Alert archive / Missouri / Mesoscale Discussions in 2015
Mesoscale Discussion 1799
The Storm Prediction Center issued this mesoscale discussion at Sep 11, 2015, 12:53 AM CDT for 18 counties in Missouri; 14 counties in Oklahoma. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- Sep 11, 2015, 12:53 AM CDT (05:53 UTC)
- Expired
- Sep 11, 2015, 2:00 AM CDT
- In force
- 67 min
- Issued by
- the Storm Prediction Center
All 32 counties
Barry County, MO, Benton County, MO, Camden County, MO, Christian County, MO, Dallas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Polk County, MO, Stone County, MO, Taney County, MO, Webster County, MO, Craig County, OK, Delaware County, OK, Garfield County, OK, Kingfisher County, OK, Logan County, OK, Mayes County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Washington County, OK
The radar
The Springfield radar (KSGF), 119 km from the middle of the area, began a volume at 05:54 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 00:00Z, 5.9 hours before the alert went out and 214 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
- 3190 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1398 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 9.7
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 10, 8:03 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Bates, Cass, Jackson, Jasper, Vernon | 5 hr |
| Sep 10, 8:22 PM CDT | Mesoscale Discussion | SPC | Adair, Clark, Knox, Lewis, Macon, Marion and 8 more | 113 min |
| Sep 10, 10:18 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Cass, Jasper, Vernon | 87 min |
| Sep 10, 7:35 PM CDT | Mesoscale Discussion | SPC | Beaver, Harper, Texas | 115 min |
| Sep 11, 2:12 AM CDT | Mesoscale Discussion | SPC | Creek, Lincoln, Okfuskee, Okmulgee | 93 min |
Nearby
Mesoscale Discussions in Missouri, 2015Mesoscale Discussions in Oklahoma, 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.