Alert archive / Missouri / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 81, NWS Kansas City, MO

May 24, 2020Howard County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 24, 2020, 7:55 PM CDT for Howard County, Missouri. It was in force for 19 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 24, 2020, 7:55 PM CDT (00:55 UTC)
Expired: May 24, 2020, 8:14 PM CDT
In force: 19 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Tornado: Possible
Hail: 0.88 in
Wind: 60.0 mph

County Howard County, MO

The radar

The Pleasant Hill radar (KEAX), 141 km from the middle of the area, began a volume at 00:57 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, 0.9 hours before the alert went out and 255 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: 847 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1016 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 68 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 24, 6:37 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, May 24, 6:37 PM CDT, 1 hour 18 minutes before

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Hazardous weather outlook, May 24, 5:01 AM CDT, 14 hours 54 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
501 AM CDT Sun May 24 2020

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-251015-
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-
501 AM CDT Sun May 24 2020

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

.DAY ONE...Today and Tonight

 The line of storms in eastern NE, may graze far northern MO this
morning, producing strong winds. Otherwise, main concern is scattered
storms developing early this afternoon through the evening. Some
storms may become severe with up to ping pong sized hail and damaging
winds up to 60 mph.

A line of storms is then expected to move into northeast KS and
northwest MO late tonight, producing moderate to heavy rain and
potentially strong winds. A flash flood watch is in effect for this
area given the multiple rounds of storms expected.

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

.DAYS TWO THROUGH SEVEN...Monday through Saturday

 On and off storm chances continue Monday through the end of the work
week.

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

In the hours before

Local storm report, May 24, 5:11 PM CDT, 2 hours 44 minutes before

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Local storm report, May 24, 6:03 PM CDT, 1 hour 52 minutes before

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Local storm report, May 24, 6:41 PM CDT, 1 hour 14 minutes before

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Special weather statement, May 24, 6:54 PM CDT, 1 hour 1 minute before

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Special weather statement, May 24, 7:33 PM CDT, 22 minutes before

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Special weather statement, May 24, 7:52 PM CDT, 3 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 24, 7:33 PM CDT	Special Weather Statement	EAX	Howard	42 min
May 24, 7:52 PM CDT	Special Weather Statement	EAX	Cooper	38 min
May 24, 8:02 PM CDT	Special Weather Statement	EAX	Henry	43 min
May 24, 8:16 PM CDT	Special Weather Statement	EAX	Howard	44 min
May 24, 8:24 PM CDT	Special Weather Statement	EAX	Lafayette	36 min
May 24, 8:44 PM CDT	Special Weather Statement	EAX	Carroll	46 min
May 24, 8:52 PM CDT	Special Weather Statement	EAX	Randolph	38 min
May 24, 9:31 PM CDT	Areal Flood Advisory	EAX	Chariton, Linn, Macon, Randolph	3 hr
May 25, 8:14 AM CDT	River Flood Warning	EAX	Andrew, Nodaway	52 hr
May 25, 8:14 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	71 hr
May 25, 9:18 AM CDT	River Flood Warning	EAX	Chariton, Macon	59 hr
May 25, 9:34 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	5 days
May 25, 9:34 AM CDT	River Flood Warning	EAX	Jackson, Lafayette, Ray	21 days
May 25, 9:34 AM CDT	River Flood Warning	EAX	Carroll, Lafayette, Saline	8 days
May 25, 2:18 PM CDT	Special Weather Statement	EAX	Buchanan	42 min
May 25, 2:23 PM CDT	Tornado Warning	EAX	Buchanan, Platte	37 min
May 25, 2:49 PM CDT	Special Weather Statement	EAX	Andrew	41 min
May 25, 2:53 PM CDT	Special Weather Statement	EAX	Saline	52 min
May 25, 2:55 PM CDT	Special Weather Statement	EAX	Ray	50 min
May 25, 2:58 PM CDT	Severe Thunderstorm Warning	EAX	Lafayette, Ray	32 min
May 25, 3:19 PM CDT	Special Weather Statement	EAX	Caldwell	41 min
May 25, 3:27 PM CDT	Special Weather Statement	EAX	Carroll, Chariton, Livingston	48 min
May 25, 3:32 PM CDT	Special Weather Statement	EAX	Macon	43 min
May 25, 3:46 PM CDT	Special Weather Statement	EAX	Andrew	44 min
May 25, 3:48 PM CDT	Special Weather Statement	EAX	Henry	42 min
May 25, 3:50 PM CDT	Special Weather Statement	EAX	Daviess, Harrison	55 min
May 25, 4:19 PM CDT	Special Weather Statement	EAX	Grundy, Mercer	41 min
May 25, 4:24 PM CDT	Special Weather Statement	EAX	Johnson, Lafayette	51 min
May 25, 4:28 PM CDT	Special Weather Statement	EAX	Adair, Macon	47 min
May 25, 4:31 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Sullivan	29 min
May 25, 4:34 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon	26 min
May 25, 4:44 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Lafayette, Ray	34 min
May 25, 4:51 PM CDT	Severe Thunderstorm Warning	EAX	Mercer, Putnam	24 min
May 25, 4:54 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Sullivan	36 min
May 25, 5:10 PM CDT	Special Weather Statement	EAX	Adair, Schuyler	65 min
May 25, 5:15 PM CDT	Special Weather Statement	EAX	Carroll	45 min
May 25, 5:21 PM CDT	Special Weather Statement	EAX	Putnam	39 min
May 25, 5:57 PM CDT	Special Weather Statement	EAX	Linn, Livingston	48 min
May 25, 6:02 PM CDT	Special Weather Statement	EAX	Cooper, Howard, Randolph	43 min
May 25, 6:37 PM CDT	Special Weather Statement	EAX	Linn, Macon, Sullivan	38 min
May 25, 6:46 PM CDT	Special Weather Statement	EAX	Howard	44 min
May 25, 9:24 AM CDT	River Flood Warning	EAX	Atchison, Leavenworth	64 hr
May 25, 9:24 AM CDT	River Flood Warning	EAX	Leavenworth	4 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2020 Every severe thunderstorm warning in 2020

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.