Alert archive / Missouri / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 409, NWS Kansas City, MO

July 4, 20267 counties in Missouri; Doniphan County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Jul 4, 2026, 12:28 AM CDT for 7 counties in Missouri; Doniphan County, Kansas. It was in force for 47 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
Jul 4, 2026, 12:28 AM CDT (05:28 UTC)
Expired
Jul 4, 2026, 1:15 AM CDT
In force
47 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Doniphan County, KS, Andrew County, MO, Buchanan County, MO, Clinton County, MO, DeKalb County, MO, Gentry County, MO, Holt County, MO, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 120 km from the middle of the area, began a volume at 05:32 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 00:00Z, 5.5 hours before the alert went out and 120 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 00:00Z on 2026-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2813 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 00:00Z on 2026-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 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
2813 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1530 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.4

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 Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 3, 6:30 PM CDT, 5 hours 58 minutes earlier.

Area forecast discussion, Jul 3, 6:30 PM CDT, 5 hours 58 minutes before
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Hazardous weather outlook, Jul 3, 5:04 AM CDT, 19 hours 24 minutes before
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In the hours before

Special weather statement, Jul 3, 11:18 PM CDT, 1 hour 10 minutes before
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Local storm report, Jul 4, 12:26 AM CDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 11:18 PM CDTSpecial Weather StatementEAXHolt, Nodaway27 min
Jul 3, 11:50 PM CDTSevere Thunderstorm WarningEAXAndrew, Atchison, Buchanan, DeKalb, Gentry, Holt and 1 more40 min
Jul 4, 1:20 AM CDTSpecial Weather StatementEAXCaldwell, Clinton25 min
Jul 4, 2:33 AM CDTSpecial Weather StatementEAXJohnson27 min
Jul 4, 2:42 AM CDTSpecial Weather StatementEAXJohnson33 min
Jul 4, 11:57 AM CDTSevere Thunderstorm WarningEAXBates, Cass, Henry, Jackson, Johnson48 min
Jul 4, 12:25 PM CDTFlash Flood WarningEAXCass3 hr
Jul 4, 12:41 PM CDTSevere Thunderstorm WarningEAXBates, Cass, Henry, Jackson, Johnson, Pettis and 1 more49 min
Jul 4, 12:51 PM CDTFlash Flood WarningEAXCass, Henry, Johnson3 hr
Jul 4, 1:25 PM CDTSevere Thunderstorm WarningEAXCooper, Henry, Johnson, Pettis80 min
Jul 4, 1:32 PM CDTAreal Flood AdvisoryEAXPettis3 hr
Jul 4, 3:35 PM CDTAreal Flood WarningEAXBates, Cass3 hr
Jul 4, 11:26 AM CDTSpecial Weather StatementEAXLinn, Miami64 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.