Alert archive / Minnesota / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 286
The Storm Prediction Center issued this severe thunderstorm watch at May 18, 2005, 1:25 PM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 18, 2005, 1:25 PM CDT (18:25 UTC)
- Expired
- May 18, 2005, 7:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 46 counties
Dickinson County, IA, Emmet County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux County, IA, Becker County, MN, Big Stone County, MN, Brown County, MN, Chippewa County, MN, Clay County, MN, Cottonwood County, MN, Douglas County, MN, Grant County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, Murray County, MN, Nobles County, MN, Otter Tail County, MN, Pipestone County, MN, Pope County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Stevens County, MN, Swift County, MN, Traverse County, MN, Watonwan County, MN, Wilkin County, MN, Yellow Medicine County, MN, Ransom County, ND, Richland County, ND, Sargent County, ND, Brookings County, SD, Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Marshall County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD
The radar
The Aberdeen radar (KABR), 162 km from the middle of the area, began a volume at 18:27 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 6:08 PM CDT | Severe Thunderstorm Warning | FGF | Richland | 37 min |
| May 18, 6:18 PM CDT | Tornado Warning | MPX | Stevens | 42 min |
| May 18, 6:38 PM CDT | Tornado Warning | MPX | Swift | 52 min |
| May 18, 6:58 PM CDT | Tornado Warning | MPX | Chippewa | 32 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, 6.4 hours before the alert went out and 170 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1182 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 69 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 |
|---|---|---|---|---|
| May 18, 12:58 AM CDT | Mesoscale Discussion | SPC | Harrison, Monona, Woodbury | 62 min |
| May 18, 12:22 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cerro Gordo, Clay, Dickinson, Emmet, Hancock and 11 more | 2 hr |
| May 18, 6:50 PM CDT | Mesoscale Discussion | SPC | Emmet | 55 min |
| May 17, 8:19 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Bon Homme, Brule, Buffalo, Charles Mix and 15 more | 116 min |
Nearby
Severe Thunderstorm Watches in Minnesota, 2005Severe Thunderstorm Watches in South Dakota, 2005Severe Thunderstorm Watches in Iowa, 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.