Alert archive / Illinois / Tornado Watches in 2008
Tornado Watch 394
The Storm Prediction Center issued this tornado watch at May 30, 2008, 1:56 PM CDT for 43 counties in Illinois; 27 counties in Indiana; 22 counties in Missouri. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- May 30, 2008, 1:56 PM CDT (18:56 UTC)
- Expired
- May 30, 2008, 10:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 92 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Clinton County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Fayette County, IL, Ford County, IL, Greene County, IL, Iroquois County, IL, Jersey County, IL, Livingston County, IL, Logan County, IL, Macon County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Monroe County, IL, Montgomery County, IL, Morgan County, IL, Moultrie County, IL, Piatt County, IL, Pike County, IL, Saint Clair County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Tazewell County, IL, Vermilion County, IL, Washington County, IL, Benton County, IN, Boone County, IN, Carroll County, IN, Cass County, IN, Clinton County, IN, Fountain County, IN, Fulton County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Howard County, IN, Jasper County, IN, Madison County, IN, Marion County, IN, Marshall County, IN, Montgomery County, IN, Newton County, IN, Parke County, IN, Pulaski County, IN, Putnam County, IN, Starke County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN, White County, IN, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Louis County, MO, Shelby County, MO, Warren County, MO
The radar
The Lincoln radar (KILX), 82 km from the middle of the area, began a volume at 18:55 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 80%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
104 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 2:02 PM CDT | Severe Thunderstorm Warning | IWX | LaPorte, Starke | 21 min |
| May 30, 3:03 PM CDT | Tornado Warning | ILX | McLean | 27 min |
| May 30, 3:13 PM CDT | Severe Thunderstorm Warning | LOT | Ford, Iroquois, Livingston | 47 min |
| May 30, 3:37 PM CDT | Severe Thunderstorm Warning | LOT | Ford | 38 min |
| May 30, 3:55 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 50 min |
| May 30, 3:56 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 49 min |
| May 30, 4:02 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 58 min |
| May 30, 4:07 PM CDT | Tornado Warning | LSX | Adams, Brown, Pike | 38 min |
| May 30, 4:10 PM CDT | Flash Flood Warning | LOT | Ford, Iroquois, Livingston | 6 hr |
| May 30, 4:11 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 49 min |
| May 30, 4:14 PM CDT | Tornado Warning | ILX | Cass, Mason, Menard | 31 min |
| May 30, 4:14 PM CDT | Severe Thunderstorm Warning | LSX | Knox, Lewis | 61 min |
| May 30, 4:25 PM CDT | Tornado Warning | ILX | Morgan, Scott | 50 min |
| May 30, 4:34 PM CDT | Severe Thunderstorm Warning | IND | Warren | 41 min |
| May 30, 4:36 PM CDT | Tornado Warning | ILX | Logan | 24 min |
| May 30, 4:36 PM CDT | Tornado Warning | ILX | Vermilion | 12 min |
| May 30, 4:36 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 54 min |
| May 30, 4:38 PM CDT | Tornado Warning | LSX | Monroe, Pike, Ralls | 52 min |
| May 30, 4:43 PM CDT | Tornado Warning | LSX | Pike | 12 min |
| May 30, 4:48 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 42 min |
| May 30, 4:57 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Shelby | 48 min |
| May 30, 4:59 PM CDT | Tornado Warning | ILX | DeWitt, Logan, Macon | 46 min |
| May 30, 5:05 PM CDT | Severe Thunderstorm Warning | IWX | White | 40 min |
| May 30, 5:07 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Pike | 38 min |
| May 30, 5:08 PM CDT | Severe Thunderstorm Warning | ILX | Cass | 38 min |
| May 30, 5:09 PM CDT | Tornado Warning | LSX | Pike | 21 min |
| May 30, 5:14 PM CDT | Tornado Warning | ILX | Morgan, Scott | 46 min |
| May 30, 5:16 PM CDT | Flash Flood Warning | LOT | Benton | 6 hr |
| May 30, 5:17 PM CDT | Severe Thunderstorm Warning | IND | Tippecanoe | 28 min |
| May 30, 5:19 PM CDT | Tornado Warning | LSX | Pike | 41 min |
