Alert archive / Missouri / Mesoscale Discussions in 2006
Mesoscale Discussion 918
The Storm Prediction Center issued this mesoscale discussion at May 20, 2006, 11:53 PM CDT for Clay County, Arkansas; 17 counties in Kansas; 23 counties in Missouri. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- May 20, 2006, 11:53 PM CDT (04:53 UTC)
- Expired
- May 21, 2006, 1:30 AM CDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 41 counties
Clay County, AR, Allen County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Harvey County, KS, Labette County, KS, Marion County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Butler County, MO, Carter County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Jasper County, MO, Lawrence County, MO, Newton County, MO, Oregon County, MO, Ozark County, MO, Polk County, MO, Ripley County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 20 km from the middle of the area, began a volume at 04:55 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
Springfield, MO (KSGF), launched 00:00Z, 4.9 hours before the alert went out and 42 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
- 1336 J/kg
- Mixed-layer CIN
- -257 J/kg
- Mixed-layer LCL
- 1135 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 412 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.2
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 |
|---|---|---|---|---|
| May 20, 9:28 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 4 more | 62 min |
| May 20, 11:32 PM CDT | Mesoscale Discussion | SPC | Mississippi | 88 min |
| May 21, 2:49 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Fulton, Izard and 1 more | 116 min |
| May 21, 3:35 PM CDT | Mesoscale Discussion | SPC | Grant, Greeley, Hamilton, Kearny, Morton, Stanton and 3 more | 115 min |
Nearby
Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Kansas, 2006Mesoscale Discussions in Arkansas, 2006Every mesoscale discussion in 2006
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.