Alert archive / Kansas / Mesoscale Discussions in 2011
Mesoscale Discussion 246
The Storm Prediction Center issued this mesoscale discussion at Mar 22, 2011, 1:19 PM CDT for 4 states. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Mar 22, 2011, 1:19 PM CDT (18:19 UTC)
- Expired
- Mar 22, 2011, 3:15 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
All 89 counties
Adams County, IA, Cass County, IA, Crawford County, IA, Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Taylor County, IA, Woodbury County, IA, Allen County, KS, Anderson County, KS, Atchison County, KS, Brown 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, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, Miami County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Saline County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Clay County, MO, Clinton County, MO, DeKalb County, MO, Gentry County, MO, Holt County, MO, Nodaway County, MO, Platte County, MO, Worth County, MO, Burt County, NE, Butler County, NE, Cass County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, York County, NE
The radar
The Omaha radar (KOAX), 110 km from the middle of the area, began a volume at 18:24 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
Omaha, NE (KOAX), launched 12:00Z, 6.3 hours before the alert went out and 110 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
- 486 J/kg
- Mixed-layer CIN
- -475 J/kg
- Mixed-layer LCL
- 777 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 477 m²/s²
- 0-3 km storm-relative helicity
- 501 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 |
|---|---|---|---|---|
| Mar 21, 10:05 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 17 more | 115 min |
| Mar 22, 2:03 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Audubon, Boone, Calhoun and 38 more | 7 hr |
| Mar 22, 5:33 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Harrison, Madison and 2 more | 57 min |
| Mar 22, 3:20 PM CDT | Mesoscale Discussion | SPC | Chautauqua, Cowley, Sumner | 85 min |
Nearby
Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Nebraska, 2011Mesoscale Discussions in Iowa, 2011Every mesoscale discussion in 2011
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.