | Golden Valley | 59 min |
| Jul 10, 4:43 PM MDT | Severe Thunderstorm Warning | GGW | Wibaux | 62 min |
| Jul 10, 5:29 PM MDT | Severe Thunderstorm Warning | BIS | Golden Valley, Slope | 61 min |
| Jul 10, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | Custer | 27 min |
| Jul 10, 7:01 PM MDT | Severe Thunderstorm Warning | GGW | Garfield, Prairie | 59 min |
| Jul 10, 7:54 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 66 min |
| Jul 10, 7:54 PM MDT | Severe Thunderstorm Warning | BIS | Williams | 56 min |
| Jul 10, 7:57 PM MDT | Flash Flood Warning | GGW | Prairie | 3 hr |
| Jul 10, 8:02 PM MDT | Severe Thunderstorm Warning | GGW | McCone | 58 min |
| Jul 10, 8:08 PM MDT | Severe Thunderstorm Warning | GGW | Roosevelt | 67 min |
| Jul 10, 8:19 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 71 min |
| Jul 10, 8:23 PM MDT | Severe Thunderstorm Warning | GGW | Sheridan | 67 min |
| Jul 10, 8:28 PM MDT | Flash Flood Warning | GGW | Dawson, McCone, Richland, Roosevelt, Sheridan | 3 hr |
| Jul 10, 8:54 PM MDT | Severe Thunderstorm Warning | BIS | Divide | 61 min |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 10.0 hours before the alert went out and 204 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
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 |
|---|---|---|---|---|
| Jul 10, 1:00 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Blaine, Carbon, Fergus, Garfield, Golden Valley and 7 more | 6 hr |
| Jul 9, 9:00 PM MDT | Severe Thunderstorm Watch | SPC | Union | 5 hr |
| Jul 10, 4:45 PM MDT | Severe Thunderstorm Watch | SPC | Bennett, Butte, Custer, Fall River, Haakon, Jackson and 5 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Montana, 2000Severe Thunderstorm Watches in North Dakota, 2000Severe Thunderstorm Watches in South Dakota, 2000Every severe thunderstorm watch 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.