Alert archive / Minnesota / Mesoscale Discussions in 2005
Mesoscale Discussion 2180
The Storm Prediction Center issued this mesoscale discussion at Sep 12, 2005, 6:47 PM CDT for 4 states. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- Sep 12, 2005, 6:47 PM CDT (23:47 UTC)
- Expired
- Sep 12, 2005, 8:15 PM CDT
- In force
- 88 min
- Issued by
- the Storm Prediction Center
All 62 counties
Dickinson County, IA, Emmet County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Sioux County, IA, Winnebago County, IA, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Cottonwood County, MN, Faribault County, MN, Hennepin County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Scott County, MN, Sibley County, MN, Waseca County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Boyd County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Charles Mix County, SD, Clark County, SD, Clay County, SD, Codington County, SD, Davison County, SD, Deuel County, SD, Douglas County, SD, Hamlin County, SD, Hanson County, SD, Hutchinson County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Turner County, SD, Yankton County, SD
The radar
The Sioux Falls radar (KFSD), 49 km from the middle of the area, began a volume at 23:49 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.
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 11.8 hours before the alert went out and 150 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
- 1476 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 3:40 PM CDT | Tornado Watch | SPC | Dickinson, Lyon, Osceola, Sioux | 4 hr |
| Sep 12, 7:26 AM CDT | Mesoscale Discussion | SPC | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 30 more | 94 min |
| Sep 12, 2:27 PM CDT | Mesoscale Discussion | SPC | Big Stone, Chippewa, Cottonwood, Lac qui Parle, Lincoln, Lyon and 8 more | 2 hr |
| Sep 12, 5:25 PM CDT | Mesoscale Discussion | SPC | Dawes | 2 hr |
| Sep 12, 5:31 PM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Buffalo, Clay, Franklin and 18 more | 59 min |
| Sep 12, 5:55 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Antelope, Boone, Boyd, Buffalo, Clay and 18 more | 4 hr |
Nearby
Mesoscale Discussions in Minnesota, 2005Mesoscale Discussions in South Dakota, 2005Mesoscale Discussions in Iowa, 2005Every mesoscale discussion 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.