Alert archive / Minnesota / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 583
The Storm Prediction Center issued this severe thunderstorm watch at Jul 18, 2001, 10:00 PM CDT for 13 counties in Minnesota. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2001, 10:00 PM CDT (03:00 UTC)
- Expired
- Jul 19, 2001, 3:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Beltrami County, MN, Clearwater County, MN, Hubbard County, MN, Itasca County, MN, Koochiching County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Saint Louis County, MN
The radar
The Fargo/Grand Forks radar (KMVX), 207 km from the middle of the area, began a volume at 03:01 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 |
|---|---|---|---|---|
| Jul 18, 10:00 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 45 min |
| Jul 18, 10:14 PM CDT | Flash Flood Warning | FGF | Lake of the Woods, Roseau | 3 hr |
| Jul 18, 10:32 PM CDT | Severe Thunderstorm Warning | FGF | Polk | 28 min |
| Jul 18, 10:41 PM CDT | Severe Thunderstorm Warning | DLH | Itasca, Koochiching | 64 min |
| Jul 18, 11:04 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami | 41 min |
| Jul 18, 11:11 PM CDT | Severe Thunderstorm Warning | FGF | Pennington | 49 min |
| Jul 18, 11:18 PM CDT | Tornado Warning | FGF | Pennington, Red Lake | 27 min |
| Jul 18, 11:23 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 67 min |
| Jul 18, 11:42 PM CDT | Tornado Warning | FGF | Red Lake | 33 min |
| Jul 19, 12:14 AM CDT | Tornado Warning | FGF | Polk | 31 min |
| Jul 19, 12:27 AM CDT | Flash Flood Warning | FGF | Marshall, Polk | 2 hr |
| Jul 19, 12:54 AM CDT | Severe Thunderstorm Warning | FGF | Norman | 66 min |
| Jul 19, 1:09 AM CDT | Severe Thunderstorm Warning | FGF | Polk | 66 min |
| Jul 19, 2:05 AM CDT | Severe Thunderstorm Warning | FGF | Mahnomen, Norman | 40 min |
| Jul 19, 2:52 AM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Hubbard | 38 min |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 3.0 hours before the alert went out and 129 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
- 2275 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1506 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 9.1
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 19, 3:00 AM CDT | Severe Thunderstorm Watch | SPC | Becker, Big Stone, Clay, Douglas, Grant, Hubbard and 8 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Minnesota, 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.