Alert archive / Missouri / Tornado Watches in 2008
Tornado Watch 186
The Storm Prediction Center issued this tornado watch at Apr 10, 2008, 3:28 AM CDT for 5 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 10, 2008, 3:28 AM CDT (08:28 UTC)
- Expired
- Apr 10, 2008, 10:03 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 60 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Mississippi County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Alexander County, IL, Hardin County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Union County, IL, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Crittenden County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Trigg County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, Dunklin County, MO, Iron County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Perry County, MO, Reynolds County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO, Carroll County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Haywood County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Paducah radar (KPAH), 129 km from the middle of the area, began a volume at 08:29 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
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 4:15 AM CDT | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 45 min |
| Apr 10, 4:55 AM CDT | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 50 min |
| Apr 10, 5:00 AM CDT | Flash Flood Warning | MEG | Lawrence, Randolph | 115 min |
| Apr 10, 5:04 AM CDT | Severe Thunderstorm Warning | PAH | Ripley | 41 min |
| Apr 10, 5:10 AM CDT | Flash Flood Warning | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 12 more | 6 hr |
| Apr 10, 5:39 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Randolph | 51 min |
| Apr 10, 5:42 AM CDT | Severe Thunderstorm Warning | PAH | Butler, Ripley | 63 min |
| Apr 10, 6:25 AM CDT | Severe Thunderstorm Warning | PAH | Butler, Stoddard | 50 min |
| Apr 10, 8:51 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 39 min |
| Apr 10, 8:54 AM CDT | Severe Thunderstorm Warning | PAH | Carter, Wayne | 51 min |
| Apr 10, 9:29 AM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Saint Francois | 46 min |
| Apr 10, 9:31 AM CDT | Severe Thunderstorm Warning | PAH | Carter, Ripley | 29 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
Little Rock, AR (KLZK), launched 00:00Z, 8.5 hours before the alert went out and 197 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
- 168 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 324 m²/s²
- 0-3 km storm-relative helicity
- 404 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 7:28 PM CDT | Mesoscale Discussion | SPC | Crawford, Franklin, Hempstead, Howard, Johnson, Little River and 8 more | 62 min |
| Apr 9, 8:10 PM CDT | Tornado Watch | SPC | Hempstead, Howard, Johnson, Little River, Logan, Montgomery and 6 more | 6 hr |
| Apr 9, 10:40 PM CDT | Tornado Watch | SPC | Crawford, Franklin, Sebastian | 7 hr |
| Apr 10, 1:45 AM CDT | Tornado Watch | SPC | Baxter, Boone, Cleburne, Conway, Faulkner, Fulton and 16 more | 8 hr |
| Apr 10, 3:00 AM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 1 more | 60 min |
| Apr 10, 3:54 AM CDT | Tornado Watch | SPC | Benton, Carroll, Crawford, Franklin, Hempstead, Howard and 10 more | 8 hr |
| Apr 10, 5:55 AM CDT | Mesoscale Discussion | SPC | Crawford, Franklin, Howard, Johnson, Little River, Logan and 4 more | 65 min |
| Apr 10, 8:32 AM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Clark, Cleveland, Columbia and 22 more | 58 min |
| Apr 10, 8:42 AM CDT | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 19 more | 7 hr |
| Apr 10, 9:27 AM CDT | Mesoscale Discussion | SPC | Clay, Cleburne, Conway, Craighead, Crittenden, Cross and 16 more | 2 hr |
| Apr 10, 9:51 AM CDT | Tornado Watch | SPC | Clay, Cleburne, Conway, Craighead, Crittenden, Cross and 19 more | 7 hr |
| Apr 10, 10:51 AM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Clay, Cleveland and 28 more | 84 min |
| Apr 10, 1:41 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Clay, Cleveland and 20 more | 2 hr |
| Apr 10, 11:16 AM CDT | Mesoscale Discussion | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 25 more | 2 hr |
| Apr 10, 4:55 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Hancock, Henderson, McDonough and 3 more | 5 hr |
| Apr 10, 5:03 PM CDT | Tornado Watch | SPC | Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 12 more | 6 hr |
| Apr 10, 6:44 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Hancock, Henderson, McDonough and 5 more | 61 min |
| Apr 10, 6:56 AM CDT | Mesoscale Discussion | SPC | Christian, Douglas, Greene, Howell, Laclede, Maries and 9 more | 64 min |
| Apr 10, 7:44 AM CDT | Tornado Watch | SPC | Dent, Douglas, Howell, Oregon, Ozark, Shannon and 2 more | 2 hr |
| Apr 10, 2:03 PM CDT | Mesoscale Discussion | SPC | Andrew, Barton, Bates, Benton, Buchanan, Caldwell and 21 more | 117 min |
| Apr 10, 2:28 PM CDT | Severe Thunderstorm Watch | SPC | Adair, Andrew, Atchison, Barton, Bates, Benton and 51 more | 7 hr |
Nearby
Tornado Watches in Missouri, 2008Tornado Watches in Tennessee, 2008Tornado Watches in Kentucky, 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.