Alert archive / Missouri / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 159, NWS Kansas City, MO

May 8, 2024Henry County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 8, 2024, 2:18 PM CDT for Henry County, Missouri. It was in force for 27 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 8, 2024, 2:18 PM CDT (19:18 UTC)
Expired: May 8, 2024, 2:45 PM CDT
In force: 27 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Henry County, MO

The radar

The Pleasant Hill radar (KEAX), 63 km from the middle of the area, began a volume at 19:22 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 8, 6:50 AM CDT	Severe Thunderstorm Watch	SPC	10 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.3 hours before the alert went out and 165 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: 727 J/kg
Mixed-layer CIN: -200 J/kg
Mixed-layer LCL: 1295 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 25 m²/s²
0-3 km storm-relative helicity: 77 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 8, 12:37 PM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, May 8, 12:37 PM CDT, 1 hour 41 minutes before

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Hazardous weather outlook, May 8, 6:30 AM CDT, 7 hours 48 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
630 AM CDT Wed May 8 2024

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-091130-
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-
630 AM CDT Wed May 8 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

 Strong to severe storms are possible this morning and afternoon.
Large hail will be the main hazard, but damaging winds gusts and a
tornado will also be possible.

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

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

 No hazardous weather is expected at this time.

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

In the hours before

Local storm report, May 8, 9:38 AM CDT, 4 hours 40 minutes before

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Local storm report, May 8, 9:44 AM CDT, 4 hours 34 minutes before

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Local storm report, May 8, 10:27 AM CDT, 3 hours 51 minutes before

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Local storm report, May 8, 10:28 AM CDT, 3 hours 50 minutes before

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Local storm report, May 8, 12:56 PM CDT, 1 hour 22 minutes before

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Special weather statement, May 8, 2:09 PM CDT, 9 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 8, 6:06 AM CDT	Special Weather Statement	EAX	Buchanan	24 min
May 8, 6:30 AM CDT	Special Weather Statement	EAX	Cass	30 min
May 8, 6:40 AM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass, Johnson	35 min
May 8, 6:58 AM CDT	Severe Thunderstorm Warning	EAX	Jackson	32 min
May 8, 7:10 AM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Cass, Henry, Johnson	35 min
May 8, 7:14 AM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Clay, Jackson, Platte	31 min
May 8, 7:34 AM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Cass, Henry, Johnson	41 min
May 8, 7:37 AM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Clay, Clinton, Ray	23 min
May 8, 8:00 AM CDT	Areal Flood Advisory	EAX	Bates, Cass, Henry, Johnson	18 min
May 8, 8:02 AM CDT	Severe Thunderstorm Warning	EAX	Henry, Johnson, Pettis	43 min
May 8, 8:18 AM CDT	Flash Flood Warning	EAX	Bates, Cass, Henry, Johnson	6 hr
May 8, 8:36 AM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis	25 min
May 8, 8:39 AM CDT	Areal Flood Advisory	EAX	Pettis	16 min
May 8, 8:55 AM CDT	Flash Flood Warning	EAX	Pettis	6 hr
May 8, 9:20 AM CDT	River Flood Warning	EAX	Linn, Livingston	20 hr
May 8, 9:22 AM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	31 hr
May 8, 11:36 AM CDT	River Flood Warning	EAX	Cooper	33 hr
May 8, 2:09 PM CDT	Special Weather Statement	EAX	Henry	36 min
May 8, 2:13 PM CDT	Areal Flood Warning	EAX	Cass, Henry, Johnson	19 hr
May 8, 2:34 PM CDT	River Flood Warning	EAX	Johnson, Pettis	15 hr
May 8, 3:02 PM CDT	Areal Flood Warning	EAX	Pettis	6 hr
May 8, 5:26 PM CDT	Special Weather Statement	EAX	Henry	34 min
May 8, 6:03 AM CDT	Severe Thunderstorm Warning	EAX	Linn, Miami	27 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.