Alert archive / Missouri / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 182, NWS Kansas City, MO

May 21, 2024Adair County, Macon County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 21, 2024, 6:42 PM CDT for Adair County, Macon County, Missouri. It was in force for 33 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: May 21, 2024, 6:42 PM CDT (23:42 UTC)
Expired: May 21, 2024, 7:15 PM CDT
In force: 33 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Adair County, MO, Macon County, MO

The radar

The Pleasant Hill radar (KEAX), 197 km from the middle of the area, began a volume at 23:44 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
May 21, 2:40 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.7 hours before the alert went out and 250 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: 1292 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 1074 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 63 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.4

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 May 21, 6:23 PM CDT, 19 minutes earlier.

Area forecast discussion, May 21, 6:23 PM CDT, 19 minutes before

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Hazardous weather outlook, May 21, 3:50 AM CDT, 14 hours 52 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
350 AM CDT Tue May 21 2024

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-220900-
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-
350 AM CDT Tue May 21 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

 Severe thunderstorms capable of large hail, damaging winds, and
 tornadoes are possible this afternoon and evening.

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

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

 Rain showers and thunderstorms possible toward the end of this week.

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

In the hours before

Local storm report, May 21, 3:38 PM CDT, 3 hours 4 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
338 PM CDT Tue May 21 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0322 PM     Hail             7220 NW 101 Terrace, Ka 39.28N 94.66W
05/21/2024  E0.50 Inch       Platte             MO   NWS Employee

            Half-inch hail reported at NWSTC. Time
            estimated from radar.

&&

HFH

Local storm report, May 21, 4:41 PM CDT, 2 hours 1 minute before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
441 PM CDT Tue May 21 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0428 PM     Hail             1 WSW Camden            39.19N 94.03W
05/21/2024  E1.00 Inch       Ray                MO   Public

            Quarter-sized hail reported in Ray County.
            Time estimated from radar.

&&

HFH

Local storm report, May 21, 5:28 PM CDT, 1 hour 14 minutes before

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Local storm report, May 21, 5:35 PM CDT, 1 hour 7 minutes before

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Local storm report, May 21, 5:54 PM CDT, 48 minutes before

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Special weather statement, May 21, 5:56 PM CDT, 46 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
May 21, 6:55 AM CDT	Special Weather Statement	EAX	Atchison	35 min
May 21, 7:33 AM CDT	Special Weather Statement	EAX	Nodaway	42 min
May 21, 9:57 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	3 days
May 21, 2:59 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Clay, Clinton, Platte	31 min
May 21, 3:29 PM CDT	Severe Thunderstorm Warning	EAX	Buchanan, Caldwell, Cass, Clay, Clinton, Daviess and 9 more	31 min
May 21, 3:57 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	48 min
May 21, 4:09 PM CDT	Severe Thunderstorm Warning	EAX	Harrison, Mercer	36 min
May 21, 4:13 PM CDT	Tornado Warning	EAX	Bates, Cass	32 min
May 21, 4:19 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Grundy, Linn, Livingston, Ray	41 min
May 21, 4:29 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Jackson, Lafayette, Ray	31 min
May 21, 4:39 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Henry, Johnson	36 min
May 21, 4:46 PM CDT	Severe Thunderstorm Warning	EAX	Mercer	29 min
May 21, 4:51 PM CDT	Tornado Warning	EAX	Mercer	24 min
May 21, 4:58 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Linn, Livingston, Mercer, Putnam, Sullivan	32 min
May 21, 5:10 PM CDT	Severe Thunderstorm Warning	EAX	Henry	35 min
May 21, 5:25 PM CDT	Tornado Warning	EAX	Henry, Pettis	35 min
May 21, 5:25 PM CDT	Tornado Warning	EAX	Adair, Putnam, Schuyler, Sullivan	35 min
May 21, 5:42 PM CDT	Severe Thunderstorm Warning	EAX	Henry	18 min
May 21, 5:56 PM CDT	Special Weather Statement	EAX	Schuyler	34 min
May 21, 6:17 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Macon	28 min
May 21, 3:21 PM CDT	Severe Thunderstorm Warning	EAX	Linn, Miami	39 min

Nearby

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.