Alert archive / Indiana / Mesoscale Discussions in 2005
Mesoscale Discussion 2255
The Storm Prediction Center issued this mesoscale discussion at Sep 22, 2005, 8:44 PM CDT for 4 states. It was in force for 31 min.
The area
The outline as issued.
The facts
- Issued
- Sep 22, 2005, 8:44 PM CDT (01:44 UTC)
- Expired
- Sep 22, 2005, 9:15 PM CDT
- In force
- 31 min
- Issued by
- the Storm Prediction Center
All 50 counties
Cook County, IL, DuPage County, IL, Grundy County, IL, Kankakee County, IL, Kendall County, IL, Will County, IL, Allen County, IN, DeKalb County, IN, Elkhart County, IN, Fulton County, IN, Jasper County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Noble County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Steuben County, IN, Whitley County, IN, Berrien County, MI, Branch County, MI, Calhoun County, MI, Cass County, MI, Hillsdale County, MI, Jackson County, MI, Kalamazoo County, MI, Lenawee County, MI, Livingston County, MI, Macomb County, MI, Monroe County, MI, Oakland County, MI, Saint Joseph County, MI, Washtenaw County, MI, Wayne County, MI, Defiance County, OH, Fulton County, OH, Hancock County, OH, Henry County, OH, Lucas County, OH, Ottawa County, OH, Paulding County, OH, Putnam County, OH, Sandusky County, OH, Seneca County, OH, Williams County, OH, Wood County, OH
The radar
The Northern Indiana radar (KIWX), 47 km from the middle of the area, began a volume at 01:46 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 00:00Z, 1.7 hours before the alert went out and 254 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
- 866 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 2102 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- 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 |
|---|---|---|---|---|
| Sep 23, 2:36 PM CDT | Mesoscale Discussion | SPC | Clay, Crawford, Edwards, Franklin, Gallatin, Hamilton and 13 more | 84 min |
| Sep 23, 2:48 PM CDT | Mesoscale Discussion | SPC | Meigs | 117 min |
Nearby
Mesoscale Discussions in Indiana, 2005Mesoscale Discussions in Michigan, 2005Mesoscale Discussions in Ohio, 2005Every mesoscale discussion in 2005
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.