Alert archive / Missouri / Mesoscale Discussions in 2012
Mesoscale Discussion 513
The Storm Prediction Center issued this mesoscale discussion at Apr 13, 2012, 7:34 PM CDT for 35 counties in Missouri. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2012, 7:34 PM CDT (00:34 UTC)
- Expired
- Apr 13, 2012, 9:30 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
All 35 counties
Barry County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howell County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Osage County, MO, Ozark County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 82 km from the middle of the area, began a volume at 00:34 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
Springfield, MO (KSGF), launched 00:00Z, 0.6 hours before the alert went out and 133 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
- 677 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 132 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
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 13, 9:14 PM CDT | Mesoscale Discussion | SPC | Bates, Vernon | 61 min |
| Apr 14, 4:47 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Daviess, DeKalb, Gentry and 6 more | 58 min |
| Apr 14, 5:00 PM CDT | Tornado Watch | SPC | Adair, Andrew, Atchison, Buchanan, Caldwell, Clinton and 15 more | 7 hr |
| Apr 14, 6:57 PM CDT | Mesoscale Discussion | SPC | Adair, Andrew, Atchison, Daviess, DeKalb, Gentry and 9 more | 63 min |
Nearby
Mesoscale Discussions in Missouri, 2012Every mesoscale discussion in 2012
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.