Alert archive / Indiana / Mesoscale Discussions in 2007
Mesoscale Discussion 600
The Storm Prediction Center issued this mesoscale discussion at Apr 26, 2007, 4:55 PM CDT for 16 counties in Illinois; 42 counties in Indiana. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Apr 26, 2007, 4:55 PM CDT (21:55 UTC)
- Expired
- Apr 26, 2007, 6:30 PM CDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
All 58 counties
Champaign County, IL, Clark County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Ford County, IL, Iroquois County, IL, Jasper County, IL, Lawrence County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Shelby County, IL, Vermilion County, IL, Bartholomew County, IN, Benton County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Howard County, IN, Jackson County, IN, Jasper County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Miami County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Newton County, IN, Owen County, IN, Parke County, IN, Pulaski County, IN, Putnam County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, White County, IN
The radar
The Indianapolis radar (KIND), 68 km from the middle of the area, began a volume at 21:56 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
Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 136 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
- 171 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 528 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 79 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 |
|---|---|---|---|---|
| Apr 26, 12:51 PM CDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, DeKalb, Delaware, Elkhart and 22 more | 54 min |
| Apr 26, 1:26 PM CDT | Tornado Watch | SPC | Adams, Allen, Blackford, Dearborn, DeKalb, Elkhart and 24 more | 8 hr |
| Apr 26, 2:07 PM CDT | Mesoscale Discussion | SPC | Clark, Floyd | 53 min |
| Apr 26, 3:18 PM CDT | Tornado Watch | SPC | Clark, Floyd, Jefferson, Scott | 7 hr |
| Apr 26, 5:42 PM CDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Carroll, Cass, Clinton and 31 more | 93 min |
Nearby
Mesoscale Discussions in Indiana, 2007Mesoscale Discussions in Illinois, 2007Every mesoscale discussion in 2007
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.