Alert archive / Missouri / Tornado Watches in 2023
Tornado Watch 139
The Storm Prediction Center issued this tornado watch at Apr 15, 2023, 4:03 PM CDT for 21 counties in Illinois; 25 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 15, 2023, 4:03 PM CDT (21:03 UTC)
- Expired
- Apr 15, 2023, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 65 kt
All 46 counties
Alexander County, IL, Bond County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Franklin County, IL, Greene County, IL, Jackson County, IL, Jefferson County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Perry County, IL, Randolph County, IL, Saint Clair County, IL, Union County, IL, Washington County, IL, Wayne County, IL, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Carter County, MO, City of Saint Louis, MO, Crawford County, MO, Franklin County, MO, Iron County, MO, Jefferson County, MO, Lincoln 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, Warren County, MO, Washington County, MO, Wayne County, MO
The radar
The St Louis radar (KLSX), 74 km from the middle of the area, began a volume at 21:02 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
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
34 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 4:28 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Montgomery, Warren | 47 min |
| Apr 15, 4:36 PM CDT | Tornado Warning | LSX | Crawford, Franklin, Gasconade | 39 min |
| Apr 15, 4:55 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 50 min |
| Apr 15, 5:13 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Washington | 47 min |
| Apr 15, 5:28 PM CDT | Flash Flood Warning | LSX | Franklin | 5 hr |
| Apr 15, 5:31 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Louis | 44 min |
| Apr 15, 5:52 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Jefferson, Saint Louis, Washington | 38 min |
| Apr 15, 6:07 PM CDT | Tornado Warning | LSX | Franklin, Jefferson | 35 min |
| Apr 15, 6:11 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 49 min |
| Apr 15, 6:13 PM CDT | Flash Flood Warning | LSX | Franklin | 4 hr |
| Apr 15, 6:17 PM CDT | Severe Thunderstorm Warning | LSX | Calhoun, Jersey | 43 min |
| Apr 15, 6:19 PM CDT | Tornado Warning | LSX | Saint Clair | 41 min |
| Apr 15, 6:23 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois | 53 min |
| Apr 15, 6:27 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Randolph, Saint Clair | 52 min |
| Apr 15, 6:34 PM CDT | Tornado Warning | LSX | Monroe, Saint Clair | 41 min |
| Apr 15, 6:36 PM CDT | Severe Thunderstorm Warning | LSX | Jersey, Macoupin, Madison | 39 min |
| Apr 15, 6:39 PM CDT | Tornado Warning | LSX | Madison, Monroe, Saint Clair | 51 min |
| Apr 15, 6:39 PM CDT | Flash Flood Warning | LSX | Jefferson, Saint Louis | 4 hr |
| Apr 15, 7:05 PM CDT | Severe Thunderstorm Warning | LSX | Randolph | 40 min |
| Apr 15, 7:08 PM CDT | Tornado Warning | LSX | Jersey, Macoupin, Madison | 52 min |
| Apr 15, 7:09 PM CDT | Tornado Warning | LSX | Clinton, Randolph, Saint Clair, Washington | 51 min |
| Apr 15, 7:13 PM CDT | Tornado Warning | LSX | Bond, Madison, Montgomery | 47 min |
| Apr 15, 7:22 PM CDT | Severe Thunderstorm Warning | PAH | Perry | 38 min |
| Apr 15, 7:27 PM CDT | Tornado Warning | PAH | Perry | 16 min |
| Apr 15, 7:34 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 41 min |
| Apr 15, 7:39 PM CDT | Severe Thunderstorm Warning | PAH | Bollinger, Butler, Cape Girardeau, Stoddard, Wayne | 51 min |
| Apr 15, 7:47 PM CDT | Severe Thunderstorm Warning | LSX | Clinton, Marion, Washington | 43 min |
| Apr 15, 7:48 PM CDT | Severe Thunderstorm Warning | PAH | Jefferson | 57 min |
| Apr 15, 7:54 PM CDT | Severe Thunderstorm Warning | LSX | Bond, Fayette, Montgomery | 51 min |
| Apr 15, 7:55 PM CDT | Severe Thunderstorm Warning | PAH | Jackson | 17 min |
| Apr 15, 8:24 PM CDT | Severe Thunderstorm Warning | PAH | Mississippi, New Madrid, Stoddard | 51 min |
| Apr 15, 8:30 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Union | 45 min |
| Apr 15, 8:32 PM CDT | Severe Thunderstorm Warning | PAH | Alexander, Johnson, Pulaski, Union, Williamson | 43 min |
| Apr 15, 9:23 PM CDT | Severe Thunderstorm Warning | PAH | Johnson, Pope, Saline, Union, Williamson | 52 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:50 AM CDT | Mesoscale Discussion | SPC | Alexander, Calhoun, Jackson, Jersey, Madison, Monroe and 3 more | 85 min |
| Apr 15, 11:39 AM CDT | Mesoscale Discussion | SPC | Calhoun, Greene, Jersey, Macoupin, Madison, Monroe and 4 more | 3 hr |
| Apr 15, 3:21 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Clinton, Greene, Jackson and 10 more | 114 min |
| Apr 15, 5:07 PM CDT | Mesoscale Discussion | SPC | Calhoun, Jersey, Madison, Monroe, Saint Clair | 83 min |
| Apr 15, 6:50 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Effingham, Fayette and 20 more | 85 min |
| Apr 14, 9:04 PM CDT | Mesoscale Discussion | SPC | Atchison | 86 min |
| Apr 14, 11:33 PM CDT | Mesoscale Discussion | SPC | Buchanan, Platte | 117 min |
| Apr 15, 12:48 PM CDT | Severe Thunderstorm Watch | SPC | Audrain, Barry, Barton, Benton, Boone, Callaway and 42 more | 6 hr |
| Apr 15, 3:38 PM CDT | Mesoscale Discussion | SPC | Barry, Camden, Christian, Cole, Crawford, Dallas and 21 more | 2 hr |
| Apr 15, 6:28 PM CDT | Mesoscale Discussion | SPC | Dunklin, Pemiscot | 92 min |
| Apr 15, 6:48 PM CDT | Severe Thunderstorm Watch | SPC | Dunklin, Pemiscot | 7 hr |
Nearby
Tornado Watches in Missouri, 2023Tornado Watches in Illinois, 2023Every tornado watch in 2023
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.