| May 30, 5:31 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, McLean, Piatt | 44 min |
| May 30, 5:34 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Monroe | 41 min |
| May 30, 5:41 PM CDT | Tornado Warning | ILX | Sangamon | 49 min |
| May 30, 5:45 PM CDT | Tornado Warning | IND | Tippecanoe | 45 min |
| May 30, 5:46 PM CDT | Severe Thunderstorm Warning | LSX | Adams, Brown, Pike | 44 min |
| May 30, 5:56 PM CDT | Flash Flood Warning | ILX | McLean, Tazewell, Woodford | 3 hr |
| May 30, 5:56 PM CDT | Tornado Warning | LSX | Pike | 49 min |
| May 30, 6:05 PM CDT | Tornado Warning | ILX | Champaign | 40 min |
| May 30, 6:10 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway, Monroe, Ralls | 50 min |
| May 30, 6:11 PM CDT | Tornado Warning | ILX | Morgan, Scott | 49 min |
| May 30, 6:13 PM CDT | Severe Thunderstorm Warning | LOT | Iroquois | 32 min |
| May 30, 6:24 PM CDT | Tornado Warning | ILX | Vermilion | 36 min |
| May 30, 6:29 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Morgan, Schuyler | 46 min |
| May 30, 6:30 PM CDT | Tornado Warning | IND | Carroll | 45 min |
| May 30, 6:31 PM CDT | Severe Thunderstorm Warning | LSX | Brown, Greene, Pike | 44 min |
| May 30, 6:32 PM CDT | Tornado Warning | ILX | Christian, Macon, Sangamon | 43 min |
| May 30, 6:32 PM CDT | Severe Thunderstorm Warning | IND | Clinton, Tippecanoe | 28 min |
| May 30, 6:34 PM CDT | Severe Thunderstorm Warning | ILX | McLean | 16 min |
| May 30, 6:44 PM CDT | Tornado Warning | ILX | Champaign, Douglas, Edgar, Vermilion | 31 min |
| May 30, 6:47 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Lincoln, Montgomery, Pike, Ralls and 1 more | 43 min |
| May 30, 6:58 PM CDT | Tornado Warning | ILX | Morgan, Sangamon | 47 min |
| May 30, 6:59 PM CDT | Tornado Warning | ILX | Vermilion | 35 min |
| May 30, 7:00 PM CDT | Tornado Warning | IND | Clinton, Howard | 34 min |
| May 30, 7:01 PM CDT | Flash Flood Warning | ILX | Morgan, Scott | 3 hr |
| May 30, 7:07 PM CDT | Severe Thunderstorm Warning | ILX | Champaign, Vermilion | 38 min |
| May 30, 7:07 PM CDT | Severe Thunderstorm Warning | IND | Fountain, Parke, Vermillion | 38 min |
| May 30, 7:10 PM CDT | Tornado Warning | ILX | Edgar, Vermilion | 33 min |
| May 30, 7:11 PM CDT | Severe Thunderstorm Warning | ILX | Macon, Moultrie, Piatt | 34 min |
| May 30, 7:15 PM CDT | Severe Thunderstorm Warning | ILX | Scott | 30 min |
| May 30, 7:16 PM CDT | Flash Flood Warning | ILX | Sangamon | 3 hr |
| May 30, 7:16 PM CDT | Flash Flood Warning | ILX | Sangamon | 3 hr |
| May 30, 7:20 PM CDT | Flash Flood Warning | IWX | White | 5 hr |
| May 30, 7:21 PM CDT | Tornado Warning | IND | Fountain, Parke, Vermillion | 39 min |
| May 30, 7:22 PM CDT | Severe Thunderstorm Warning | LOT | Jasper, Lake, Newton, Porter | 38 min |
| May 30, 7:27 PM CDT | Severe Thunderstorm Warning | IND | Clinton, Hamilton, Howard, Tipton | 48 min |
| May 30, 7:29 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 31 min |
| May 30, 7:30 PM CDT | Tornado Warning | ILX | Christian, Sangamon | 45 min |
| May 30, 7:37 PM CDT | Flash Flood Warning | ILX | Champaign, Vermilion | 3 hr |
| May 30, 7:38 PM CDT | Tornado Warning | LSX | Montgomery | 37 min |
| May 30, 7:40 PM CDT | Tornado Warning | ILX | Douglas, Moultrie, Piatt | 35 min |
| May 30, 7:41 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Lincoln, Montgomery, Pike, Warren | 49 min |
| May 30, 7:45 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Callaway | 45 min |
| May 30, 7:51 PM CDT | Tornado Warning | IND | Montgomery, Parke, Putnam | 39 min |
| May 30, 7:52 PM CDT | Tornado Warning | ILX | Christian | 38 min |
| May 30, 7:57 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Greene, Jersey | 48 min |
| May 30, 8:06 PM CDT | Severe Thunderstorm Warning | ILX | Douglas, Edgar | 39 min |
| May 30, 8:09 PM CDT | Severe Thunderstorm Warning | ILX | Vermilion | 39 min |
| May 30, 8:13 PM CDT | Tornado Warning | ILX | Christian, Shelby | 47 min |
| May 30, 8:13 PM CDT | Severe Thunderstorm Warning | LOT | Jasper, Porter | 18 min |
| May 30, 8:15 PM CDT | Severe Thunderstorm Warning | IND | Fountain, Parke, Vermillion | 45 min |
