Alert archive / Indiana / Mesoscale Discussions in 2014
Mesoscale Discussion 1614
The Storm Prediction Center issued this mesoscale discussion at Aug 25, 2014, 1:10 PM CDT for 7 counties in Illinois; 27 counties in Indiana; 4 counties in Michigan. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2014, 1:10 PM CDT (18:10 UTC)
- Expired
- Aug 25, 2014, 3:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 38 counties
Cook County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kankakee County, IL, Livingston County, IL, Will County, IL, Allen County, IN, Benton County, IN, Carroll County, IN, Cass County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Kosciusko County, IN, LaGrange County, IN, Lake County, IN, LaPorte County, IN, Marshall County, IN, Miami County, IN, Newton County, IN, Noble County, IN, Porter County, IN, Pulaski County, IN, Saint Joseph County, IN, Starke County, IN, Tippecanoe County, IN, Wabash County, IN, Warren County, IN, White County, IN, Whitley County, IN, Berrien County, MI, Cass County, MI, Kalamazoo County, MI, Saint Joseph County, MI
The radar
The Chicago radar (KLOT), 87 km from the middle of the area, began a volume at 18:11 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, 6.2 hours before the alert went out and 164 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
- 2485 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1067 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 70 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 |
|---|---|---|---|---|
| Aug 25, 3:34 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Champaign, DeKalb, Ford, Grundy, Henry and 15 more | 4 hr |
| Aug 25, 5:30 PM CDT | Mesoscale Discussion | SPC | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 9 more | 60 min |
Nearby
Mesoscale Discussions in Indiana, 2014Mesoscale Discussions in Illinois, 2014Mesoscale Discussions in Michigan, 2014Every mesoscale discussion in 2014
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.