Alert archive / Missouri / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 267, NWS Kansas City, MO

May 17, 20264 counties in Missouri; Atchison County, Doniphan County, Kansas

NWS Kansas City, MO issued this severe thunderstorm warning at May 17, 2026, 1:25 AM CDT for 4 counties in Missouri; Atchison County, Doniphan County, Kansas. It was in force for 50 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 17, 2026, 1:25 AM CDT (06:25 UTC)
Expired: May 17, 2026, 2:15 AM CDT
In force: 50 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

Counties Atchison County, KS, Doniphan County, KS, Andrew County, MO, Buchanan County, MO, Holt County, MO, Nodaway County, MO

The radar

The Pleasant Hill radar (KEAX), 138 km from the middle of the area, began a volume at 06:25 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 16, 5:08 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
May 16, 10:57 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 6.4 hours before the alert went out and 113 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: 2671 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1677 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 95 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.6

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 17, 12:07 AM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, May 17, 12:07 AM CDT, 1 hour 18 minutes before

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Hazardous weather outlook, May 16, 5:06 AM CDT, 20 hours 19 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0506 AM CDT Sat May 16 2026

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-171006-
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-
0506 AM CDT Sat May 16 2026

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

.DAY ONE...Through tonight.

Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.

.KEY MESSAGES...

- Active weather pattern continues into early next week.

- Strong to severe storms will be possible tonight, primarily
  across northern Missouri.

- Marginal risk for strong to severe storms on Sunday
  evening/night.

- Best chance for severe weather comes Monday afternoon into
  late Monday night. All severe hazards will be possible.

  - Locally moderate to heavy rainfall will also be possible.

- Hot temperatures expected today through Monday.

In the hours before

Local storm report, May 16, 11:12 PM CDT, 2 hours 13 minutes before

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Local storm report, May 16, 11:24 PM CDT, 2 hours 1 minute before

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Local storm report, May 16, 11:42 PM CDT, 1 hour 43 minutes before

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Local storm report, May 17, 12:04 AM CDT, 1 hour 21 minutes before

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Local storm report, May 17, 12:22 AM CDT, 1 hour 3 minutes before

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Local storm report, May 17, 12:46 AM CDT, 39 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 16, 7:01 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	44 min
May 16, 7:12 PM CDT	Severe Thunderstorm Warning	EAX	Harrison, Worth	33 min
May 16, 7:14 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway, Worth	19 min
May 16, 7:20 PM CDT	Flash Flood Warning	EAX	Grundy, Linn, Sullivan	6 hr
May 16, 7:32 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Worth	43 min
May 16, 7:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Adair, Linn, Macon	43 min
May 16, 7:43 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	47 min
May 16, 7:51 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Mercer	39 min
May 16, 7:58 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	47 min
May 16, 8:03 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	27 min
May 16, 8:16 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Gentry, Harrison	44 min
May 16, 8:33 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Gentry, Grundy, Harrison, Mercer	27 min
May 16, 8:41 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Sullivan	34 min
May 16, 8:56 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	49 min
May 16, 8:58 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb, Gentry	47 min
May 16, 9:13 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Sullivan	32 min
May 16, 9:32 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Linn, Sullivan	43 min
May 16, 9:35 PM CDT	Flash Flood Warning EmergencyCatastrophic damage threat	EAX	Grundy	6 hr
May 16, 10:04 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Harrison	26 min
May 16, 10:06 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb, Gentry	24 min
May 16, 10:07 PM CDT	Flash Flood Warning	EAX	Daviess	5 hr
May 16, 10:14 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	18 min
May 16, 10:16 PM CDT	Flood Watch	EAX	Andrew, Atchison, Bates, Buchanan, Caldwell, Carroll and 28 more	60 hr
May 16, 10:19 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy	26 min
May 16, 10:44 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	31 min
May 16, 10:46 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Gentry, Harrison	29 min
May 16, 10:47 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Harrison	28 min
May 16, 11:14 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb, Gentry, Harrison	31 min
May 16, 11:25 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler, Sullivan	19 min
May 17, 12:16 AM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	44 min
May 17, 12:56 AM CDT	River Flood Warning	EAX	Linn, Livingston	5 days
May 17, 12:56 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	7 days
May 17, 1:14 AM CDT	Areal Flood Warning	EAX	Daviess, Gentry, Grundy, Harrison, Mercer	17 hr
May 17, 1:23 AM CDT	Areal Flood Warning	EAX	Linn, Sullivan	10 hr
May 17, 2:10 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Gentry, Holt and 1 more	50 min
May 17, 3:28 AM CDT	Areal Flood Warning	EAX	Daviess, Grundy	8 hr
May 17, 5:13 AM CDT	River Flood Warning	EAX	Grundy, Livingston	19 hr
May 17, 5:57 AM CDT	River Flood Warning	EAX	Daviess, Gentry	4 days
May 17, 8:43 AM CDT	River Flood Warning	EAX	Daviess, Livingston	4 days
May 17, 9:43 AM CDT	River Flood Warning	EAX	Andrew, Nodaway	7 hr
May 17, 9:43 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	10 hr
May 17, 9:43 AM CDT	River Flood Warning	EAX	Buchanan	5 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2026 Severe Thunderstorm Warnings in Kansas, 2026 Every severe thunderstorm warning in 2026

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.