Alert archive / Kansas / Mesoscale Discussions in 2025

Mesoscale Discussion 593

April 28, 20259 counties in Kansas; 7 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Apr 28, 2025, 7:55 PM CDT for 9 counties in Kansas; 7 counties in Missouri. It was in force for 95 min.

The area

The outline as issued.

The facts

Issued: Apr 28, 2025, 7:55 PM CDT (00:55 UTC)
Expired: Apr 28, 2025, 9:30 PM CDT
In force: 95 min
Issued by: the Storm Prediction Center
Concerning: Tornado watch 183

Counties Atchison County, KS, Brown County, KS, Dickinson County, KS, Doniphan County, KS, Geary County, KS, Jackson County, KS, Morris County, KS, Pottawatomie County, KS, Wabaunsee County, KS, Andrew County, MO, Buchanan County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Holt County, MO, Nodaway County, MO

The radar

The Topeka radar (KTWX), 57 km from the middle of the area, began a volume at 00:55 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.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.9 hours before the alert went out and 206 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3534 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 12:50 AM CDT	Mesoscale Discussion	SPC	Allen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 12 more	115 min
Apr 29, 2:37 AM CDT	Severe Thunderstorm Watch	SPC	Chautauqua, Cherokee, Cowley, Crawford, Elk, Harper and 5 more	7 hr
Apr 29, 5:52 AM CDT	Mesoscale Discussion	SPC	Cherokee, Labette	3 hr
Apr 29, 8:30 AM CDT	Mesoscale Discussion	SPC	Barry, Barton, Bollinger, Butler, Cape Girardeau, Carter and 40 more	90 min
Apr 29, 8:56 AM CDT	Severe Thunderstorm Watch	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dallas and 30 more	6 hr
Apr 29, 10:09 AM CDT	Mesoscale Discussion	SPC	Christian, Dallas, Dent, Douglas, Howell, Laclede and 6 more	66 min

Nearby

Mesoscale Discussions in Kansas, 2025 Mesoscale Discussions in Missouri, 2025 Every mesoscale discussion in 2025

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.