Alert archive / Kansas / Mesoscale Discussions in 2007
Mesoscale Discussion 1877
The Storm Prediction Center issued this mesoscale discussion at Aug 23, 2007, 11:01 PM CDT for 4 states. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2007, 11:01 PM CDT (04:01 UTC)
- Expired
- Aug 24, 2007, 1:00 AM CDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
All 84 counties
Adair County, IA, Adams County, IA, Appanoose County, IA, Clarke County, IA, Davis County, IA, Decatur County, IA, Fremont County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Montgomery County, IA, Page County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Atchison County, KS, Barton County, KS, Brown County, KS, Clark County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Doniphan County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Geary County, KS, Gray County, KS, Hodgeman County, KS, Jackson County, KS, Jewell County, KS, Kiowa County, KS, Lincoln County, KS, Marshall County, KS, Meade County, KS, Mitchell County, KS, Nemaha County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Pottawatomie County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Stafford County, KS, Trego County, KS, Washington County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Mercer County, MO, Nodaway County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO, Gage County, NE, Jefferson County, NE, Johnson County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Thayer County, NE
The radar
The Topeka radar (KTWX), 88 km from the middle of the area, began a volume at 04:02 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
Topeka, KS (KFOE), launched 00:00Z, 4.0 hours before the alert went out and 92 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
- 1471 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1851 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
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 23, 7:10 PM CDT | Severe Thunderstorm Watch | SPC | Des Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 4 more | 5 hr |
| Aug 23, 7:47 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 17 more | 118 min |
| Aug 23, 7:55 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Cass, Clarke, Davis and 17 more | 2 hr |
| Aug 23, 11:07 PM CDT | Mesoscale Discussion | SPC | Des Moines, Henry, Louisa, Washington | 53 min |
| Aug 23, 7:18 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Greeley, Logan, Rawlins, Sherman, Thomas and 1 more | 117 min |
| Aug 23, 7:39 PM CDT | Mesoscale Discussion | SPC | Barton, Clark, Edwards, Ellis, Ellsworth, Finney and 24 more | 2 hr |
| Aug 24, 3:05 AM CDT | Mesoscale Discussion | SPC | Atchison, Doniphan | 115 min |
| Aug 24, 1:31 PM CDT | Mesoscale Discussion | SPC | Cherokee | 89 min |
| Aug 24, 11:12 AM CDT | Mesoscale Discussion | SPC | Bollinger, Camden, Cape Girardeau, Christian, Cole, Crawford and 34 more | 93 min |
| Aug 24, 12:19 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Boone, Callaway, Camden, Cole, Crawford and 31 more | 8 hr |
| Aug 24, 2:44 PM CDT | Mesoscale Discussion | SPC | Crawford, Dent, Franklin, Jefferson, Laclede, Maries and 11 more | 91 min |
| Aug 24, 5:50 PM CDT | Mesoscale Discussion | SPC | Bollinger, Cape Girardeau, Carter, Crawford, Dent, Franklin and 21 more | 85 min |
Nearby
Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Iowa, 2007Mesoscale Discussions in Missouri, 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.