Alert archive / Indiana / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 644
The Storm Prediction Center issued this severe thunderstorm watch at Jul 18, 2005, 12:10 PM CDT for Champaign County, Iroquois County, Vermilion County, Illinois; 37 counties in Indiana; 9 counties in Ohio. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2005, 12:10 PM CDT (17:10 UTC)
- Expired
- Jul 18, 2005, 7:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 49 counties
Champaign County, IL, Iroquois County, IL, Vermilion County, IL, Adams County, IN, Allen County, IN, Benton County, IN, Blackford County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fountain County, IN, Fulton County, IN, Grant County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Jay County, IN, Kosciusko County, IN, LaGrange County, IN, LaPorte County, IN, Madison 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, Steuben County, IN, Tippecanoe County, IN, Tipton County, IN, Wabash County, IN, Warren County, IN, Wells County, IN, White County, IN, Whitley County, IN, Defiance County, OH, Fulton County, OH, Henry County, OH, Lucas County, OH, Mercer County, OH, Paulding County, OH, Putnam County, OH, Van Wert County, OH, Williams County, OH
The radar
The Northern Indiana radar (KIWX), 58 km from the middle of the area, began a volume at 17:13 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.
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 2:54 PM CDT | Severe Thunderstorm Warning | IWX | Kosciusko, Marshall | 66 min |
| Jul 18, 3:24 PM CDT | Severe Thunderstorm Warning | IWX | LaGrange, Noble | 66 min |
| Jul 18, 6:40 PM CDT | Severe Thunderstorm Warning | IND | Hamilton, Madison | 27 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 5.2 hours before the alert went out and 222 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
- 876 J/kg
- Mixed-layer CIN
- -89 J/kg
- Mixed-layer LCL
- 1265 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 11:29 AM CDT | Mesoscale Discussion | SPC | Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 11 more | 2 hr |
| Jul 18, 1:17 PM CDT | Mesoscale Discussion | SPC | Champaign, Iroquois, Vermilion | 118 min |
| Jul 18, 3:24 PM CDT | Mesoscale Discussion | SPC | Champaign, Iroquois, Vermilion | 2 hr |
| Jul 18, 5:36 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Effingham, Jasper, Lawrence and 3 more | 54 min |
Nearby
Severe Thunderstorm Watches in Indiana, 2005Severe Thunderstorm Watches in Ohio, 2005Severe Thunderstorm Watches in Illinois, 2005Every severe thunderstorm watch 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.