Alert archive / Nebraska / Mesoscale Discussions in 2005
Mesoscale Discussion 2181
The Storm Prediction Center issued this mesoscale discussion at Sep 12, 2005, 8:24 PM CDT for 9 counties in Kansas; 31 counties in Nebraska. It was in force for 96 min.
The area
The outline as issued.
The facts
- Issued
- Sep 12, 2005, 8:24 PM CDT (01:24 UTC)
- Expired
- Sep 12, 2005, 10:00 PM CDT
- In force
- 96 min
- Issued by
- the Storm Prediction Center
All 40 counties
Cloud County, KS, Graham County, KS, Jewell County, KS, Mitchell County, KS, Osborne County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Smith County, KS, Adams County, NE, Antelope County, NE, Boone County, NE, Boyd County, NE, Buffalo County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Holt County, NE, Howard County, NE, Kearney County, NE, Knox County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Webster County, NE, Wheeler County, NE, York County, NE
The radar
The Grand Island radar (KUEX), 60 km from the middle of the area, began a volume at 01:26 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
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.4 hours before the alert went out and 148 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
- 1289 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1827 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.4
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 13, 2:17 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 29 more | 2 hr |
| Sep 13, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Bourbon, Cherokee, Crawford, Linn, Miami | 6 hr |
| Sep 13, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 19 more | 6 hr |
Nearby
Mesoscale Discussions in Nebraska, 2005Mesoscale Discussions in Kansas, 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.