Alert archive / Missouri / Mesoscale Discussions in 2004
Mesoscale Discussion 2243
The Storm Prediction Center issued this mesoscale discussion at Sep 18, 2004, 1:18 AM CDT for 7 counties in Iowa; Wyandotte County, Kansas; 30 counties in Missouri. It was in force for 117 min.
The area
The outline as issued.
The facts
- Issued
- Sep 18, 2004, 1:18 AM CDT (06:18 UTC)
- Expired
- Sep 18, 2004, 3:15 AM CDT
- In force
- 117 min
- Issued by
- the Storm Prediction Center
All 38 counties
Clarke County, IA, Decatur County, IA, Lucas County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wayne County, IA, Wyandotte County, KS, Andrew County, MO, Bates County, MO, Benton County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Saline County, MO, Sullivan County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 112 km from the middle of the area, began a volume at 06:21 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, 6.3 hours before the alert went out and 172 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
- 3 J/kg
- Mixed-layer CIN
- -819 J/kg
- Mixed-layer LCL
- 1757 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 408 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.9
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 17, 7:39 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Montgomery, Page, Ringgold, Taylor | 2 hr |
| Sep 17, 10:27 PM CDT | Mesoscale Discussion | SPC | Atchison, Doniphan, Jefferson, Johnson, Leavenworth, Wyandotte | 2 hr |
Nearby
Mesoscale Discussions in Missouri, 2004Mesoscale Discussions in Iowa, 2004Mesoscale Discussions in Kansas, 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.