Alert archive / Indiana / Tornado Watches in 2006
Tornado Watch 164
The Storm Prediction Center issued this tornado watch at Apr 7, 2006, 12:52 PM CDT for 33 counties in Illinois; 57 counties in Indiana; Saint Charles County, Saint Louis County, City of Saint Louis, Missouri. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 7, 2006, 12:52 PM CDT (17:52 UTC)
- Expired
- Apr 7, 2006, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 93 counties
Bond County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clay County, IL, Clinton County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fayette County, IL, Greene County, IL, Jasper County, IL, Jersey County, IL, Lawrence County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Richland County, IL, Sangamon County, IL, Scott County, IL, Shelby County, IL, Vermilion County, IL, Adams County, IN, Bartholomew County, IN, Blackford County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Cass County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Dearborn County, IN, Decatur County, IN, Delaware County, IN, Fayette County, IN, Fountain County, IN, Franklin County, IN, Grant County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Huntington County, IN, Jackson County, IN, Jay County, IN, Jennings 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, Ohio County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Ripley County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Switzerland County, IN, Tippecanoe County, IN, Tipton County, IN, Union County, IN, Vermillion County, IN, Vigo County, IN, Wabash County, IN, Warren County, IN, Wayne County, IN, Wells County, IN, White County, IN, City of Saint Louis, MO, Saint Charles County, MO, Saint Louis County, MO
The radar
The Lincoln radar (KILX), 108 km from the middle of the area, began a volume at 17:55 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
63 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 1:15 PM CDT | Severe Thunderstorm Warning | IND | Parke, Putnam | 35 min |
| Apr 7, 1:33 PM CDT | Severe Thunderstorm Warning | IND | Boone, Clinton | 42 min |
| Apr 7, 1:37 PM CDT | Severe Thunderstorm Warning | IND | Hancock, Johnson, Marion, Shelby | 38 min |
| Apr 7, 1:39 PM CDT | Severe Thunderstorm Warning | IND | Boone, Hendricks, Marion, Montgomery, Putnam | 51 min |
| Apr 7, 1:42 PM CDT | Severe Thunderstorm Warning | LSX | Clinton | 40 min |
| Apr 7, 1:55 PM CDT | Severe Thunderstorm Warning | IND | Hamilton, Madison, Marion | 50 min |
| Apr 7, 1:56 PM CDT | Severe Thunderstorm Warning | IND | Henry, Randolph | 49 min |
| Apr 7, 1:58 PM CDT | Severe Thunderstorm Warning | IND | Boone, Montgomery | 32 min |
| Apr 7, 1:59 PM CDT | Severe Thunderstorm Warning | IND | Tipton | 31 min |
| Apr 7, 2:09 PM CDT | Severe Thunderstorm Warning | LSX | Fayette, Marion | 36 min |
| Apr 7, 2:10 PM CDT | Severe Thunderstorm Warning | IND | Delaware, Hancock, Henry, Madison, Rush | 40 min |
| Apr 7, 2:13 PM CDT | Severe Thunderstorm Warning | IND | Boone, Clinton | 32 min |
| Apr 7, 2:17 PM CDT | Severe Thunderstorm Warning | ILN | Dearborn, Ohio | 43 min |
| Apr 7, 2:20 PM CDT | Severe Thunderstorm Warning | IND | Hamilton, Marion | 25 min |
| Apr 7, 2:21 PM CDT | Severe Thunderstorm Warning | IND | Greene, Monroe, Owen | 39 min |
| Apr 7, 2:23 PM CDT | Severe Thunderstorm Warning | ILN | Dearborn, Franklin | 27 min |
| Apr 7, 2:28 PM CDT | Severe Thunderstorm Warning | IND | Howard, Tipton | 32 min |
| Apr 7, 2:42 PM CDT | Severe Thunderstorm Warning | IND | Howard, Tipton | 33 min |
| Apr 7, 2:46 PM CDT | Severe Thunderstorm Warning | IND | Delaware | 29 min |
| Apr 7, 2:46 PM CDT | Severe Thunderstorm Warning | IND | Hamilton, Hancock, Madison, Marion | 24 min |
| Apr 7, 2:48 PM CDT | Tornado Warning | IND | Hamilton, Hancock, Madison | 27 min |
| Apr 7, 2:54 PM CDT | Tornado Warning | IND | Brown, Monroe | 42 min |
| Apr 7, 2:56 PM CDT | Tornado Warning | IND | Howard, Tipton | 28 min |
| Apr 7, 3:01 PM CDT | Severe Thunderstorm Warning | ILN | Wayne | 44 min |
| Apr 7, 3:03 PM CDT | Severe Thunderstorm Warning | IND | Randolph | 12 min |
| Apr 7, 3:18 PM CDT | Severe Thunderstorm Warning | ILN | Switzerland | 42 min |
| Apr 7, 3:18 PM CDT | Severe Thunderstorm Warning | IND | Greene, Monroe | 27 min |
| Apr 7, 3:19 PM CDT | Severe Thunderstorm Warning | IND | Delaware, Hamilton, Hancock, Henry, Madison, Marion | 41 min |
| Apr 7, 3:21 PM CDT | Severe Thunderstorm Warning | IND | Carroll, Clinton, Howard | 29 min |
