Alert archive / Missouri / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 40, NWS Kansas City, MO

March 11, 2026Henry County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Mar 11, 2026, 12:04 AM CDT for Henry County, Missouri. It was in force for 41 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: Mar 11, 2026, 12:04 AM CDT (05:04 UTC)
Expired: Mar 11, 2026, 12:45 AM CDT
In force: 41 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 0.75 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 05:07 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

Springfield, MO (KSGF), launched 00:00Z, 5.1 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: 828 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 1277 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 9.4

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 Mar 10, 6:26 PM CDT, 5 hours 38 minutes earlier. Its key messages:

-Thunderstorms will develop across portions of eastern Kansas and west central Missouri into northeastern Missouri through sunset. -Large Hail, greater than golf ball size, and damaging wind gusts are the primary concerns. Tornado risk greatest with the initial storms that develop. -Isolated heavy rainfall may increase flooding concerns, especially in urban and low lying areas as more widespread rainfall spreads across the region overnight.&&

Area forecast discussion, Mar 10, 6:26 PM CDT, 5 hours 38 minutes before

Area Forecast Discussion
National Weather Service Kansas City/Pleasant Hill MO
626 PM CDT Tue Mar 10 2026

.KEY MESSAGES...

-Thunderstorms will develop across portions of eastern Kansas
 and west central Missouri into northeastern Missouri through
 sunset.

-Large Hail, greater than golf ball size, and damaging wind
 gusts are the primary concerns. Tornado risk greatest with the
 initial storms that develop.

-Isolated heavy rainfall may increase flooding concerns,
 especially in urban and low lying areas as more widespread
 rainfall spreads across the region overnight.&&

.DISCUSSION...
Issued at 153 PM CDT Tue Mar 10 2026

Through 1 PM, temperatures across the region have pushed well into
the upper 70s F, with a few lower 80s F reported south of the
Missouri River. Surface analysis reveals a surface trough stretching
from central Kansas into west-northwest Missouri. The associated
surface boundary remains rather stalled along the MO/IA border. With
the region well within the warm sector, the latest ACARS sounding
from KMCI reveals a sharpened inversion around 850mb. At the
surface, dew points have easily reached the lower 60s F and surface
based CAPE computations place a broad swath of instability between
2500 to 3000 J/Kg from southeast KS across much of Missouri. With
the capping inversion expected to hold strong and the lack of a
focused forcing mechanism through the afternoon, convective
development is expected to hold this afternoon.

This evening, beginning around 6 to 7 PM, with the push of the cold
front toward the Missouri River providing focused forcing for
ascent, convective initiation is expected from east central Kansas,
south of the MO River and northeast into NE MO/SE IA. CAMS have
hinted at this scenario much of the morning and this remains true
through early this afternoon. The initial updrafts that develop will
be isolated, supercellular structures, tapping into the available
instability and shear environment. This would mean all modes of
severe are possible, large hail, damaging winds, and tornadoes. The
good news, given the mean wind will be oriented parallel to the
front, storms are likely to cluster quickly, through 8 to 9 PM,
forming into a more linear structure as storms move east-southeast
with the advancing front. As this transition occurs, damaging wind
gusts and locally heavy rainfall will become the more widespread
hazard concern overnight. The risk for a spin up tornado cannot be
ruled out, but any risk would be isolated. Strong the severe storms
will push east and southeast of central Missouri through 2 to 3 AM.

Through the remainder of Wednesday morning, with the eastward
advance of the upper low, across the Southern Plains, a broad
baroclinic zone will develop with support from the LLJ,
resulting in more widespread showers and storms across eastern
Kansas into western Missouri. This activity will persist through
Wednesday morning. Pockets of moderate to heavy rainfall will
likely exist within the activity, potentially increasing
localized flooding concerns.

For the remainder of the work week, temperatures will settled near
normal, with highs in the 50s and lower 60s as high pressure settles
through Thursday before a cold front passes Friday morning.
Temperatures warm up into the 60s and 70s Saturday, ahead of the
next trough moving into the Central and Northern Plains. As that
system dives into the Mid and Lower Missouri Valley, a strong cold
front will move through the region. This system will also bring the
next chance for precipitation to the area on Sunday with some
potential for light snow across northern MO. This will greatly
depend on just how much cold air is able to spill into the area. In
the wake of this system, chilly conditions will prevail for the
first part of next week.

