Alert archive / Missouri / Mesoscale Discussions in 2009
Mesoscale Discussion 922
The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2009, 2:14 PM CDT for 14 counties in Kansas; 21 counties in Missouri. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2009, 2:14 PM CDT (19:14 UTC)
- Expired
- Jun 2, 2009, 4:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Anderson County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Bates County, MO, Benton County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Cooper County, MO, Henry County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Moniteau County, MO, Morgan County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO
The radar
The Pleasant Hill radar (KEAX), 27 km from the middle of the area, began a volume at 19:17 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, 7.2 hours before the alert went out and 147 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
- 532 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 865 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 |
|---|---|---|---|---|
| Jun 1, 9:27 PM CDT | Mesoscale Discussion | SPC | Jewell, Republic, Smith, Washington | 63 min |
| Jun 1, 11:40 PM CDT | Mesoscale Discussion | SPC | Atchison, Clay, Cloud, Dickinson, Geary, Jackson and 10 more | 2 hr |
| Jun 2, 1:35 PM CDT | Mesoscale Discussion | SPC | Finney, Ford, Grant, Gray, Greeley, Hamilton and 11 more | 55 min |
| Jun 2, 11:58 AM CDT | Mesoscale Discussion | SPC | Audrain, Bollinger, Boone, Callaway, Cape Girardeau, Cole and 27 more | 92 min |
| Jun 2, 12:27 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Bollinger, Boone, Callaway, Cape Girardeau, Cole and 26 more | 8 hr |
| Jun 2, 3:47 PM CDT | Mesoscale Discussion | SPC | Saint Charles, Saint Louis, City of Saint Louis | 88 min |
| Jun 2, 6:22 PM CDT | Mesoscale Discussion | SPC | Jefferson, Lincoln, Marion, Pike, Ralls, Saint Charles and 5 more | 83 min |
Nearby
Mesoscale Discussions in Missouri, 2009Mesoscale Discussions in Kansas, 2009Every mesoscale discussion in 2009
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.