Alert archive / North Dakota / Tornado Watches in 2001
Tornado Watch 575
The Storm Prediction Center issued this tornado watch at Jul 18, 2001, 4:00 PM CDT for 8 counties in Minnesota; 25 counties in North Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2001, 4:00 PM CDT (21:00 UTC)
- Expired
- Jul 18, 2001, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 33 counties
Clay County, MN, Kittson County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Wilkin County, MN, Barnes County, ND, Benson County, ND, Cass County, ND, Cavalier County, ND, Dickey County, ND, Eddy 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, Ramsey County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Stutsman County, ND, Towner County, ND, Traill County, ND, Walsh County, ND, Wells County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 88 km from the middle of the area, began a volume at 21:02 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
32 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 4:22 PM CDT | Tornado Warning | FGF | Kittson | 38 min |
| Jul 18, 4:57 PM CDT | Tornado Warning | FGF | Kittson | 33 min |
| Jul 18, 5:29 PM CDT | Tornado Warning | FGF | Kittson, Roseau | 46 min |
| Jul 18, 5:43 PM CDT | Severe Thunderstorm Warning | FGF | Nelson | 47 min |
| Jul 18, 5:57 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 48 min |
| Jul 18, 6:00 PM CDT | Tornado Warning | FGF | Nelson | 30 min |
| Jul 18, 6:04 PM CDT | Tornado Warning | FGF | Griggs | 26 min |
| Jul 18, 6:26 PM CDT | Tornado Warning | FGF | Griggs, Nelson, Steele | 49 min |
| Jul 18, 6:32 PM CDT | Tornado Warning | FGF | Walsh | 43 min |
| Jul 18, 6:36 PM CDT | Tornado Warning | FGF | Pembina | 24 min |
| Jul 18, 7:00 PM CDT | Tornado Warning | FGF | Pembina | 45 min |
| Jul 18, 7:04 PM CDT | Severe Thunderstorm Warning | FGF | Kittson | 41 min |
| Jul 18, 7:08 PM CDT | Flash Flood Warning | FGF | Kittson | 3 hr |
| Jul 18, 7:09 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 51 min |
| Jul 18, 7:09 PM CDT | Tornado Warning | FGF | Nelson | 51 min |
| Jul 18, 7:13 PM CDT | Tornado Warning | FGF | Walsh | 47 min |
| Jul 18, 7:15 PM CDT | Tornado Warning | FGF | Griggs, Steele | 45 min |
| Jul 18, 7:15 PM CDT | Tornado Warning | FGF | Grand Forks | 45 min |
| Jul 18, 7:17 PM CDT | Flash Flood Warning | FGF | Grand Forks, Nelson | 3 hr |
| Jul 18, 7:20 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 55 min |
| Jul 18, 7:42 PM CDT | Severe Thunderstorm Warning | FGF | Pembina | 48 min |
| Jul 18, 7:45 PM CDT | Severe Thunderstorm Warning | FGF | Kittson | 45 min |
| Jul 18, 7:55 PM CDT | Severe Thunderstorm Warning | FGF | Walsh | 50 min |
| Jul 18, 8:00 PM CDT | Tornado Warning | FGF | Griggs, Steele | 45 min |
| Jul 18, 8:16 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 59 min |
| Jul 18, 8:23 PM CDT | Severe Thunderstorm Warning | BIS | Logan, McIntosh | 67 min |
| Jul 18, 8:44 PM CDT | Tornado Warning | FGF | Marshall | 46 min |
| Jul 18, 8:46 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 59 min |
| Jul 18, 8:52 PM CDT | Tornado Warning | BIS | LaMoure, Stutsman | 38 min |
| Jul 18, 8:56 PM CDT | Severe Thunderstorm Warning | BIS | McIntosh | 64 min |
| Jul 18, 9:30 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 45 min |
| Jul 18, 9:51 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 39 min |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 9.0 hours before the alert went out and 184 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
- 1501 J/kg
- Mixed-layer CIN
- -233 J/kg
- Mixed-layer LCL
- 728 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 57 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 17, 7:00 PM CDT | Tornado Watch | SPC | Aitkin, Becker, Beltrami, Carlton, Cass, Clay and 23 more | 5 hr |
| Jul 17, 9:30 PM CDT | Severe Thunderstorm Watch | SPC | Anoka, Benton, Big Stone, Carver, Chippewa, Chisago and 27 more | 6 hr |
| Jul 18, 6:30 PM CDT | Tornado Watch | SPC | Beltrami, Clearwater, Itasca, Koochiching, Lake of the Woods, Roseau | 4 hr |
| Jul 17, 7:00 PM CDT | Tornado Watch | SPC | Barnes, Burleigh, Cass, Dickey, Emmons, Grant and 12 more | 5 hr |
| Jul 17, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Billings, Bowman, Burke, Divide, Golden Valley, McKenzie and 2 more | 5 hr |
| Jul 18, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | Divide, Golden Valley, McKenzie, Williams | 6 hr |
Nearby
Tornado Watches in North Dakota, 2001Tornado Watches in Minnesota, 2001Every tornado watch in 2001
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.