Alert archive / Indiana / Severe Thunderstorm Watches in 2012
Severe Thunderstorm Watch 443
The Storm Prediction Center issued this severe thunderstorm watch at Jul 1, 2012, 12:16 PM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2012, 12:16 PM CDT (17:16 UTC)
- Expired
- Jul 1, 2012, 5:54 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 68 counties
Cook County, IL, DuPage County, IL, Iroquois County, IL, Kankakee County, IL, Will County, IL, Adams County, IN, Allen County, IN, Benton County, IN, Blackford County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, DeKalb County, IN, Delaware County, IN, Elkhart County, IN, Fayette County, IN, Fulton County, IN, Grant County, IN, Hamilton County, IN, Hancock County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jasper County, IN, Jay County, IN, Kosciusko County, IN, Lake County, IN, LaPorte County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Miami County, IN, Newton County, IN, Noble County, IN, Porter County, IN, Pulaski County, IN, Randolph County, IN, Rush County, IN, Saint Joseph County, IN, Starke County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Wabash County, IN, Wayne County, IN, Wells County, IN, White County, IN, Whitley County, IN, Berrien County, MI, Cass County, MI, Allen County, OH, Auglaize County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Defiance County, OH, Greene County, OH, Hardin County, OH, Logan County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Paulding County, OH, Preble County, OH, Putnam County, OH, Shelby County, OH, Van Wert County, OH
The radar
The Northern Indiana radar (KIWX), 51 km from the middle of the area, began a volume at 17:17 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
27 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 12:16 PM CDT | Severe Thunderstorm Warning | LOT | Cook, Kankakee, Will | 59 min |
| Jul 1, 12:24 PM CDT | Severe Thunderstorm Warning | LOT | Cook, DuPage, Kane, Kendall, Will | 66 min |
| Jul 1, 12:33 PM CDT | Severe Thunderstorm Warning | IND | Carroll, Clinton, Tippecanoe | 57 min |
| Jul 1, 1:11 PM CDT | Severe Thunderstorm Warning | LOT | Jasper, Lake, Porter | 50 min |
| Jul 1, 1:23 PM CDT | Severe Thunderstorm Warning | IWX | LaPorte, Pulaski, Saint Joseph, Starke | 37 min |
| Jul 1, 1:24 PM CDT | Severe Thunderstorm Warning | IWX | Cass, Grant, Miami, Wabash | 51 min |
| Jul 1, 1:44 PM CDT | Severe Thunderstorm Warning | IWX | Cass, Fulton, Miami, Pulaski, White | 46 min |
| Jul 1, 1:56 PM CDT | Severe Thunderstorm Warning | IND | Tipton | 22 min |
| Jul 1, 1:56 PM CDT | Severe Thunderstorm Warning | IWX | Fulton, LaPorte, Marshall, Pulaski, Saint Joseph, Starke | 49 min |
| Jul 1, 2:16 PM CDT | Severe Thunderstorm Warning | IWX | Huntington, Wabash | 44 min |
| Jul 1, 2:27 PM CDT | Severe Thunderstorm Warning | IWX | Cass, Fulton, Miami, Wabash | 42 min |
| Jul 1, 2:34 PM CDT | Severe Thunderstorm Warning | IWX | Kosciusko, Marshall | 26 min |
| Jul 1, 2:43 PM CDT | Severe Thunderstorm Warning | IWX | Adams, Huntington, Wells | 47 min |
| Jul 1, 2:48 PM CDT | Severe Thunderstorm Warning | IWX | Cass, Saint Joseph | 27 min |
| Jul 1, 2:59 PM CDT | Severe Thunderstorm Warning | IWX | Jay | 46 min |
| Jul 1, 3:14 PM CDT | Severe Thunderstorm Warning | ILN | Darke, Mercer | 46 min |
| Jul 1, 3:18 PM CDT | Severe Thunderstorm Warning | IWX | Adams, Jay | 42 min |
| Jul 1, 3:34 PM CDT | Severe Thunderstorm Warning | ILN | Auglaize, Shelby | 41 min |
| Jul 1, 3:37 PM CDT | Severe Thunderstorm Warning | IND | Randolph | 38 min |
| Jul 1, 3:38 PM CDT | Severe Thunderstorm Warning | ILN | Darke, Miami, Shelby | 52 min |
| Jul 1, 3:52 PM CDT | Severe Thunderstorm Warning | IWX | DeKalb, Steuben | 38 min |
| Jul 1, 4:07 PM CDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Logan, Miami, Shelby | 38 min |
| Jul 1, 4:12 PM CDT | Severe Thunderstorm Warning | ILN | Clark, Darke, Greene, Miami, Montgomery, Preble | 37 min |
| Jul 1, 4:21 PM CDT | Severe Thunderstorm Warning | IWX | Defiance, Fulton, Henry, Williams | 54 min |
| Jul 1, 4:26 PM CDT | Flash Flood Warning | ILN | Auglaize, Miami, Shelby | 115 min |
| Jul 1, 4:29 PM CDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Greene, Madison | 46 min |
| Jul 1, 4:45 PM CDT | Severe Thunderstorm Warning | ILN | Clinton, Fayette, Greene, Madison, Montgomery, Warren | 45 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, 5.3 hours before the alert went out and 229 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
- 2061 J/kg
- Mixed-layer CIN
- -149 J/kg
- Mixed-layer LCL
- 1957 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 67 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 1, 11:33 AM CDT | Mesoscale Discussion | SPC | Cook, DeKalb, DuPage, Grundy, Iroquois, Kane and 4 more | 57 min |
| Jul 1, 1:59 PM CDT | Mesoscale Discussion | SPC | Franklin, Gallatin, Hamilton, Hardin, Jackson, Johnson and 7 more | 61 min |
| Jul 1, 2:56 PM CDT | Mesoscale Discussion | SPC | Adams, Allen, Blackford, Cass, DeKalb, Delaware and 20 more | 94 min |
| Jul 1, 4:59 PM CDT | Severe Thunderstorm Watch | SPC | Clark, Crawford, Dearborn, Dubois, Floyd, Franklin and 9 more | 5 hr |
| Jul 1, 4:19 PM CDT | Mesoscale Discussion | SPC | Lenawee, Monroe | 56 min |
| Jul 1, 5:47 PM CDT | Mesoscale Discussion | SPC | Monroe | 58 min |
| Jul 1, 3:32 PM CDT | Severe Thunderstorm Watch | SPC | Athens, Belmont, Carroll, Clinton, Columbiana, Coshocton and 28 more | 6 hr |
| Jul 1, 4:40 PM CDT | Severe Thunderstorm Watch | SPC | Ashland, Crawford, Cuyahoga, Erie, Geauga, Hancock and 19 more | 4 hr |
| Jul 1, 4:45 PM CDT | Mesoscale Discussion | SPC | Athens, Champaign, Clark, Clinton, Darke, Delaware and 20 more | 60 min |
| Jul 1, 6:22 PM CDT | Mesoscale Discussion | SPC | Carroll, Columbiana, Geauga, Harrison, Jefferson, Mahoning and 4 more | 83 min |
Nearby
Severe Thunderstorm Watches in Indiana, 2012Severe Thunderstorm Watches in Ohio, 2012Severe Thunderstorm Watches in Illinois, 2012Every severe thunderstorm watch in 2012
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.