Alert archive / Illinois / Mesoscale Discussions in 2010
Mesoscale Discussion 1014
The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2010, 7:38 PM CDT for 40 counties in Illinois; 24 counties in Iowa; 11 counties in Missouri. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2010, 7:38 PM CDT (00:38 UTC)
- Expired
- Jun 18, 2010, 9:15 PM CDT
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 75 counties
Appanoose County, IA, Cedar County, IA, Clarke County, IA, Clinton County, IA, Davis County, IA, Decatur County, IA, Des Moines County, IA, Henry County, IA, Jefferson County, IA, Johnson County, IA, Keokuk County, IA, Lee County, IA, Louisa County, IA, Lucas County, IA, Mahaska County, IA, Marion County, IA, Monroe County, IA, Muscatine County, IA, Ringgold County, IA, Scott County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Wayne County, IA, Adams County, IL, Boone County, IL, Brown County, IL, Bureau County, IL, Carroll County, IL, Cass County, IL, DeKalb County, IL, DuPage County, IL, Fulton County, IL, Grundy County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Kane County, IL, Kendall County, IL, Knox County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, McDonough County, IL, McHenry County, IL, McLean County, IL, Menard County, IL, Mercer County, IL, Ogle County, IL, Peoria County, IL, Putnam County, IL, Rock Island County, IL, Schuyler County, IL, Stark County, IL, Stephenson County, IL, Tazewell County, IL, Warren County, IL, Whiteside County, IL, Will County, IL, Winnebago County, IL, Woodford County, IL, Adair County, MO, Clark County, MO, Grundy County, MO, Harrison County, MO, Knox County, MO, Lewis County, MO, Mercer County, MO, Putnam County, MO, Schuyler County, MO, Scotland County, MO, Sullivan County, MO
The radar
The Quad Cities radar (KDVN), 68 km from the middle of the area, began a volume at 00:42 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 0.6 hours before the alert went out and 73 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
- 1389 J/kg
- Mixed-layer CIN
- -99 J/kg
- Mixed-layer LCL
- 1139 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 231 m²/s²
- 0-3 km storm-relative helicity
- 325 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
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 18, 8:05 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Bureau, Cass, Christian, Cook and 36 more | 4 hr |
| Jun 18, 10:46 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Champaign, Christian, Clark and 26 more | 89 min |
| Jun 18, 11:38 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 29 more | 5 hr |
| Jun 19, 2:33 AM CDT | Mesoscale Discussion | SPC | Clay, Clinton, Edwards, Franklin, Gallatin, Hamilton and 19 more | 57 min |
| Jun 19, 1:07 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey | 53 min |
| Jun 19, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more | 5 hr |
| Jun 19, 5:55 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Christian, Clay, Clinton, Cumberland and 28 more | 95 min |
| Jun 18, 8:55 PM CDT | Mesoscale Discussion | SPC | Appanoose, Davis, Decatur, Lucas, Mahaska, Marion and 3 more | 65 min |
| Jun 19, 6:55 PM CDT | Mesoscale Discussion | SPC | Fremont, Mills, Page | 95 min |
| Jun 19, 6:50 AM CDT | Mesoscale Discussion | SPC | Andrew, Buchanan, Caldwell, Clay, Clinton, DeKalb and 3 more | 55 min |
| Jun 19, 8:02 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 24 more | 7 hr |
| Jun 19, 11:29 AM CDT | Mesoscale Discussion | SPC | Buchanan, Caldwell, Carroll, Cass, Clay, Clinton and 6 more | 91 min |
Nearby
Mesoscale Discussions in Illinois, 2010Mesoscale Discussions in Iowa, 2010Mesoscale Discussions in Missouri, 2010Every mesoscale discussion in 2010
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.