Alert archive / Missouri / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 89, NWS Kansas City, MO

April 18, 2024Pettis County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Apr 18, 2024, 5:02 PM CDT for Pettis County, Missouri. It was in force for 14 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 18, 2024, 5:02 PM CDT (22:02 UTC)
Expired
Apr 18, 2024, 5:16 PM CDT
In force
14 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Pettis County, MO

The radar

The Pleasant Hill radar (KEAX), 85 km from the middle of the area, began a volume at 22:01 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.

IssuedProductOfficeLasted
Apr 18, 12:56 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.0 hours before the alert went out and 208 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, Springfield, MO at 12:00Z on 2024-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 121 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, Springfield, MO at 12:00Z on 2024-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 square meters per square second.19395878Sfc1 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
121 J/kg
Mixed-layer CIN
-321 J/kg
Mixed-layer LCL
1359 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
249 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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 18, 4:15 PM CDT, 47 minutes earlier.

Area forecast discussion, Apr 18, 4:15 PM CDT, 47 minutes before
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Hazardous weather outlook, Apr 18, 4:20 AM CDT, 12 hours 42 minutes before
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
420 AM CDT Thu Apr 18 2024

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-190930-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
420 AM CDT Thu Apr 18 2024

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Today and Tonight

 A complex of strong thunderstorms is working their way eastward
between I-70 and US-36. These storms have moved into a less favorable
environment; however, gusty winds and some hail remain possible.
Further showers and thunderstorms are expected until early afternoon
as a cold front moves through the area. Some isolated stronger storms
are possible south of US-50 and MO HWY 2.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

 Areas of frost will be possible early Sunday morning across far
northern MO.

 More detailed information can be accessed at...
 https://www.weather.gov/eax/hwo

In the hours before

Local storm report, Apr 18, 2:04 PM CDT, 2 hours 58 minutes before
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Local storm report, Apr 18, 2:24 PM CDT, 2 hours 38 minutes before
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Local storm report, Apr 18, 2:56 PM CDT, 2 hours 6 minutes before
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Local storm report, Apr 18, 3:09 PM CDT, 1 hour 53 minutes before
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Local storm report, Apr 18, 4:41 PM CDT, 21 minutes before
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Special weather statement, Apr 18, 4:54 PM CDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 2:45 AM CDTSevere Thunderstorm WarningEAXBuchanan, Platte45 min
Apr 18, 3:16 AM CDTSevere Thunderstorm WarningEAXBuchanan, Clay, Clinton, Jackson, Platte44 min
Apr 18, 3:56 AM CDTSevere Thunderstorm WarningEAXClay, Clinton, Jackson, Ray34 min
Apr 18, 5:19 AM CDTSevere Thunderstorm WarningEAXBuchanan, Clinton, Platte26 min
Apr 18, 5:44 AM CDTSpecial Weather StatementEAXCaldwell, Clinton31 min
Apr 18, 10:33 AM CDTSpecial Weather StatementEAXCass42 min
Apr 18, 11:15 AM CDTSpecial Weather StatementEAXChariton45 min
Apr 18, 11:23 AM CDTSpecial Weather StatementEAXMacon37 min
Apr 18, 11:30 AM CDTSpecial Weather StatementEAXBates45 min
Apr 18, 11:50 AM CDTSpecial Weather StatementEAXChariton40 min
Apr 18, 11:52 AM CDTSpecial Weather StatementEAXRandolph38 min
Apr 18, 12:19 PM CDTSpecial Weather StatementEAXMacon41 min
Apr 18, 12:26 PM CDTSevere Thunderstorm WarningEAXBates, Henry, Johnson49 min
Apr 18, 1:09 PM CDTSevere Thunderstorm WarningEAXHenry51 min
Apr 18, 3:00 PM CDTFrost AdvisoryEAXAtchison, Gentry, Harrison, Holt, Mercer, Nodaway and 1 more17 hr
Apr 18, 4:54 PM CDTSpecial Weather StatementEAXPettis36 min
Apr 18, 12:03 AM CDTSpecial Weather StatementEAXLeavenworth27 min
Apr 18, 1:10 AM CDTSpecial Weather StatementEAXLeavenworth35 min
Apr 18, 1:39 AM CDTSpecial Weather StatementEAXLeavenworth, Wyandotte36 min
Apr 18, 2:27 AM CDTSevere Thunderstorm WarningEAXAtchison33 min
Apr 18, 9:49 AM CDTSpecial Weather StatementEAXMiami41 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2024Every 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.