Alert archive / Missouri / Mesoscale Discussions in 2004
Mesoscale Discussion 2134
The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2004, 3:49 PM CDT for 7 counties in Illinois; 16 counties in Kansas; 63 counties in Missouri. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Aug 27, 2004, 3:49 PM CDT (20:49 UTC)
- Expired
- Aug 27, 2004, 5:15 PM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 86 counties
Calhoun County, IL, Cass County, IL, Greene County, IL, Jersey County, IL, Morgan County, IL, Pike County, IL, Scott County, IL, Atchison County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Miami County, KS, Osage County, KS, Pottawatomie County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Adair County, MO, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, City of Saint Louis, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, DeKalb County, MO, Franklin County, MO, Gasconade County, MO, Grundy County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Mercer County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Pike County, MO, Platte County, MO, Polk County, MO, Pulaski County, MO, Putnam County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saint Charles County, MO, Saint Louis County, MO, Saline County, MO, Schuyler County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Warren County, MO
The radar
The Pleasant Hill radar (KEAX), 62 km from the middle of the area, began a volume at 20:49 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 12:00Z, 8.8 hours before the alert went out and 183 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
- 2123 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 790 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 273 m²/s²
- 0-3 km storm-relative helicity
- 272 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 12.6
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 26, 9:13 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Rock Island, Stephenson | 62 min |
| Aug 26, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 6 hr |
| Aug 26, 11:53 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DeKalb, DuPage, Grundy, Kane and 8 more | 97 min |
| Aug 27, 1:25 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Cook, DeKalb, DeWitt, DuPage and 25 more | 6 hr |
| Aug 27, 1:49 AM CDT | Mesoscale Discussion | SPC | Henderson, Henry, Mercer, Ogle, Rock Island, Whiteside and 1 more | 56 min |
| Aug 27, 4:36 AM CDT | Mesoscale Discussion | SPC | Cook, DeWitt, Ford, Fulton, Grundy, Hancock and 11 more | 84 min |
| Aug 27, 6:33 AM CDT | Mesoscale Discussion | SPC | Champaign, DeWitt, Ford, Iroquois, McLean, Mason and 4 more | 27 min |
| Aug 27, 9:24 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Macoupin, Madison, Morgan and 2 more | 96 min |
| Aug 27, 9:40 AM CDT | Severe Thunderstorm Watch | SPC | Brown, Calhoun, Cass, Greene, Jersey, Macoupin and 7 more | 5 hr |
| Aug 27, 1:07 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Greene, Jersey and 6 more | 113 min |
| Aug 27, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Calhoun, Cass, Greene, Jersey, Morgan, Pike and 1 more | 6 hr |
| Aug 27, 4:10 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Fulton, Hancock, Henderson and 14 more | 2 hr |
| Aug 27, 2:45 PM CDT | Severe Thunderstorm Watch | SPC | Atchison, Coffey, Doniphan, Douglas, Franklin, Jackson and 10 more | 6 hr |
| Aug 27, 4:54 PM CDT | Mesoscale Discussion | SPC | Butler, Cowley, Sumner | 96 min |
| Aug 27, 5:20 PM CDT | Severe Thunderstorm Watch | SPC | Butler, Chautauqua, Cowley, Elk, Sumner, Wilson | 6 hr |
| Aug 26, 7:45 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Daviess, Gentry, Harrison, Holt and 3 more | 90 min |
Nearby
Mesoscale Discussions in Missouri, 2004Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Illinois, 2004Every mesoscale discussion in 2004
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.