Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 48, NWS Topeka, KS

April 15, 2026Anderson County, Franklin County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at Apr 15, 2026, 4:12 PM CDT for Anderson County, Franklin County, Kansas. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 15, 2026, 4:12 PM CDT (21:12 UTC)
Expired
Apr 15, 2026, 4:30 PM CDT
In force
18 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Anderson County, KS, Franklin County, KS

The radar

The Pleasant Hill radar (KEAX), 101 km from the middle of the area, began a volume at 21:11 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

Topeka, KS (KTOP), launched 12:00Z, 9.2 hours before the alert went out and 74 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, Topeka, KS at 12:00Z on 2026-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 721 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, Topeka, KS at 12:00Z on 2026-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 372 square meters per square second.1939587897117Sfc1 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
721 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
372 m²/s²
0-3 km storm-relative helicity
364 m²/s²
Significant tornado parameter
1.8
Supercell composite
8.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 14, 6:26 PM CDT, 21 hours 46 minutes earlier.

Area forecast discussion, Apr 14, 6:26 PM CDT, 21 hours 46 minutes before
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The office that day

Everything else NWS Topeka, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 14, 10:17 PM CDTSpecial Weather StatementTOPWashington28 min
Apr 14, 10:18 PM CDTSpecial Weather StatementTOPRepublic42 min
Apr 14, 10:43 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington47 min
Apr 14, 11:10 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington35 min
Apr 14, 11:24 PM CDTAreal Flood WarningTOPRepublic3 hr
Apr 14, 11:27 PM CDTSevere Thunderstorm WarningTOPRepublic, Washington33 min
Apr 14, 11:45 PM CDTSpecial Weather StatementTOPWashington30 min
Apr 15, 12:23 AM CDTAreal Flood WarningTOPWashington3 hr
Apr 15, 4:04 PM CDTSpecial Weather StatementTOPAnderson26 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2026Every severe thunderstorm warning in 2026

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.