Alert archive / Missouri / Mesoscale Discussions in 2014
Mesoscale Discussion 1706
The Storm Prediction Center issued this mesoscale discussion at Sep 10, 2014, 5:02 AM CDT for 10 counties in Illinois; 13 counties in Missouri. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Sep 10, 2014, 5:02 AM CDT (10:02 UTC)
- Expired
- Sep 10, 2014, 7:00 AM CDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 5%
All 23 counties
Adams County, IL, Brown County, IL, Cass County, IL, Hancock County, IL, McDonough County, IL, Menard County, IL, Morgan County, IL, Pike County, IL, Schuyler County, IL, Scott County, IL, Audrain County, MO, Chariton County, MO, Clark County, MO, Howard County, MO, Knox County, MO, Lewis County, MO, Macon County, MO, Marion County, MO, Monroe County, MO, Pike County, MO, Ralls County, MO, Randolph County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 136 km from the middle of the area, began a volume at 10:02 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
Davenport, (KDVN), launched 00:00Z, 10.0 hours before the alert went out and 240 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
- 162 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 1059 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 102 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 |
|---|---|---|---|---|
| Sep 10, 10:34 AM CDT | Mesoscale Discussion | SPC | Clark, Coles, Douglas, Edgar, Vermilion | 116 min |
| Sep 10, 1:48 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 31 more | 117 min |
| Sep 10, 3:24 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 37 more | 6 hr |
| Sep 10, 4:36 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 13 more | 84 min |
| Sep 10, 6:22 PM CDT | Mesoscale Discussion | SPC | Bond, Clark, Clay, Clinton, Coles, Crawford and 19 more | 83 min |
| Sep 9, 9:00 PM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, Caldwell, Carroll, Clinton, Daviess and 7 more | 90 min |
| Sep 9, 11:28 PM CDT | Mesoscale Discussion | SPC | Buchanan, Caldwell, Carroll, Chariton, Clay, Clinton and 4 more | 32 min |
Nearby
Mesoscale Discussions in Missouri, 2014Mesoscale Discussions in Illinois, 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.