Alert archive / Missouri / Tornado Watches in 2024

Tornado Watch 155

April 27, 202411 counties in Kansas; 24 counties in Missouri

The Storm Prediction Center issued this tornado watch at Apr 27, 2024, 11:42 PM CDT for 11 counties in Kansas; 24 counties in Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Apr 27, 2024, 11:42 PM CDT (04:42 UTC)
Expired
Apr 28, 2024, 4:45 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
65 kt
All 35 counties

Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Elk County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Benton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 109 km from the middle of the area, began a volume at 04:42 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
60%
One or more gusts of 65 knots or more
60%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Apr 27, 11:50 PM CDTSevere Thunderstorm WarningSGFSt. Clair9 min
Apr 28, 12:10 AM CDTSevere Thunderstorm Warning Considerable damage threatICTChautauqua, Elk, Labette, Montgomery33 min
Apr 28, 1:13 AM CDTSevere Thunderstorm WarningSGFCherokee62 min
Apr 28, 2:03 AM CDTTornado WarningSGFMcDonald27 min
Apr 28, 2:20 AM CDTSevere Thunderstorm Warning Considerable damage threatSGFJasper, McDonald, Newton40 min
Apr 28, 3:04 AM CDTSevere Thunderstorm WarningSGFCedar, Dade41 min
Apr 28, 3:07 AM CDTTornado WarningSGFDade23 min
Apr 28, 3:26 AM CDTTornado WarningSGFCedar15 min
Apr 28, 3:38 AM CDTSevere Thunderstorm WarningSGFCedar, Hickory, Polk, St. Clair37 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

Springfield, MO (KSGF), launched 00:00Z, 4.7 hours before the alert went out and 96 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2024-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 937 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2024-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 208 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
937 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
939 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
208 m²/s²
0-3 km storm-relative helicity
272 m²/s²
Significant tornado parameter
1.1
Supercell composite
10.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 8:25 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 14 more95 min
Apr 28, 1:54 AM CDTMesoscale DiscussionSPCCherokee, Crawford66 min
Apr 28, 3:38 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Labette2 hr
Apr 27, 7:11 PM CDTMesoscale DiscussionSPCAdair, Clark, Grundy, Knox, Putnam, Schuyler and 2 more64 min
Apr 27, 9:15 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Cole, Franklin, Gasconade and 13 more60 min
Apr 27, 9:41 PM CDTTornado WatchSPCAudrain, Boone, Callaway, Camden, Cole, Franklin and 16 more6 hr
Apr 28, 5:15 PM CDTTornado WatchSPCBarry, Douglas, McDonald, Newton, Ozark, Stone and 3 more6 hr
Apr 28, 6:50 PM CDTMesoscale DiscussionSPCBarry, McDonald55 min
Apr 27, 7:30 PM CDTMesoscale DiscussionSPCAdair, Caddo, Canadian, Carter, Cherokee, Cleveland and 39 more60 min
Apr 27, 7:50 PM CDTTornado WatchSPCAtoka, Bryan, Caddo, Canadian, Carter, Cherokee and 42 more7 hr
Apr 27, 11:33 PM CDTMesoscale DiscussionSPCAtoka, Coal, Creek, Delaware, Hughes, Johnston and 14 more72 min
Apr 28, 12:32 AM CDTMesoscale DiscussionSPCAdair, Bryan, Choctaw, Haskell, Latimer, LeFlore and 2 more88 min
Apr 28, 1:03 AM CDTTornado WatchSPCAdair, Choctaw, Haskell, Latimer, LeFlore, Pushmataha and 1 more6 hr
Apr 28, 4:11 AM CDTMesoscale DiscussionSPCAdair, Bryan, Choctaw, Haskell, Latimer, LeFlore and 3 more64 min

Nearby

Tornado Watches in Missouri, 2024Tornado Watches in Kansas, 2024Every tornado watch in 2024

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.