Alert archive / Missouri / Tornado Warnings in 2026

Tornado Warning 38, NWS Kansas City, MO

May 16, 2026Linn County, Sullivan County, Missouri

NWS Kansas City, MO issued this tornado warning at May 16, 2026, 6:27 PM CDT for Linn County, Sullivan County, Missouri. It was in force for 28 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 16, 2026, 6:27 PM CDT (23:27 UTC)
Expired
May 16, 2026, 6:55 PM CDT
In force
28 min
Issued by
NWS Kansas City, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
2.0 in

Counties Linn County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 159 km from the middle of the area, began a volume at 23:26 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.

What was reported inside it

TimeReportWhereRemark
May 16, 6:28 PM CDTTSTM WND DMG7 Wnw Purdin, MODamage to outbuildings along Clark Drive west of Browning MO. Time estimated from radar.
May 16, 6:28 PM CDTTORNADO7 Wsw Browning, MONWS Damage Survey Team confirmed an EF1 Tornado in northwestern Linn County Missouri Saturday 5/16/2026 north and east of Shafter, MO. This tornado began at 6:28 PM CDT near the intersection of Daisy and Clark Rd. It continued southeast resulting in EF-1 damag
May 16, 6:31 PM CDTTSTM WND DMG5 Wnw Purdin, MOReport of tree down on Hwy DD 1 mile east of Shafter MO. Time estimated from radar.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this tornado warning; the first came 1 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 16, 4:40 PM CDTTornado WatchSPC6 hr

The text

As transmitted.

496 
WFUS53 KEAX 162327
TOREAX
MOC115-211-170015-
/O.NEW.KEAX.TO.W.0038.260516T2327Z-260517T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Kansas City/Pleasant Hill MO
627 PM CDT Sat May 16 2026

The National Weather Service in Pleasant Hill has issued a

* Tornado Warning for...
  Northwestern Linn County in north central Missouri...
  South central Sullivan County in north central Missouri...

* Until 715 PM CDT.

* At 627 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Browning, or 16 miles southwest of Milan, moving
  east at 15 mph.

  HAZARD...Tornado and hail up to two inches in diameter.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Browning and Purdin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3995 9330 4001 9330 4008 9306 3994 9306
TIME...MOT...LOC 2327Z 271DEG 14KT 3999 9326 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...2.00 IN

$$

Curtis
1 follow-up statement
093 
WWUS53 KEAX 162355
SVSEAX

Severe Weather Statement
National Weather Service Kansas City/Pleasant Hill MO
655 PM CDT Sat May 16 2026

MOC115-211-170005-
/O.CAN.KEAX.TO.W.0038.000000T0000Z-260517T0015Z/
Linn MO-Sullivan MO-
655 PM CDT Sat May 16 2026

...THE TORNADO WARNING FOR NORTHWESTERN LINN AND SOUTH CENTRAL
SULLIVAN COUNTIES IS CANCELLED...

The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However, small hail,
gusty winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM CDT for north central
Missouri.

&&

LAT...LON 3995 9330 4001 9330 4008 9306 3994 9306
TIME...MOT...LOC 2354Z 271DEG 14KT 3999 9312 

$$

Curtis

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at May 16, 6:26 PM CDT, 1 minute earlier. Its key messages:

  • * Strong to severe storms possible (50-70%) late this afternoon and evening, primarily across northern Missouri. All hazards are possible, but the greatest threats are damaging winds and heavy rainfall. * Warm and windy conditions Sunday before another chance of storms later in the evening/overnight, mainly across northern Missouri again. The primary hazard would be hail. * Greatest chance for severe weather arrives Monday evening into the overnight hours. All severe hazards will be possible.
Area forecast discussion, May 16, 6:26 PM CDT, 1 minute before
Area Forecast Discussion
National Weather Service Kansas City/Pleasant Hill MO
626 PM CDT Sat May 16 2026

...Updated 00z Aviation...

.KEY MESSAGES...

* Strong to severe storms possible (50-70%) late this afternoon and
  evening, primarily across northern Missouri. All hazards are
  possible, but the greatest threats are damaging winds and heavy
  rainfall.

* Warm and windy conditions Sunday before another chance of storms
  later in the evening/overnight, mainly across northern Missouri
  again. The primary hazard would be hail.

* Greatest chance for severe weather arrives Monday evening into
  the overnight hours. All severe hazards will be possible.

