Alert archive / Missouri / Mesoscale Discussions in 2014
Mesoscale Discussion 1659
The Storm Prediction Center issued this mesoscale discussion at Sep 1, 2014, 3:51 PM CDT for 40 counties in Missouri. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2014, 3:51 PM CDT (20:51 UTC)
- Expired
- Sep 1, 2014, 6:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 40 counties
Barry County, MO, Barton County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Cole County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Jefferson County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Ozark County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Reynolds County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Washington County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 98 km from the middle of the area, began a volume at 20:50 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
Springfield, MO (KSGF), launched 12:00Z, 8.9 hours before the alert went out and 146 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 959 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -344 m²/s²
- 0-3 km storm-relative helicity
- -142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 |
|---|---|---|---|---|
| Aug 31, 7:12 PM CDT | Tornado Watch | SPC | Andrew, Atchison, Gentry, Harrison, Holt, Mercer and 2 more | 6 hr |
| Aug 31, 8:14 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Bates, Buchanan, Caldwell, Carroll, Cass and 23 more | 8 hr |
| Aug 31, 9:09 PM CDT | Mesoscale Discussion | SPC | Adair, Caldwell, Daviess, DeKalb, Gentry, Grundy and 8 more | 96 min |
| Aug 31, 9:39 PM CDT | Mesoscale Discussion | SPC | Buchanan, Caldwell, Carroll, Cass, Chariton, Clay and 11 more | 96 min |
| Sep 1, 5:57 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Barry, Barton, Bates, Benton, Boone and 49 more | 8 hr |
Nearby
Mesoscale 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.