Alert archive / Iowa / Mesoscale Discussions in 2005
Mesoscale Discussion 2405
The Storm Prediction Center issued this mesoscale discussion at Nov 12, 2005, 3:35 PM CST for 24 counties in Iowa; 6 counties in Minnesota; 4 counties in South Dakota. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Nov 12, 2005, 3:35 PM CST (21:35 UTC)
- Expired
- Nov 12, 2005, 5:00 PM CST
- In force
- 85 min
- Issued by
- the Storm Prediction Center
All 34 counties
Adair County, IA, Boone County, IA, Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cherokee County, IA, Clay County, IA, Dallas County, IA, Dickinson County, IA, Emmet County, IA, Greene County, IA, Guthrie County, IA, Hamilton County, IA, Humboldt County, IA, Ida County, IA, Lyon County, IA, Madison County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Sioux County, IA, Webster County, IA, Cottonwood County, MN, Jackson County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Lincoln County, SD, McCook County, SD, Minnehaha County, SD, Moody County, SD
The radar
The Sioux Falls radar (KFSD), 140 km from the middle of the area, began a volume at 21:34 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 nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.6 hours before the alert went out and 195 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
- 1049 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 136 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 |
|---|---|---|---|---|
| Nov 12, 12:33 PM CST | Mesoscale Discussion | SPC | Adams, Audubon, Buena Vista, Carroll, Cass, Cherokee and 18 more | 87 min |
| Nov 12, 1:44 PM CST | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Buena Vista and 62 more | 6 hr |
| Nov 12, 4:40 PM CST | Mesoscale Discussion | SPC | Adair, Appanoose, Audubon, Boone, Buena Vista, Butler and 49 more | 65 min |
| Nov 12, 5:24 PM CST | Mesoscale Discussion | SPC | Allamakee, Benton, Bremer, Buchanan, Cedar, Chickasaw and 18 more | 66 min |
| Nov 12, 5:40 PM CST | Tornado Watch | SPC | Allamakee, Benton, Black Hawk, Bremer, Buchanan, Cedar and 14 more | 4 hr |
Nearby
Mesoscale Discussions in Iowa, 2005Mesoscale Discussions in Minnesota, 2005Mesoscale Discussions in South Dakota, 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.