&&

.DISCUSSION...
Issued at 342 PM CDT Sat May 16 2026

Earlier this morning, scattered showers and storms driven by the low-
level jet spread across the southern half of the CWA. A residual
outflow boundary from overnight convection lifting north caused
additional storms to form near the US-36 corridor. These storms
persisted for a couple of hours before decaying in tandem with the
low-level jet. CAMs were unable to latch onto the morning
convection, thus limiting trust in guidance for the remainder of the
immediate forecast period and leading to several questions about how
the evening will unfold.

In the wake of morning precipitation and storms, clear sky
conditions  largely took hold along and west of US-63. This, along
with southerly surface flow, led to destabilization across the CWA.
Mesoanalysis indicates around 1000-1500 J/kg of SBCAPE was ushered
into the region between 15Z and 18Z. As of 20Z, SBCAPE across
Missouri has increased to 3000-4000 J/kg. ACARS soundings have shown
this trend, most recently with SBCAPE ~3000 J/kg and falling CIN.
With increased instability, sporadic cumulus development was noted
across the region early this afternoon. The latest analysis of
surface observations indicate that a stalled boundary continues to
roughly bisect Iowa in a northwest/southeast manner. This boundary
will be the primary lifting mechanism as we head into the late
afternoon and early evening. Importantly, there has been a southward
trend in the boundary's trajectory this evening, ultimately
increasing the likelihood of convection for the northern portions of
Missouri as well as northeast Kansas. Satellite imagery remains
indicative of some sort of mesoscale boundary within the US-36
corridor that could allow for convection to light up as a weak
shortwave trough propagates eastward and ahead of the larger,
synoptic scale boundary currently sitting in Iowa. As such, isolated
discrete storms could form as early as late this afternoon. With
CAPE >1000 J/kg in the hail growth zone, hail is a reasonable
expectation for storms that are able to develop in the late
afternoon hours. LCLs are anticipated to sit roughly around 1500ft,
and 19Z mesoanalysis suggests the presence of 100-150 m2/s2 0-1km
SRH east of I-35 with >150 m2/s2 0-3km SRH surrounding the US-36
corridor in Missouri. The tornado threat is expected to be largely
confined to the late afternoon/early evening with any supercellular
structures that are able to develop. As the northern boundary sags
south later in the evening, rapid upscale growth is anticipated,
after which point the primary threat would become damaging winds and
excessive rainfall, but a tornado cannot be entirely ruled out due
to potential boundary interactions and cell mergers. With several
models suggesting PWATs > 1.8", confidence in heavy rainfall between
the US-36 corridor and the Missouri-Iowa border is high, leading to
WPC upgrading to a slight risk of excessive rainfall through 12Z
tomorrow.

Storms are expected to retreat northward with the synoptic boundary
after midnight, though the southward portion of a QLCS coming out of
western Kansas and Nebraska could lead to brief periods of rain and
thunder in our far northern Missouri counties through sunrise.
Southerly flow will prevail on Sunday, allowing for another day of
temperatures in the mid/upper 80s. Breezy conditions will also be
widespread with sustained winds up to 15-20 MPH and gusts up to 35-
40 MPH. Much of the area is outlooked in a marginal risk for strong
to severe storms tomorrow evening, though assessment of forecast
soundings suggests the cap will be rather difficult to overcome.
Upper-level support also looks considerably better further north and
west of the CWA. Some broad and weak QG frontogenic forcing
overnight could produce or sustain some elevated showers and storms
from other portions of the Plains, but CAMs don't seem particularly
eager on anything severe tomorrow night.

Looking ahead to Monday, an upper/mid-level trough axis is progged
to sit overhead of the Four Corners region. Throughout the course of
the day, a mid-level jet is expected to intensify, primarily into
Kansas, Nebraska, and Iowa where southwesterly flow around 80 knots
is predicted to be present. Closer to home, only about half the
magnitude of the mid-level jet is realized. A surface low pressure
center near the IA/NE/MN border with an attendant cold front will
continue to move eastward, with the cold front pushing into Kansas
and Missouri sometime Monday evening. Guidance suggests that a high
to extremely unstable airmass will spread across much of the Central
Plains. Deep layer shear is anticipated to strengthen to 40-45 kts
ahead of the cold front. High CAPE in the HGZ, DCAPE, SRH, PWATs and
low LCLs are all indicative of a robust convective environment.
Questions remain regarding the timing of the front and whether we
will see discrete convection initiate in the open warm sector.
However, confidence is high in a line of thunderstorms along the
front sometime Monday evening and/or overnight into early Tuesday
morning.

