Alert archive / Missouri / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 503, NWS Kansas City, MO

September 9, 2026Bates County, Cass County, Missouri; Miami County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 9, 2026, 5:34 PM CDT for Bates County, Cass County, Missouri; Miami County, Kansas. It was in force for 41 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
Sep 9, 2026, 5:34 PM CDT (22:34 UTC)
Expired
Sep 9, 2026, 6:15 PM CDT
In force
41 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Miami County, KS, Bates County, MO, Cass County, MO

The radar

The Pleasant Hill radar (KEAX), 42 km from the middle of the area, began a volume at 22:35 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, 10.6 hours before the alert went out and 113 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 2026-09-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 40 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 2026-09-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 square meters per square second.193958Sfc1 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
40 J/kg
Mixed-layer CIN
-298 J/kg
Mixed-layer LCL
1673 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 9, 3:43 AM CDTHeat AdvisoryEAXBates, Henry, Pettis15 hr
Sep 9, 5:07 PM CDTSpecial Weather StatementEAXBates23 min
Sep 9, 5:26 PM CDTSevere Thunderstorm WarningEAXCass, Jackson, Johnson, Lafayette34 min
Sep 9, 5:54 PM CDTSevere Thunderstorm WarningEAXCass, Johnson51 min
Sep 9, 6:03 PM CDTSevere Thunderstorm WarningEAXBates42 min
Sep 9, 6:15 PM CDTSevere Thunderstorm Warning Considerable damage threatEAXCass, Henry, Johnson, Pettis60 min
Sep 9, 6:57 PM CDTSpecial Weather StatementEAXBates33 min
Sep 9, 4:42 PM CDTSpecial Weather StatementEAXLinn33 min
Sep 9, 5:13 PM CDTSpecial Weather StatementEAXMiami32 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2026Severe 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.