Alert archive / Indiana / Tornado Watches in 2010
Tornado Watch 129
The Storm Prediction Center issued this tornado watch at May 1, 2010, 10:14 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 1, 2010, 10:14 PM CDT (03:14 UTC)
- Expired
- May 2, 2010, 5:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 154 counties
Alexander County, IL, 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, Edwards County, IL, Effingham County, IL, Fayette County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jasper County, IL, Jefferson County, IL, Johnson County, IL, Lawrence County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Montgomery County, IL, Moultrie County, IL, Perry County, IL, Piatt County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Richland County, IL, Saint Clair County, IL, Saline County, IL, Shelby County, IL, Union County, IL, Vermilion County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Crawford County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Dubois County, IN, Fountain County, IN, Gibson County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Harrison County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Orange County, IN, Owen County, IN, Parke County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Spencer County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vanderburgh County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, Warrick County, IN, Washington County, IN, Allen County, KY, Ballard County, KY, Breckinridge County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Edmonson County, KY, Fulton County, KY, Graves County, KY, Grayson County, KY, Hancock County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Muhlenberg County, KY, Ohio County, KY, Simpson County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Warren County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, City of Saint Louis, MO, Iron County, MO, Jefferson County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Perry County, MO, Reynolds County, MO, Ripley County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Stoddard County, MO, Washington County, MO, Wayne County, MO
The radar
The Evansville,IN radar (KVWX), 81 km from the middle of the area, began a volume at 03:15 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- 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
- 70%
Warnings issued inside it
39 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 10:17 PM CDT | Severe Thunderstorm Warning | PAH | Gibson, Posey, Vanderburgh | 28 min |
| May 1, 10:26 PM CDT | Severe Thunderstorm Warning | PAH | Christian, Todd, Trigg | 34 min |
| May 1, 10:30 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Jasper | 30 min |
| May 1, 10:35 PM CDT | Severe Thunderstorm Warning | ILX | Crawford, Lawrence | 40 min |
| May 1, 10:41 PM CDT | Severe Thunderstorm Warning | PAH | Fulton, Hickman | 34 min |
| May 1, 10:45 PM CDT | Severe Thunderstorm Warning | LMK | Butler, Logan, Simpson, Warren | 30 min |
| May 1, 10:46 PM CDT | Severe Thunderstorm Warning | PAH | Christian, Muhlenberg, Todd | 35 min |
| May 1, 10:51 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Crawford | 21 min |
| May 1, 10:56 PM CDT | Severe Thunderstorm Warning | PAH | Christian, Hopkins, Trigg | 34 min |
| May 1, 11:13 PM CDT | Severe Thunderstorm Warning | PAH | Ballard, Carlisle, Fulton, Graves, Hickman, McCracken | 47 min |
| May 1, 11:18 PM CDT | Severe Thunderstorm Warning | PAH | Hopkins, McLean, Muhlenberg | 27 min |
| May 1, 11:21 PM CDT | Severe Thunderstorm Warning | LMK | Ohio | 24 min |
| May 1, 11:27 PM CDT | Severe Thunderstorm Warning | LMK | Breckinridge, Butler, Grayson, Hardin | 18 min |
| May 1, 11:32 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Madison, Saint Clair | 28 min |
| May 2, 12:01 AM CDT | Severe Thunderstorm Warning | PAH | Graves, McCracken | 30 min |
| May 2, 12:22 AM CDT | Tornado Warning | PAH | Fulton, Hickman | 38 min |
| May 2, 12:30 AM CDT | Flash Flood Warning | PAH | Carlisle, Fulton, Hickman | 12 hr |
| May 2, 12:46 AM CDT | Tornado Warning | PAH | Calloway, Graves, Marshall | 44 min |
| May 2, 12:46 AM CDT | Tornado Warning | PAH | Caldwell, Crittenden, Livingston, Lyon | 29 min |
| May 2, 12:52 AM CDT | Flash Flood Warning | LMK | Logan, Simpson, Warren | 9 hr |
| May 2, 12:55 AM CDT | Tornado Warning | PAH | Carlisle, Fulton, Hickman | 50 min |