&&

.AVIATION /00Z TAFS THROUGH 00Z MONDAY/...
Issued at 623 PM CDT Sat May 16 2026

Cold front will move through the area this evening, bringing
wide spread rain showers and strong thunderstorms in northern
Missouri. Heavy rainfall in northern Missouri will result in
brief IFR conditions. Most cloud bases will be VFR. Expect most
of the KC metro terminals to miss out on the heavier
shower/storm activity. Winds will remain gusty through Sunday.

&&

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

&&

DISCUSSION...Macko
AVIATION...Krull
Hazardous weather outlook, May 16, 5:06 AM CDT, 13 hours 21 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, 5:27 PM CDT, 1 hour before
Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
527 PM CDT Sat May 16 2026

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

0511 PM     Hail             2 E Trenton             40.08N 93.58W
05/16/2026  E1.75 Inch       Grundy             MO   Emergency Mngr

&&

AK
Local storm report, May 16, 5:29 PM CDT, 58 minutes before
Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
529 PM CDT Sat May 16 2026

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

0526 PM     Hail             3 N Trenton             40.12N 93.61W
05/16/2026  E2.00 Inch       Grundy             MO   Emergency Mngr

&&

AK
Local storm report, May 16, 5:33 PM CDT, 54 minutes before
Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
533 PM CDT Sat May 16 2026

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

0531 PM     Hail             1 N Trenton             40.09N 93.62W
05/16/2026  E1.50 Inch       Grundy             MO   Emergency Mngr

&&

AK
Local storm report, May 16, 5:39 PM CDT, 48 minutes before
Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
539 PM CDT Sat May 16 2026

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

0529 PM     Tstm Wnd Gst     2 WSW Laredo            40.01N 93.48W
05/16/2026  M71 MPH          Grundy             MO   Public

            Personal Weather Station recorded.

&&

AK
Local storm report, May 16, 5:53 PM CDT, 34 minutes before
Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
553 PM CDT Sat May 16 2026

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

0548 PM     Flash Flood      1 E Trenton             40.08N 93.59W
05/16/2026                   Grundy             MO   Emergency Mngr

            Relayed by EM from law enforcement that a
            car is underwater just east of Trenton.
            Several roads reported flooding in Trenton.

&&

SM
Local storm report, May 16, 6:17 PM CDT, 10 minutes before
Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
617 PM CDT Sat May 16 2026

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

0612 PM     Tstm Wnd Dmg     1 E Chula               39.92N 93.45W
05/16/2026                   Livingston         MO   Public

            6 inch tree limbs knocked down.

&&

CDB

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 9:07 AM CDTSevere Thunderstorm WarningEAXLinn, Livingston38 min
May 16, 10:18 AM CDTSpecial Weather StatementEAXDaviess, Linn, Macon27 min
May 16, 4:18 PM CDTSevere Thunderstorm WarningEAXGrundy27 min
May 16, 4:27 PM CDTSevere Thunderstorm WarningEAXHarrison33 min
May 16, 4:33 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy, Harrison27 min
May 16, 4:38 PM CDTSevere Thunderstorm WarningEAXGrundy, Sullivan52 min
May 16, 4:44 PM CDTSevere Thunderstorm Warning Considerable damage threatEAXHarrison13 min
May 16, 4:56 PM CDTSevere Thunderstorm WarningEAXGrundy, Harrison, Mercer49 min
May 16, 5:15 PM CDTSevere Thunderstorm WarningEAXGrundy, Mercer, Sullivan45 min
May 16, 5:26 PM CDTFlash Flood WarningEAXGrundy, Harrison, Mercer8 hr
May 16, 5:28 PM CDTSevere Thunderstorm Warning Considerable damage threatEAXGrundy, Linn, Sullivan47 min
May 16, 5:34 PM CDTSevere Thunderstorm WarningEAXGrundy, Harrison, Mercer27 min
May 16, 5:59 PM CDTSevere Thunderstorm Warning Considerable damage threatEAXGrundy, Linn, Livingston, Sullivan46 min
May 16, 6:19 PM CDTSevere Thunderstorm WarningEAXGrundy41 min
May 16, 6:34 PM CDTTornado WarningEAXGrundy, Linn, Livingston, Sullivan26 min
May 16, 6:39 PM CDTAreal Flood AdvisoryEAXGrundy, Linn, Livingston, Sullivan5 hr
May 16, 6:55 PM CDTSevere Thunderstorm Warning Considerable damage threatEAXGrundy, Linn, Livingston, Sullivan65 min
May 16, 6:57 PM CDTSevere Thunderstorm WarningEAXGrundy, Mercer, Sullivan48 min

Nearby

Tornado Warnings in Missouri, 2026Every tornado warning in 2026Tornadoes 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; local storm reports from the same archive; radar from the NEXRAD Level II archive.