Alert archive / Kansas / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 130, NWS Kansas City, MO

April 30, 2024Platte County, Missouri; Johnson County, Leavenworth County, Wyandotte County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 30, 2024, 7:05 PM CDT for Platte County, Missouri; Johnson County, Leavenworth County, Wyandotte County, Kansas. It was in force for 40 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 30, 2024, 7:05 PM CDT (00:05 UTC)
Expired: Apr 30, 2024, 7:45 PM CDT
In force: 40 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Possible
Damage threat: Considerable
Hail: 2.5 in
Wind: 70.0 mph

Counties Johnson County, KS, Leavenworth County, KS, Wyandotte County, KS, Platte County, MO

The radar

The Pleasant Hill radar (KEAX), 63 km from the middle of the area, began a volume at 00:03 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 30, 5:52 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.1 hours before the alert went out and 266 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: 235 J/kg
Mixed-layer CIN: -63 J/kg
Mixed-layer LCL: 1931 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: 322 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 Apr 30, 6:22 PM CDT, 43 minutes earlier.

Area forecast discussion, Apr 30, 6:22 PM CDT, 43 minutes before

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Hazardous weather outlook, Apr 30, 4:30 AM CDT, 14 hours 35 minutes before

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In the hours before

Local storm report, Apr 30, 5:44 PM CDT, 1 hour 21 minutes before

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Local storm report, Apr 30, 5:47 PM CDT, 1 hour 18 minutes before

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Local storm report, Apr 30, 6:15 PM CDT, 50 minutes before

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Local storm report, Apr 30, 6:17 PM CDT, 48 minutes before

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Local storm report, Apr 30, 6:38 PM CDT, 27 minutes before

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Local storm report, Apr 30, 6:42 PM CDT, 23 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 30, 7:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Worth	49 min
Apr 30, 7:38 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson, Platte	52 min
Apr 30, 7:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Gentry, Harrison, Worth	50 min
Apr 30, 7:48 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Worth	42 min
Apr 30, 8:26 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Mercer	49 min
Apr 30, 8:31 PM CDT	Special Weather Statement	EAX	Jackson	29 min
Apr 30, 9:00 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Harrison, Mercer, Putnam, Sullivan	45 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2024 Severe Thunderstorm Warnings in Missouri, 2024 Every severe thunderstorm warning 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.