Alert archive / North Dakota / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 645
The Storm Prediction Center issued this severe thunderstorm watch at Aug 4, 2000, 5:00 PM MDT for 8 counties in Montana; 11 counties in North Dakota; Harding County, South Dakota. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 4, 2000, 5:00 PM MDT (23:00 UTC)
- Expired
- Aug 4, 2000, 10:00 PM MDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Carter County, MT, Custer County, MT, Dawson County, MT, Fallon County, MT, Powder River County, MT, Richland County, MT, Sheridan County, MT, Wibaux County, MT, Billings County, ND, Bowman County, ND, Burke County, ND, Divide County, ND, Dunn County, ND, Golden Valley County, ND, McKenzie County, ND, Mountrail County, ND, Slope County, ND, Stark County, ND, Williams County, ND, Harding County, SD
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 6:02 PM MDT | Severe Thunderstorm Warning | GGW | Dawson | 58 min |
| Aug 4, 6:24 PM MDT | Severe Thunderstorm Warning | BIS | Divide, Williams | 56 min |
| Aug 4, 7:12 PM MDT | Severe Thunderstorm Warning | GGW | Richland | 63 min |
| Aug 4, 7:31 PM MDT | Severe Thunderstorm Warning | BIS | Divide, McKenzie, Williams | 59 min |
| Aug 4, 7:55 PM MDT | Severe Thunderstorm Warning | BIS | Burke | 65 min |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 11.0 hours before the alert went out and 281 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
- 331 J/kg
- Mixed-layer CIN
- -280 J/kg
- Mixed-layer LCL
- 1065 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 92 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 |
|---|---|---|---|---|
| Aug 4, 5:15 PM MDT | Severe Thunderstorm Watch | SPC | Aurora, Bennett, Brown, Brule, Buffalo, Campbell and 23 more | 5 hr |
Nearby
Severe Thunderstorm Watches in North Dakota, 2000Severe Thunderstorm Watches in Montana, 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.