Alert archive / Missouri / Mesoscale Discussions in 2015
Mesoscale Discussion 977
The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2015, 5:48 PM CDT for 6 counties in Iowa; 11 counties in Missouri; 4 counties in Nebraska. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2015, 5:48 PM CDT (22:48 UTC)
- Expired
- Jun 11, 2015, 7:15 PM CDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
All 21 counties
Decatur County, IA, Fremont County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Wayne County, IA, Andrew County, MO, Atchison County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Mercer County, MO, Nodaway County, MO, Worth County, MO, Johnson County, NE, Nemaha County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Omaha radar (KOAX), 162 km from the middle of the area, began a volume at 22:49 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
Topeka, KS (KFOE), launched 12:00Z, 10.8 hours before the alert went out and 161 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
- 128 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 907 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 |
|---|---|---|---|---|
| Jun 11, 1:01 PM CDT | Mesoscale Discussion | SPC | Adams, Cass, Fremont, Mills, Montgomery, Page and 2 more | 119 min |
| Jun 11, 1:53 PM CDT | Tornado Watch | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 13 more | 7 hr |
| Jun 11, 4:47 PM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, Clay, Clinton, Platte | 58 min |
| Jun 11, 5:22 PM CDT | Severe Thunderstorm Watch | SPC | Buchanan, Caldwell, Clay, Clinton, Daviess, DeKalb and 3 more | 7 hr |
| Jun 10, 8:26 PM CDT | Mesoscale Discussion | SPC | Adams, Boone, Buffalo, Butler, Clay, Custer and 26 more | 64 min |
| Jun 11, 1:49 PM CDT | Mesoscale Discussion | SPC | Banner, Cheyenne, Kimball | 116 min |
Nearby
Mesoscale Discussions in Missouri, 2015Mesoscale Discussions in Iowa, 2015Mesoscale Discussions in Nebraska, 2015Every mesoscale discussion in 2015
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.