Alert archive / Missouri / Tornado Watches in 2013
Tornado Watch 114
The Storm Prediction Center issued this tornado watch at Apr 17, 2013, 11:11 AM CDT for 7 counties in Illinois; 8 counties in Kansas; 74 counties in Missouri. It was in force for 11 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 17, 2013, 11:11 AM CDT (16:11 UTC)
- Expired
- Apr 17, 2013, 10:00 PM CDT
- In force
- 11 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 89 counties
Adams County, IL, Brown County, IL, Calhoun County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Pike County, IL, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Audrain County, MO, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, City of Saint Louis, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Jasper County, MO, Jefferson County, MO, Johnson County, MO, Knox County, MO, Laclede County, MO, Lafayette County, MO, Lawrence County, MO, Lewis County, MO, Lincoln County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Marion County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Newton County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Pike County, MO, Platte County, MO, Polk County, MO, Pulaski County, MO, Ralls County, MO, Randolph County, MO, Ray County, MO, Saint Charles County, MO, Saint Louis County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO
The radar
The Pleasant Hill radar (KEAX), 116 km from the middle of the area, began a volume at 16:12 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
- 60%
- One or more EF2 to EF5 tornadoes
- 40%
- 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
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
32 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 2:23 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, St. Clair | 52 min |
| Apr 17, 2:32 PM CDT | Severe Thunderstorm Warning | EAX | Henry, Johnson, Pettis | 28 min |
| Apr 17, 2:57 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Hickory | 63 min |
| Apr 17, 3:22 PM CDT | Severe Thunderstorm Warning | EAX | Carroll, Chariton, Saline | 23 min |
| Apr 17, 3:23 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 22 min |
| Apr 17, 3:29 PM CDT | Severe Thunderstorm Warning | EAX | Pettis | 31 min |
| Apr 17, 3:56 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis, Saline | 34 min |
| Apr 17, 4:15 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Morgan | 60 min |
| Apr 17, 4:47 PM CDT | Severe Thunderstorm Warning | LSX | Moniteau | 43 min |
| Apr 17, 4:58 PM CDT | Severe Thunderstorm Warning | EAX | Howard, Randolph | 32 min |
| Apr 17, 5:21 PM CDT | Tornado Warning | LSX | Boone, Moniteau | 24 min |
| Apr 17, 5:23 PM CDT | Severe Thunderstorm Warning | SGF | Benton, Morgan | 52 min |
| Apr 17, 5:24 PM CDT | Tornado Warning | LSX | Audrain, Monroe | 36 min |
| Apr 17, 5:43 PM CDT | Severe Thunderstorm Warning | LSX | Boone, Moniteau | 47 min |
| Apr 17, 5:55 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis | 35 min |
| Apr 17, 5:55 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Monroe, Ralls, Shelby | 50 min |
| Apr 17, 5:55 PM CDT | Tornado Warning | LSX | Audrain, Monroe | 35 min |
| Apr 17, 5:58 PM CDT | Severe Thunderstorm Warning | EAX | Cooper | 32 min |
| Apr 17, 6:12 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Callaway | 48 min |
| Apr 17, 6:15 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone | 45 min |
| Apr 17, 6:24 PM CDT | Severe Thunderstorm Warning | LSX | Adams | 66 min |
| Apr 17, 6:42 PM CDT | Tornado Warning | LSX | Adams | 48 min |
| Apr 17, 6:55 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Boone, Monroe | 50 min |
| Apr 17, 7:01 PM CDT | Tornado Warning | LSX | Adams | 29 min |
| Apr 17, 7:11 PM CDT | Flash Flood Warning | EAX | Chariton, Cooper, Howard, Macon, Randolph, Saline | 8 hr |
| Apr 17, 7:17 PM CDT | Severe Thunderstorm Warning | EAX | Howard, Randolph | 28 min |
| Apr 17, 7:27 PM CDT | Tornado Warning | LSX | Adams, Brown, Pike | 33 min |
| Apr 17, 7:39 PM CDT | Severe Thunderstorm Warning | LSX | Knox, Lewis, Marion, Shelby | 51 min |
| Apr 17, 7:46 PM CDT | Flash Flood Warning | LSX | Adams, Pike | 8 hr |
| Apr 17, 8:00 PM CDT | Tornado Warning | LSX | Adams, Brown | 30 min |
| Apr 17, 9:27 PM CDT | Severe Thunderstorm Warning | LSX | Marion, Monroe, Ralls, Shelby | 48 min |
| Apr 17, 9:40 PM CDT | Flash Flood Warning | LSX | Knox | 6 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 4.2 hours before the alert went out and 183 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
- 1448 J/kg
- Mixed-layer CIN
- -197 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 266 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 8:02 PM CDT | Mesoscale Discussion | SPC | Edwards, Gallatin, Hamilton, Hardin, Saline, Wabash and 1 more | 88 min |
| Apr 16, 8:44 PM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Champaign, Christian, Clark, Clay and 35 more | 2 hr |
| Apr 17, 8:49 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, DeWitt, Ford and 32 more | 56 min |
| Apr 17, 9:14 AM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 30 more | 10 hr |
| Apr 17, 9:30 AM CDT | Mesoscale Discussion | SPC | Hardin | 2 hr |
| Apr 17, 12:39 PM CDT | Severe Thunderstorm Watch | SPC | Hardin, Pope | 5 hr |
| Apr 17, 1:33 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 30 more | 57 min |
| Apr 17, 3:04 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Clark, Coles, Cumberland and 26 more | 56 min |
| Apr 17, 3:33 PM CDT | Tornado Watch | SPC | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 24 more | 8 hr |
| Apr 17, 3:38 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 1 more | 97 min |
| Apr 17, 3:53 PM CDT | Mesoscale Discussion | SPC | Hardin, Pope | 67 min |
| Apr 17, 6:02 PM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Pike | 88 min |
| Apr 17, 6:46 PM CDT | Mesoscale Discussion | SPC | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 18 more | 89 min |
| Apr 17, 12:41 AM CDT | Mesoscale Discussion | SPC | Barber, Butler, Chase, Clark, Comanche, Dickinson and 17 more | 94 min |
| Apr 17, 9:50 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 17 more | 55 min |
| Apr 17, 1:09 PM CDT | Mesoscale Discussion | SPC | Barber, Butler, Chautauqua, Cowley, Elk, Greenwood and 8 more | 96 min |
| Apr 17, 1:50 PM CDT | Tornado Watch | SPC | Allen, Anderson, Chautauqua, Coffey, Cowley, Douglas and 12 more | 8 hr |
| Apr 17, 4:19 PM CDT | Mesoscale Discussion | SPC | Scotland | 26 min |
| Apr 17, 1:21 PM CDT | Tornado Watch | SPC | Blaine, Caddo, Canadian, Carter, Cherokee, Cleveland and 45 more | 10 hr |
| Apr 17, 5:23 PM CDT | Mesoscale Discussion | SPC | Caddo, Canadian, Carter, Cherokee, Cleveland, Coal and 37 more | 97 min |
| Apr 17, 6:30 PM CDT | Mesoscale Discussion | SPC | Cleveland, Comanche, Grady, McClain | 90 min |
Nearby
Tornado Watches in Missouri, 2013Tornado Watches in Kansas, 2013Tornado Watches in Illinois, 2013Every tornado watch in 2013
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.