&&

.AVIATION /00Z TAFS THROUGH 00Z THURSDAY/...
Issued at 624 PM CDT Tue Mar 10 2026

Thunderstorms are moving into the Kansas City Metro area, and
will impact KMKC and KIXD in the first hour of the TAF period.
Beyond this initial round, shower and thunderstorm activity will
persist across the TAF sites overnight. Windy southwest
conditions will become more northerly with the passage of the
cold front later this evening. Expect brief periods of MVFR
conditions in thunderstorms.

&&

.EAX WATCHES/WARNINGS/ADVISORIES...
MO...None.
KS...None.

&&

DISCUSSION...
AVIATION...Kurtz

Hazardous weather outlook, Mar 10, 5:05 AM CDT, 18 hours 59 minutes before

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0505 AM CDT Tue Mar 10 2026

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-111005-
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-
0505 AM CDT Tue Mar 10 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...Wednesday through Monday.

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

.KEY MESSAGES...

-  Strong to severe storms possible Tuesday afternoon - overnight.
  - SPC Slight and Enhanced Risks over portions of the area.
  - WPC Slight Risk for Excessive Rainfall

- Drier with more seasonal temperatures Wednesday through
  Friday. Next chance for precipitation arrives late Saturday/
  Sunday AM, with some potential for light snow across northern
  MO

In the hours before

Local storm report, Mar 10, 10:11 PM CDT, 1 hour 53 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
1011 PM CDT Tue Mar 10 2026

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

0940 PM     Hail             2 SW Raytown            38.99N 94.49W
03/10/2026  M1.25 Inch       Jackson            MO   Public

&&

CMS

Local storm report, Mar 10, 10:19 PM CDT, 1 hour 45 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
1019 PM CDT Tue Mar 10 2026

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

1013 PM     Hail             4 N Grandview           38.94N 94.54W
03/10/2026  E1.25 Inch       Jackson            MO   Public

            Report from mPING: Half Dollar (1.25 in.).

&&

CMS

Local storm report, Mar 10, 10:29 PM CDT, 1 hour 35 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
1029 PM CDT Tue Mar 10 2026

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

1027 PM     Hail             3 NE Spring Hill        38.78N 94.80W
03/10/2026  E1.00 Inch       Johnson            KS   Public

            Report from mPING: Quarter (1.00 in.).

&&

CMS

Local storm report, Mar 10, 10:30 PM CDT, 1 hour 34 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
1030 PM CDT Tue Mar 10 2026

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

1026 PM     Hail             3 SW Lake Tapawingo     38.99N 94.34W
03/10/2026  E1.00 Inch       Jackson            MO   Public

&&

CMS

Local storm report, Mar 10, 10:31 PM CDT, 1 hour 33 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
1031 PM CDT Tue Mar 10 2026

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

0910 PM     Hail             3 SE Olathe             38.86N 94.76W
03/10/2026  E1.00 Inch       Johnson            KS   Public

            Time confirmed from radar.

&&

CMS

Special weather statement, Mar 10, 10:44 PM CDT, 1 hour 20 minutes before

Special Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
1044 PM CDT Tue Mar 10 2026

KSZ057-060-110415-
Miami KS-Linn KS-
1044 PM CDT Tue Mar 10 2026

...STRONG THUNDERSTORMS WILL IMPACT MIAMI AND LINN COUNTIES THROUGH
1115 PM CDT...

At 1044 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Rantoul to Greeley to Lone Elm. Movement
was east at 50 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Linn
Valley, Parker, Blue Mound, Prescott, Fontana, Hillsdale, New
Lancaster, and Beagle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Tornado Watch remains in effect until midnight CDT for east central
Kansas...and west central Missouri.

