Alert archive / Indiana / Mesoscale Discussions in 2008
Mesoscale Discussion 1503
The Storm Prediction Center issued this mesoscale discussion at Jun 21, 2008, 9:32 AM CDT for 4 states. It was in force for 88 min.
The area
The outline as issued.
The facts
- Issued
- Jun 21, 2008, 9:32 AM CDT (14:32 UTC)
- Expired
- Jun 21, 2008, 11:00 AM CDT
- In force
- 88 min
- Issued by
- the Storm Prediction Center
All 71 counties
Champaign County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Ford County, IL, Iroquois County, IL, Moultrie County, IL, Piatt County, IL, Vermilion County, IL, Adams County, IN, Allen County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hendricks County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Montgomery County, IN, Newton County, IN, Noble County, IN, Parke County, IN, Pulaski County, IN, Putnam County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN, Whitley County, IN, Branch County, MI, Calhoun County, MI, Cass County, MI, Hillsdale County, MI, Ingham County, MI, Jackson County, MI, Kalamazoo County, MI, Lenawee County, MI, Livingston County, MI, Saint Joseph County, MI, Washtenaw County, MI, Defiance County, OH, Fulton County, OH, Paulding County, OH, Williams County, OH
The radar
The Northern Indiana radar (KIWX), 66 km from the middle of the area, began a volume at 14:32 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
Lincoln, IL (KILX), launched 12:00Z, 2.5 hours before the alert went out and 220 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
- 996 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1325 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 21, 3:01 PM CDT | Mesoscale Discussion | SPC | Bond, Clinton, Franklin, Jackson, Jefferson, Madison and 6 more | 89 min |
| Jun 21, 10:52 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Allen, Bartholomew, Blackford, Boone, Brown and 57 more | 7 hr |
| Jun 21, 1:38 PM CDT | Mesoscale Discussion | SPC | Adams, Allen, Bartholomew, Benton, Blackford, Boone and 57 more | 97 min |
| Jun 21, 3:36 PM CDT | Severe Thunderstorm Watch | SPC | Dearborn, Franklin, Ohio, Ripley | 4 hr |
| Jun 21, 6:04 PM CDT | Mesoscale Discussion | SPC | Dearborn, Fayette, Franklin, Ripley, Union | 116 min |
Nearby
Mesoscale Discussions in Indiana, 2008Mesoscale Discussions in Illinois, 2008Mesoscale Discussions in Michigan, 2008Every mesoscale discussion in 2008
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.