Alert archive / Missouri / Mesoscale Discussions in 2007
Mesoscale Discussion 1691
The Storm Prediction Center issued this mesoscale discussion at Aug 8, 2007, 7:06 PM CDT for 4 states. It was in force for 54 min.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2007, 7:06 PM CDT (00:06 UTC)
- Expired
- Aug 8, 2007, 8:00 PM CDT
- In force
- 54 min
- Issued by
- the Storm Prediction Center
All 43 counties
Appanoose County, IA, Davis County, IA, Decatur County, IA, Fremont County, IA, Monroe County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Wapello County, IA, Wayne County, IA, Atchison County, KS, Brown County, KS, Doniphan County, KS, Marshall County, KS, Nemaha County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO, Gage County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE
The radar
The Topeka radar (KTWX), 147 km from the middle of the area, began a volume at 00:06 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 (KTOP), launched 00:00Z, 0.1 hours before the alert went out and 125 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
- 2462 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1867 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 8.4
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 8, 9:16 PM CDT | Mesoscale Discussion | SPC | Lee, Van Buren | 59 min |
| Aug 9, 3:32 PM CDT | Mesoscale Discussion | SPC | Boyd, Brown, Cherry, Grant, Holt, Hooker and 4 more | 2 hr |
| Aug 9, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | Blaine, Boyd, Brown, Cherry, Garfield, Grant and 7 more | 7 hr |
| Aug 9, 6:58 PM CDT | Mesoscale Discussion | SPC | Boyd, Brown, Cherry, Holt, Keya Paha, Rock | 92 min |
Nearby
Mesoscale Discussions in Missouri, 2007Mesoscale Discussions in Iowa, 2007Mesoscale Discussions in Nebraska, 2007Every mesoscale discussion in 2007
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.