&&

LAT...LON 3804 9507 3821 9508 3825 9507 3826 9506
      3867 9506 3866 9462 3833 9461 3804 9462
TIME...MOT...LOC 0344Z 270DEG 44KT 3862 9509 3838 9513 3806 9523

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

CDB

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 10, 7:10 PM CDT	Tornado Warning	EAX	Caldwell, Ray	9 min
Mar 10, 7:15 PM CDT	Severe Thunderstorm Warning	EAX	Caldwell, Carroll, Clay, Clinton, Daviess, Jackson and 3 more	45 min
Mar 10, 7:16 PM CDT	Tornado Warning	EAX	Clay, Jackson, Ray	15 min
Mar 10, 7:33 PM CDT	Severe Thunderstorm Warning	EAX	Schuyler	21 min
Mar 10, 7:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Caldwell, Carroll, Clay, Ray	48 min
Mar 10, 7:49 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Grundy, Linn, Livingston, Macon, Sullivan	41 min
Mar 10, 7:55 PM CDT	Tornado Warning	EAX	Carroll, Ray	35 min
Mar 10, 8:11 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon, Putnam, Schuyler, Sullivan	48 min
Mar 10, 8:24 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Ray	51 min
Mar 10, 8:32 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Linn, Macon	43 min
Mar 10, 8:51 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Macon, Randolph	39 min
Mar 10, 9:01 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	44 min
Mar 10, 9:09 PM CDT	Severe Thunderstorm Warning	EAX	Ray	36 min
Mar 10, 9:23 PM CDT	Areal Flood Advisory	EAX	Carroll, Ray	3 hr
Mar 10, 9:26 PM CDT	Areal Flood Advisory	EAX	Cass, Jackson	32 min
Mar 10, 9:29 PM CDT	Severe Thunderstorm Warning	EAX	Clay, Jackson	31 min
Mar 10, 9:44 PM CDT	Severe Thunderstorm Warning	EAX	Carroll, Chariton, Lafayette, Linn, Macon, Randolph and 2 more	46 min
Mar 10, 9:45 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	30 min
Mar 10, 9:58 PM CDT	Flash Flood Warning	EAX	Cass, Jackson	4 hr
Mar 10, 10:07 PM CDT	Severe Thunderstorm Warning	EAX	Jackson	27 min
Mar 10, 10:33 PM CDT	Severe Thunderstorm Warning	EAX	Cass, Jackson	27 min
Mar 10, 10:35 PM CDT	Severe Thunderstorm Warning	EAX	Chariton, Linn, Macon, Randolph	11 min
Mar 10, 10:48 PM CDT	Severe Thunderstorm Warning	EAX	Bates, Cass	28 min
Mar 10, 11:14 PM CDT	Areal Flood Warning	EAX	Carroll, Chariton	13 hr
Mar 11, 12:34 AM CDT	Severe Thunderstorm Warning	EAX	Pettis	26 min
Mar 11, 12:52 AM CDT	River Flood Warning	EAX	Jackson	4 hr
Mar 11, 12:53 AM CDT	Severe Thunderstorm Warning	EAX	Cooper, Pettis	21 min
Mar 11, 2:12 AM CDT	Areal Flood Warning	EAX	Cass, Jackson	7 hr
Mar 11, 6:21 AM CDT	River Flood Warning	EAX	Carroll	32 hr
Mar 11, 10:44 AM CDT	River Flood Warning	EAX	Cooper, Saline	44 hr
Mar 11, 12:16 PM CDT	Red Flag Warning	EAX	Andrew, Atchison, Buchanan, Clinton, DeKalb, Gentry and 4 more	33 hr
Mar 11, 3:37 PM CDT	River Flood Warning	EAX	Cass, Henry, Johnson	41 hr
Mar 10, 10:08 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Miami	26 min
Mar 10, 10:38 PM CDT	River Flood Warning	EAX	Johnson	4 hr
Mar 10, 10:44 PM CDT	Special Weather Statement	EAX	Linn, Miami	31 min
Mar 11, 8:35 AM CDT	River Flood Warning	EAX	Miami	24 hr

Nearby

Severe Thunderstorm Warnings in Missouri, 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.