Alert archive / Nebraska / Mesoscale Discussions in 2013
Mesoscale Discussion 1341
The Storm Prediction Center issued this mesoscale discussion at Jul 7, 2013, 9:14 PM CDT for 34 counties in Iowa; 58 counties in Nebraska; 10 counties in South Dakota. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2013, 9:14 PM CDT (02:14 UTC)
- Expired
- Jul 7, 2013, 11:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 102 counties
Audubon County, IA, Boone County, IA, Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Emmet County, IA, Greene County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Harrison County, IA, Humboldt County, IA, Ida County, IA, Kossuth County, IA, Lyon County, IA, Mills County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Pottawattamie County, IA, Sac County, IA, Shelby County, IA, Sioux County, IA, Webster County, IA, Woodbury County, IA, Wright County, IA, Adams County, NE, Antelope County, NE, Arthur County, NE, Boone County, NE, Buffalo County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Custer County, NE, Dakota County, NE, Dawson County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Garden County, NE, Garfield County, NE, Gosper County, NE, Grant County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Hayes County, NE, Howard County, NE, Kearney County, NE, Keith County, NE, Lancaster County, NE, Lincoln County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Otoe County, NE, Perkins County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sheridan County, NE, Sherman County, NE, Stanton County, NE, Thurston County, NE, Valley County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE, Butte County, SD, Clay County, SD, Custer County, SD, Fall River County, SD, Harding County, SD, Lawrence County, SD, Meade County, SD, Oglala Lakota County, SD, Pennington County, SD, Union County, SD
The radar
The North Platte radar (KLNX), 83 km from the middle of the area, began a volume at 02:16 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, 2.2 hours before the alert went out and 165 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
- 1221 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 2100 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
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 |
|---|---|---|---|---|
| Jul 8, 3:21 PM CDT | Mesoscale Discussion | SPC | Boone, Butler, Calhoun, Carroll, Crawford, Franklin and 13 more | 54 min |
| Jul 8, 2:51 PM CDT | Mesoscale Discussion | SPC | Antelope, Arthur, Banner, Blaine, Box Butte, Boyd and 25 more | 54 min |
| Jul 8, 4:00 PM CDT | Severe Thunderstorm Watch | SPC | Arthur, Blaine, Boyd, Brown, Cherry, Garden and 12 more | 7 hr |
| Jul 8, 4:42 PM CDT | Mesoscale Discussion | SPC | Banner, Box Butte, Cheyenne, Dawes, Morrill, Scotts Bluff and 1 more | 2 hr |
| Jul 8, 5:01 PM CDT | Severe Thunderstorm Watch | SPC | Butte, Custer, Fall River, Haakon, Harding, Jackson and 5 more | 8 hr |
| Jul 8, 5:58 PM CDT | Mesoscale Discussion | SPC | Harding | 2 hr |
Nearby
Mesoscale Discussions in Nebraska, 2013Mesoscale Discussions in Iowa, 2013Mesoscale Discussions in South Dakota, 2013Every mesoscale discussion in 2013
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.