Alert archive / North Dakota / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 681
The Storm Prediction Center issued this severe thunderstorm watch at Aug 12, 2000, 1:00 AM CDT for 7 counties in Minnesota; 19 counties in North Dakota. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 12, 2000, 1:00 AM CDT (06:00 UTC)
- Expired
- Aug 12, 2000, 6:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 26 counties
Kittson County, MN, Lake of the Woods County, MN, Marshall County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Nelson County, ND, Pembina County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 111 km from the middle of the area, began a volume at 06:04 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 1:25 AM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 30 min |
| Aug 12, 1:25 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 30 min |
| Aug 12, 1:55 AM CDT | Severe Thunderstorm Warning | FGF | Pembina, Walsh | 30 min |
| Aug 12, 1:55 AM CDT | Severe Thunderstorm Warning | FGF | Grand Forks | 30 min |
| Aug 12, 1:56 AM CDT | Severe Thunderstorm Warning | FGF | Kittson, Marshall | 59 min |
| Aug 12, 2:17 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Kidder, Sheridan | 58 min |
| Aug 12, 2:33 AM CDT | Severe Thunderstorm Warning | FGF | Marshall, Roseau | 62 min |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 6.0 hours before the alert went out and 157 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
- 2271 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 2674 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.7
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 12, 3:15 AM CDT | Severe Thunderstorm Watch | SPC | Beltrami, Clearwater, Itasca, Koochiching, Mahnomen, Norman | 4 hr |
| Aug 12, 4:00 PM CDT | Tornado Watch | SPC | Anoka, Blue Earth, Brown, Carver, Chippewa, Cottonwood and 37 more | 6 hr |
| Aug 11, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Benson, Bottineau, Cavalier, Eddy, Foster, Grand Forks and 18 more | 4 hr |
Nearby
Severe Thunderstorm Watches in North Dakota, 2000Severe Thunderstorm Watches in Minnesota, 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.