Alert archive / Minnesota / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 768
The Storm Prediction Center issued this severe thunderstorm watch at Sep 5, 2005, 3:45 PM CDT for 16 counties in Minnesota; 14 counties in North Dakota. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 5, 2005, 3:45 PM CDT (20:45 UTC)
- Expired
- Sep 6, 2005, 12:00 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
All 30 counties
Becker County, MN, Beltrami County, MN, Clay County, MN, Clearwater County, MN, Grant County, MN, Kittson County, MN, Lake of the Woods County, MN, Mahnomen County, MN, Marshall County, MN, Norman County, MN, Otter Tail County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Wilkin County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Grand Forks County, ND, Griggs County, ND, LaMoure County, ND, Nelson County, ND, Pembina County, ND, Ransom County, ND, Richland County, ND, Sargent County, ND, Steele County, ND, Traill County, ND, Walsh County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 49 km from the middle of the area, began a volume at 20:47 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
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 3:45 PM CDT | Severe Thunderstorm Warning | WNS | Becker, Beltrami, Clay, Clearwater, Grant, Hubbard and 12 more | 8 hr |
| Sep 5, 4:03 PM CDT | Severe Thunderstorm Warning | FGF | Traill | 57 min |
| Sep 5, 5:32 PM CDT | Severe Thunderstorm Warning | FGF | Barnes | 58 min |
| Sep 5, 5:43 PM CDT | Severe Thunderstorm Warning | BIS | LaMoure, Stutsman | 47 min |
| Sep 5, 5:44 PM CDT | Severe Thunderstorm Warning | FGF | Steele | 61 min |
| Sep 5, 6:52 PM CDT | Severe Thunderstorm Warning | FGF | Red Lake | 53 min |
| Sep 5, 6:54 PM CDT | Flash Flood Warning | BIS | LaMoure | 3 hr |
| Sep 5, 7:02 PM CDT | Severe Thunderstorm Warning | FGF | Clay | 58 min |
| Sep 5, 7:02 PM CDT | Severe Thunderstorm Warning | FGF | Ransom | 58 min |
| Sep 5, 7:11 PM CDT | Tornado Warning | FGF | Clay | 45 min |
| Sep 5, 7:20 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 55 min |
| Sep 5, 8:05 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Mahnomen, Polk | 55 min |
| Sep 5, 8:13 PM CDT | Severe Thunderstorm Warning | FGF | Clay, Wilkin | 62 min |
| Sep 5, 8:31 PM CDT | Severe Thunderstorm Warning | FGF | Becker, Otter Tail | 59 min |
| Sep 5, 8:33 PM CDT | Severe Thunderstorm Warning | FGF | Norman | 57 min |
| Sep 5, 9:22 PM CDT | Severe Thunderstorm Warning | FGF | Beltrami, Clearwater, Hubbard | 53 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 8.8 hours before the alert went out and 258 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
- 1344 J/kg
- Mixed-layer CIN
- -347 J/kg
- Mixed-layer LCL
- 1364 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 10:15 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Kittson, Marshall, Norman, Pennington, Polk and 4 more | 6 hr |
| Sep 4, 11:53 PM CDT | Mesoscale Discussion | SPC | Clay, Kittson, Marshall, Norman, Pennington, Polk and 4 more | 97 min |
| Sep 5, 2:31 AM CDT | Mesoscale Discussion | SPC | Clay, Kittson, Marshall, Norman, Pennington, Polk and 4 more | 119 min |
| Sep 5, 3:19 PM CDT | Mesoscale Discussion | SPC | Becker, Clay, Clearwater, Mahnomen, Marshall, Norman and 6 more | 86 min |
| Sep 5, 5:05 PM CDT | Severe Thunderstorm Watch | SPC | Big Stone, Lac qui Parle, Lincoln, Pipestone, Stevens, Traverse | 7 hr |
| Sep 4, 8:31 PM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Cass, Cavalier, Dickey, Eddy and 17 more | 89 min |
Nearby
Severe Thunderstorm Watches in Minnesota, 2005Severe Thunderstorm Watches in North Dakota, 2005Every severe thunderstorm watch in 2005
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.