| May 2, 1:15 AM CDT | Tornado Warning | PAH | Carlisle, Fulton, Graves, Hickman | 45 min |
| May 2, 1:19 AM CDT | Tornado Warning | PAH | Lyon, Marshall, Trigg | 26 min |
| May 2, 1:32 AM CDT | Flash Flood Warning | PAH | Graves, McCracken, Marshall | 9 hr |
| May 2, 1:39 AM CDT | Tornado Warning | PAH | Caldwell, Christian, Hopkins, Lyon, Trigg | 36 min |
| May 2, 1:46 AM CDT | Tornado Warning | PAH | Calloway, Graves, Marshall | 29 min |
| May 2, 1:48 AM CDT | Flash Flood Warning | LMK | Barren, Edmonson, Hart | 9 hr |
| May 2, 2:06 AM CDT | Tornado Warning | PAH | Lyon, Marshall, Trigg | 24 min |
| May 2, 2:14 AM CDT | Tornado Warning | PAH | Christian, Hopkins, Muhlenberg | 31 min |
| May 2, 2:23 AM CDT | Flash Flood Warning | PAH | Caldwell, Crittenden, Daviess, Henderson, Hopkins, Livingston and 4 more | 8 hr |
| May 2, 2:30 AM CDT | Tornado Warning | PAH | Caldwell, Christian, Lyon, Trigg | 45 min |
| May 2, 2:45 AM CDT | Tornado Warning | PAH | Christian, Hopkins, Muhlenberg | 30 min |
| May 2, 3:12 AM CDT | Tornado Warning | PAH | Christian, Hopkins, Muhlenberg | 33 min |
| May 2, 3:25 AM CDT | Severe Thunderstorm Warning | LMK | Butler, Ohio | 35 min |
| May 2, 3:42 AM CDT | Flash Flood Warning | LMK | Crawford, Perry | 6 hr |
| May 2, 3:55 AM CDT | Severe Thunderstorm Warning | LMK | Breckinridge, Butler, Grayson, Ohio | 35 min |
| May 2, 4:13 AM CDT | Tornado Warning | LMK | Grayson | 17 min |
| May 2, 4:27 AM CDT | Severe Thunderstorm Warning | LMK | Grayson, Hardin | 33 min |
| May 2, 4:40 AM CDT | Tornado Warning | LMK | Grayson, Hardin | 20 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 00:00Z, 3.2 hours before the alert went out and 147 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1974 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 346 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 |
|---|---|---|---|---|
| May 1, 9:45 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 37 more | 30 min |
| May 2, 2:09 AM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Champaign, Clark, Clay, Clinton and 35 more | 2 hr |
| May 2, 4:14 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Anderson, Barren, Bath, Bourbon and 49 more | 61 min |
| May 2, 4:36 AM CDT | Tornado Watch | SPC | Adair, Allen, Anderson, Barren, Bath, Bourbon and 46 more | 6 hr |
| May 2, 6:37 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Bath, Bourbon, Boyle and 48 more | 113 min |
| May 2, 11:15 AM CDT | Mesoscale Discussion | SPC | Adair, Allen, Barren, Boyle, Casey, Clark and 19 more | 60 min |
| May 2, 1:18 PM CDT | Mesoscale Discussion | SPC | Bath, Boyd, Breathitt, Carter, Clark, Clay and 25 more | 57 min |
| May 2, 2:32 PM CDT | Severe Thunderstorm Watch | SPC | Bell, Boyd, Breathitt, Carter, Clay, Elliott and 22 more | 5 hr |
| May 2, 6:12 PM CDT | Mesoscale Discussion | SPC | Bath, Bell, Boyd, Breathitt, Carter, Clay and 31 more | 93 min |
| May 1, 7:30 PM CDT | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 30 min |
| May 1, 8:06 PM CDT | Tornado Watch | SPC | Dunklin, Pemiscot | 8 hr |
| May 1, 11:38 PM CDT | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 67 min |
| May 2, 2:33 AM CDT | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 87 min |
| May 2, 2:15 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Caldwell, Clay, Clinton and 10 more | 90 min |
| May 1, 7:07 PM CDT | Mesoscale Discussion | SPC | Bledsoe, Blount, Bradley, Cannon, Coffee, Franklin and 15 more | 53 min |
| May 1, 9:19 PM CDT | Mesoscale Discussion | SPC | Giles, Hickman, Lawrence, Lewis, Maury, Wayne | 56 min |
| May 1, 10:22 PM CDT | Tornado Watch | SPC | Bedford, Benton, Cannon, Cheatham, Coffee, Davidson and 19 more | 5 hr |
| May 2, 3:36 AM CDT | Tornado Watch | SPC | Bedford, Benton, Cannon, Carroll, Cheatham, Chester and 46 more | 8 hr |
| May 2, 11:57 AM CDT | Severe Thunderstorm Watch | SPC | Bedford, Cannon, Clay, Coffee, Cumberland, Davidson and 24 more | 7 hr |
| May 2, 2:28 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Coffee, Cumberland, DeKalb, Fentress and 17 more | 62 min |
| May 2, 6:29 PM CDT | Mesoscale Discussion | SPC | Bedford, Cannon, Coffee, DeKalb, Giles, Lincoln and 3 more | 61 min |
Nearby
Tornado Watches in Indiana, 2010Tornado Watches in Illinois, 2010Tornado Watches in Kentucky, 2010Every tornado watch in 2010
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.