Alert archive / Kansas / Tornado Watches in 2024
Tornado Watch 115
The Storm Prediction Center issued this tornado watch at Apr 16, 2024, 4:31 AM CDT for 20 counties in Kansas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 16, 2024, 4:31 AM CDT (09:31 UTC)
- Expired
- Apr 16, 2024, 9:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Allen County, KS, Anderson County, KS, Brown County, KS, Chase County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Lyon County, KS, Marion County, KS, Morris County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Woodson County, KS
The radar
The Topeka radar (KTWX), 20 km from the middle of the area, began a volume at 09:30 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
- 30%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- 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
- 60%
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 16, 5:17 AM CDT | Severe Thunderstorm Warning | TOP | Coffey, Lyon | 28 min |
| Apr 16, 5:38 AM CDT | Severe Thunderstorm Warning | TOP | Coffey, Lyon, Osage | 37 min |
| Apr 16, 5:49 AM CDT | Tornado Warning | TOP | Osage | 26 min |
| Apr 16, 6:19 AM CDT | Tornado Warning | TOP | Douglas, Osage, Shawnee | 26 min |
| Apr 16, 6:40 AM CDT | Tornado Warning | TOP | Douglas, Jefferson | 17 min |
| Apr 16, 7:11 AM CDT | Severe Thunderstorm Warning | TOP | Jackson | 49 min |
| Apr 16, 7:24 AM CDT | Severe Thunderstorm Warning | TOP | Jackson, Shawnee | 36 min |
| Apr 16, 7:36 AM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage | 24 min |
| Apr 16, 7:41 AM CDT | Severe Thunderstorm Warning | TOP | Brown | 49 min |
| Apr 16, 7:54 AM CDT | Severe Thunderstorm Warning | TOP | Jackson, Shawnee | 36 min |
| Apr 16, 7:57 AM CDT | Severe Thunderstorm Warning | TOP | Lyon, Osage, Shawnee, Wabaunsee | 33 min |
| Apr 16, 8:43 AM CDT | Severe Thunderstorm Warning | TOP | Franklin | 32 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
Topeka, KS (KTOP), launched 00:00Z, 9.5 hours before the alert went out and 48 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
- 1700 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 1348 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 7:13 PM CDT | Mesoscale Discussion | SPC | Clark, Edwards, Ellis, Finney, Ford, Gove and 14 more | 3 hr |
| Apr 15, 8:07 PM CDT | Tornado Watch | SPC | Barber, Barton, Clark, Comanche, Decatur, Edwards and 30 more | 8 hr |
| Apr 15, 9:07 PM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Marshall, Nemaha | 2 hr |
| Apr 15, 11:29 PM CDT | Mesoscale Discussion | SPC | Barton, Edwards, Ellis, Ford, Graham, Gray and 11 more | 2 hr |
| Apr 16, 1:22 AM CDT | Mesoscale Discussion | SPC | Butler, Chautauqua, Cowley, Elk, Montgomery, Sedgwick and 2 more | 53 min |
| Apr 16, 1:42 AM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Jewell, Lincoln, Marshall, Mitchell and 6 more | 63 min |
| Apr 16, 2:14 AM CDT | Tornado Watch | SPC | Marshall, Nemaha, Republic, Washington | 6 hr |
| Apr 16, 4:18 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Butler, Chase, Clay, Coffey and 19 more | 57 min |
| Apr 16, 6:00 AM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Brown, Chase, Coffey and 23 more | 2 hr |
| Apr 16, 8:50 AM CDT | Mesoscale Discussion | SPC | Atchison, Brown, Doniphan, Jefferson, Johnson, Leavenworth and 1 more | 55 min |
Nearby
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.