Alert archive / Nebraska / Mesoscale Discussions in 2006
Mesoscale Discussion 2341
The Storm Prediction Center issued this mesoscale discussion at Dec 31, 2006, 6:29 AM CST for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 31, 2006, 6:29 AM CST (12:29 UTC)
- Expired
- Dec 31, 2006, 12:30 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 38 counties
Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Harrison County, IA, Ida County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sac County, IA, Sioux County, IA, Woodbury County, IA, Marshall County, KS, Washington County, KS, Cottonwood County, MN, Jackson County, MN, Murray County, MN, Nobles County, MN, Burt County, NE, Cass County, NE, Cuming County, NE, Dakota County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Otoe County, NE, Pawnee County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Thurston County, NE, Washington County, NE
The radar
The Omaha radar (KOAX), 71 km from the middle of the area, began a volume at 12:30 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, 0.5 hours before the alert went out and 71 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
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 215 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 |
|---|---|---|---|---|
| Dec 31, 12:53 AM CST | Mesoscale Discussion | SPC | Lyon, Sioux | 5 hr |
| Dec 30, 7:08 PM CST | Mesoscale Discussion | SPC | Antelope, Boone, Buffalo, Dawson, Franklin, Furnas and 12 more | 6 hr |
Nearby
Mesoscale Discussions in Nebraska, 2006Mesoscale Discussions in Iowa, 2006Mesoscale Discussions in Minnesota, 2006Every mesoscale discussion in 2006
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.