Alert archive / Minnesota / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 665
The Storm Prediction Center issued this severe thunderstorm watch at Aug 8, 2001, 9:45 PM CDT for 17 counties in Minnesota; Ransom County, Richland County, Sargent County, North Dakota. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2001, 9:45 PM CDT (02:45 UTC)
- Expired
- Aug 9, 2001, 2:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Aitkin County, MN, Becker County, MN, Beltrami County, MN, Cass County, MN, Clay County, MN, Clearwater County, MN, Crow Wing County, MN, Hubbard County, MN, Itasca County, MN, Mahnomen County, MN, Morrison County, MN, Norman County, MN, Otter Tail County, MN, Saint Louis County, MN, Todd County, MN, Wadena County, MN, Wilkin County, MN, Ransom County, ND, Richland County, ND, Sargent County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 155 km from the middle of the area, began a volume at 02:50 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
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 9:46 PM CDT | Severe Thunderstorm Warning | FGF | Wilkin | 44 min |
| Aug 8, 9:47 PM CDT | Tornado Warning | FGF | Clearwater, Polk | 28 min |
| Aug 8, 10:00 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Beltrami, Hubbard | 60 min |
| Aug 8, 10:13 PM CDT | Severe Thunderstorm Warning | FGF | Clearwater, Mahnomen | 47 min |
| Aug 8, 10:25 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching | 65 min |
| Aug 8, 10:29 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 31 min |
| Aug 8, 10:37 PM CDT | Severe Thunderstorm Warning | FGF | Otter Tail, Wadena | 53 min |
| Aug 8, 10:46 PM CDT | Severe Thunderstorm Warning | DLH | Cass | 44 min |
| Aug 8, 10:59 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 61 min |
| Aug 8, 11:00 PM CDT | Severe Thunderstorm Warning | FGF | Hubbard | 30 min |
| Aug 8, 11:08 PM CDT | Severe Thunderstorm Warning | FGF | Ransom, Richland, Sargent | 52 min |
| Aug 8, 11:22 PM CDT | Severe Thunderstorm Warning | DLH | Itasca | 53 min |
| Aug 8, 11:31 PM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 29 min |
| Aug 8, 11:55 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin | 50 min |
| Aug 9, 12:07 AM CDT | Severe Thunderstorm Warning | DLH | Carlton, Saint Louis | 68 min |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 2.8 hours before the alert went out and 252 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
- 1405 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1530 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.8
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 9, 12:00 AM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Carlton, Cook, Kanabec, Lake, Mille Lacs and 2 more | 4 hr |
Nearby
Severe Thunderstorm Watches in Minnesota, 2001Severe Thunderstorm Watches in North Dakota, 2001Every severe thunderstorm 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.