Alert archive / Kansas / Mesoscale Discussions in 2014
Mesoscale Discussion 326
The Storm Prediction Center issued this mesoscale discussion at Apr 12, 2014, 4:46 PM CDT for 4 states. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2014, 4:46 PM CDT (21:46 UTC)
- Expired
- Apr 12, 2014, 5:45 PM CDT
- In force
- 59 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 69 counties
Adams County, IA, Cass County, IA, Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Atchison County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Leavenworth County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Reno County, KS, Republic County, KS, Riley County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Clinton County, MO, DeKalb County, MO, Gentry County, MO, Harrison County, MO, Holt County, MO, Nodaway County, MO, Platte County, MO, Worth County, MO, Cass County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Thayer County, NE
The radar
The Topeka radar (KTWX), 59 km from the middle of the area, began a volume at 21:50 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
Topeka, KS (KFOE), launched 12:00Z, 9.8 hours before the alert went out and 83 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
- 424 J/kg
- Mixed-layer CIN
- -339 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 178 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 |
|---|---|---|---|---|
| Apr 12, 10:24 AM CDT | Mesoscale Discussion | SPC | Allamakee, Winneshiek | 2 hr |
| Apr 12, 2:30 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Benton, Black Hawk, Boone, Bremer and 44 more | 2 hr |
| Apr 12, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Allamakee, Audubon, Benton, Black Hawk, Boone and 50 more | 7 hr |
| Apr 12, 6:20 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Allamakee, Audubon, Benton, Black Hawk and 46 more | 55 min |
| Apr 12, 6:26 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Appanoose, Clarke, Davis, Decatur, Fremont and 10 more | 8 hr |
Nearby
Mesoscale Discussions in Kansas, 2014Mesoscale Discussions in Nebraska, 2014Mesoscale Discussions in Missouri, 2014Every mesoscale discussion in 2014
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.