| Apr 7, 3:33 PM CDT | Tornado Warning | IND | Bartholomew, Brown, Shelby | 28 min |
| Apr 7, 3:34 PM CDT | Severe Thunderstorm Warning | IND | Howard, Tipton | 41 min |
| Apr 7, 3:40 PM CDT | Severe Thunderstorm Warning | IND | Greene, Monroe, Owen | 50 min |
| Apr 7, 3:43 PM CDT | Severe Thunderstorm Warning | IND | Clay, Owen, Sullivan, Vigo | 47 min |
| Apr 7, 3:44 PM CDT | Severe Thunderstorm Warning | IND | Decatur | 31 min |
| Apr 7, 3:44 PM CDT | Severe Thunderstorm Warning | IND | Daviess, Knox | 35 min |
| Apr 7, 3:49 PM CDT | Severe Thunderstorm Warning | IND | Henry | 16 min |
| Apr 7, 3:49 PM CDT | Severe Thunderstorm Warning | IND | Jackson, Jennings | 41 min |
| Apr 7, 3:52 PM CDT | Severe Thunderstorm Warning | IND | Brown, Greene, Johnson, Lawrence, Monroe | 38 min |
| Apr 7, 3:53 PM CDT | Severe Thunderstorm Warning | IND | Tipton | 37 min |
| Apr 7, 3:55 PM CDT | Severe Thunderstorm Warning | IND | Randolph | 35 min |
| Apr 7, 3:56 PM CDT | Severe Thunderstorm Warning | IND | Knox | 24 min |
| Apr 7, 3:59 PM CDT | Severe Thunderstorm Warning | IND | Decatur, Rush, Shelby | 46 min |
| Apr 7, 4:00 PM CDT | Severe Thunderstorm Warning | IND | Bartholomew, Decatur, Shelby | 45 min |
| Apr 7, 4:03 PM CDT | Severe Thunderstorm Warning | IND | Madison | 27 min |
| Apr 7, 4:08 PM CDT | Severe Thunderstorm Warning | ILN | Union | 52 min |
| Apr 7, 4:17 PM CDT | Tornado Warning | IND | Brown, Monroe, Morgan | 28 min |
| Apr 7, 4:18 PM CDT | Severe Thunderstorm Warning | IWX | Grant | 27 min |
| Apr 7, 4:20 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 30 min |
| Apr 7, 4:26 PM CDT | Severe Thunderstorm Warning | IND | Henry | 30 min |
| Apr 7, 4:31 PM CDT | Severe Thunderstorm Warning | IND | Brown, Greene, Monroe, Owen | 41 min |
| Apr 7, 4:35 PM CDT | Flash Flood Warning | IND | Decatur | 3 hr |
| Apr 7, 4:36 PM CDT | Severe Thunderstorm Warning | IWX | Blackford | 20 min |
| Apr 7, 4:39 PM CDT | Tornado Warning | IND | Decatur, Jennings | 48 min |
| Apr 7, 4:43 PM CDT | Severe Thunderstorm Warning | IND | Jennings | 14 min |
| Apr 7, 4:45 PM CDT | Severe Thunderstorm Warning | ILN | Dearborn, Franklin, Ripley | 34 min |
| Apr 7, 4:48 PM CDT | Severe Thunderstorm Warning | IND | Hancock, Johnson, Marion, Shelby | 41 min |
| Apr 7, 4:52 PM CDT | Severe Thunderstorm Warning | IND | Bartholomew, Daviess, Jackson, Lawrence, Martin | 38 min |
| Apr 7, 4:54 PM CDT | Severe Thunderstorm Warning | IND | Hamilton, Marion | 40 min |
| Apr 7, 5:01 PM CDT | Severe Thunderstorm Warning | ILX | Menard, Sangamon | 29 min |
| Apr 7, 5:06 PM CDT | Severe Thunderstorm Warning | IND | Hancock, Henry, Rush | 39 min |
| Apr 7, 5:09 PM CDT | Flash Flood Warning | ILN | Dearborn, Ripley | 2 hr |
| Apr 7, 5:49 PM CDT | Severe Thunderstorm Warning | IND | Henry | 17 min |
| Apr 7, 5:56 PM CDT | Severe Thunderstorm Warning | ILN | Switzerland | 49 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, 5.9 hours before the alert went out and 62 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
- 9 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 1690 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 11:33 PM CDT | Tornado Watch | SPC | Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more | 3 hr |
| Apr 7, 9:07 AM CDT | Mesoscale Discussion | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 113 min |
| Apr 7, 10:20 AM CDT | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 17 more | 10 hr |
| Apr 7, 12:23 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Coles and 21 more | 2 hr |
| Apr 7, 2:22 PM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 6 more | 113 min |
| Apr 7, 3:56 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 22 more | 94 min |
| Apr 6, 7:12 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Caldwell, Clay, Clinton and 9 more | 63 min |
| Apr 6, 7:43 PM CDT | Tornado Watch | SPC | Andrew, Atchison, Buchanan, Caldwell, Carroll, Clay and 16 more | 5 hr |
| Apr 6, 7:53 PM CDT | Mesoscale Discussion | SPC | McDonald, Newton | 97 min |
| Apr 6, 9:51 PM CDT | Mesoscale Discussion | SPC | Adair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 27 more | 114 min |
| Apr 6, 10:21 PM CDT | Mesoscale Discussion | SPC | Barry, Barton, Bates, Benton, Camden, Cass and 33 more | 84 min |
Nearby
Tornado Watches in Indiana, 2006Tornado Watches in Illinois, 2006Tornado Watches in Missouri, 2006Every tornado watch in 2006
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.