| May 30, 8:19 PM CDT | Flash Flood Warning | ILX | Christian | 116 min |
| May 30, 8:25 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin, Madison | 50 min |
| May 30, 8:27 PM CDT | Tornado Warning | IND | Hendricks, Montgomery, Putnam | 48 min |
| May 30, 8:28 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Lincoln, Montgomery, Warren | 47 min |
| May 30, 8:32 PM CDT | Severe Thunderstorm Warning | IND | Montgomery, Parke, Putnam | 43 min |
| May 30, 8:35 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 28 min |
| May 30, 8:37 PM CDT | Tornado Warning | ILX | Moultrie, Shelby | 23 min |
| May 30, 8:42 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 33 min |
| May 30, 8:45 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 45 min |
| May 30, 8:48 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 42 min |
| May 30, 8:59 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Douglas, Moultrie | 46 min |
| May 30, 9:02 PM CDT | Severe Thunderstorm Warning | IND | Fountain, Parke, Vermillion | 43 min |
| May 30, 9:08 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Warren | 52 min |
| May 30, 9:11 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Macoupin, Madison, Montgomery | 49 min |
| May 30, 9:11 PM CDT | Severe Thunderstorm Warning | IND | Boone, Hamilton, Hendricks, Marion, Montgomery, Parke and 1 more | 49 min |
| May 30, 9:13 PM CDT | Severe Thunderstorm Warning | LSX | Callaway, Montgomery, Warren | 32 min |
| May 30, 9:19 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Madison | 41 min |
| May 30, 9:24 PM CDT | Severe Thunderstorm Warning | ILX | Clark, Edgar | 42 min |
| May 30, 9:32 PM CDT | Severe Thunderstorm Warning | IND | Hamilton, Hancock, Henry, Madison, Rush, Shelby | 58 min |
| May 30, 9:34 PM CDT | Tornado Warning | IND | Hancock | 41 min |
| May 30, 9:47 PM CDT | Tornado Warning | IND | Hancock, Henry, Madison | 28 min |
| May 30, 9:49 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Charles, Saint Louis, City of Saint Louis | 41 min |
| May 30, 9:51 PM CDT | Flash Flood Warning | LSX | Calhoun, Jersey, Madison | 6 hr |
| May 30, 9:58 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Clinton, Fayette, Madison | 47 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, 6.9 hours before the alert went out and 131 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
- 57 J/kg
- Mixed-layer CIN
- -325 J/kg
- Mixed-layer LCL
- 1164 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 106 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 30, 1:19 AM CDT | Tornado Watch | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 8 hr |
| May 30, 2:17 AM CDT | Mesoscale Discussion | SPC | Hancock, Henderson, McDonough, Mercer, Rock Island, Warren | 88 min |
| May 30, 6:00 AM CDT | Mesoscale Discussion | SPC | Carroll, Hancock, Henderson, Henry, Knox, Mercer and 3 more | 2 hr |
| May 30, 7:56 AM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Cass, Cook, DuPage and 26 more | 6 hr |
| May 30, 10:13 AM CDT | Mesoscale Discussion | SPC | Cook, DuPage, Grundy, Kendall, LaSalle, Will | 62 min |
| May 30, 1:14 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Champaign, Christian and 24 more | 2 hr |
| May 30, 4:29 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 19 more | 61 min |
| May 30, 5:18 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 37 more | 87 min |
| May 29, 7:37 PM CDT | Mesoscale Discussion | SPC | Atchison, Gentry, Harrison, Holt, Mercer, Nodaway and 2 more | 53 min |
| May 29, 8:13 PM CDT | Tornado Watch | SPC | Andrew, Atchison, Buchanan, Daviess, DeKalb, Gentry and 10 more | 8 hr |
| May 29, 11:34 PM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Caldwell, Clinton, Daviess and 12 more | 56 min |
| May 30, 2:23 PM CDT | Mesoscale Discussion | SPC | Bates, Caldwell, Carroll, Cass, Chariton, Clay and 15 more | 97 min |
| May 30, 2:42 PM CDT | Tornado Watch | SPC | Adair, Barton, Bates, Benton, Caldwell, Camden and 36 more | 7 hr |
Nearby
Tornado Watches in Illinois, 2008Tornado Watches in Indiana, 2008Tornado Watches in Missouri, 2008Every tornado watch in 2008
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.