Alert archive / Missouri / Tornado Warnings in 2025

Tornado Warning 40, NWS St. Louis, MO

April 20, 2025Boone County, Moniteau County, Missouri

NWS St. Louis, MO issued this tornado warning at Apr 20, 2025, 5:01 PM CDT for Boone County, Moniteau County, Missouri. It was in force for 35 min. 7 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
Apr 20, 2025, 5:01 PM CDT (22:01 UTC)
Expired
Apr 20, 2025, 5:36 PM CDT
In force
35 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Boone County, MO, Moniteau County, MO

The radar

The St Louis radar (KLSX), 152 km from the middle of the area, began a volume at 22:01 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
Apr 20, 5:09 PM CDTTSTM WND DMG2 Nne Columbia, MOMultiple tree trunks snapped.
Apr 20, 5:18 PM CDTTSTM WND DMG2 Nnw Columbia, MORoof damage to Parkade Baptist Church.
Apr 20, 5:18 PM CDTTSTM WND DMG2 Nnw Columbia, MOTree damage varying from downed limbs to uprooted trees.
Apr 20, 5:18 PM CDTTORNADO5 Wsw Murry, MOCorrects previous tornado report from 5 WSW Murry. An NWS survey team found high-end EF1 tornado damage along a path extending from Highway 763 and northeast through Columbia, MO. This tornado was on the ground from 5:18pm until 5:25pm and had a path length of
Apr 20, 5:19 PM CDTTSTM WND DMG3 Ne Columbia, MOSmall outbuildings damaged.
Apr 20, 5:20 PM CDTTSTM WND DMG5 Wsw Murry, MOAn outbuilding and a warehouse were significantly damaged, per images.
Apr 20, 5:20 PM CDTTSTM WND GST 652 W Columbia, MOEstimated winds.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 20, 12:03 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.0 hours before the alert went out and 279 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2025-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2025-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 262 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
469 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
262 m²/s²
0-3 km storm-relative helicity
-40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

092 
WFUS53 KLSX 202201
TORLSX
MOC019-135-202245-
/O.NEW.KLSX.TO.W.0040.250420T2201Z-250420T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
501 PM CDT Sun Apr 20 2025

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Boone County in central Missouri...
  Northeastern Moniteau County in central Missouri...

* Until 545 PM CDT.

* At 501 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located near Jamestown, or 12 miles southwest of 
  Columbia, moving northeast at 60 mph.

  HAZARD...Tornado.

  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.

* This tornado will be near...
  Easley and Jamestown around 505 PM CDT.
  Columbia and Midway around 510 PM CDT.

Other locations impacted by the tornado include McBaine and Lupus.

This includes the following State Parks...
Rock Bridge State Park, Finger Lakes State Park and Jewell Cemetery 
Historic Site.

This includes Interstate 70 in Missouri between exits 115 and 131.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from 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 3899 9256 3925 9243 3925 9232 3924 9210
      3916 9211 3911 9211 3873 9238 3874 9239
      3874 9240 3867 9242 3875 9252 3883 9245
      3894 9251 3897 9256 3898 9256 3898 9257
TIME...MOT...LOC 2201Z 213DEG 51KT 3883 9249

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

19
4 follow-up statements
895 
WWUS53 KLSX 202210
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
510 PM CDT Sun Apr 20 2025

MOC135-202220-
/O.CAN.KLSX.TO.W.0040.000000T0000Z-250420T2245Z/
Moniteau MO-
510 PM CDT Sun Apr 20 2025

...TORNADO WARNING IS CANCELLED FOR NORTHEASTERN MONITEAU COUNTY...

The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, large hail and damaging winds remain likely and 
a Severe Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until 700 PM CDT for a portion of 
central Missouri.

&&

LAT...LON 3911 9211 3873 9238 3874 9240 3877 9241
      3879 9238 3882 9238 3882 9242 3883 9244
      3888 9248 3891 9248 3892 9250 3894 9251
      3896 9255 3898 9256 3898 9257 3899 9256
      3925 9243 3924 9210
TIME...MOT...LOC 2201Z 213DEG 51KT 3883 9249

$$


MOC019-202245-
/O.CON.KLSX.TO.W.0040.000000T0000Z-250420T2245Z/
Boone MO-
510 PM CDT Sun Apr 20 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR BOONE 
COUNTY...

At 510 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Midway, or near Columbia, moving northeast at 60 
mph.

HAZARD...Tornado.

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.

This tornado will be near...
  Easley around 505 PM CDT.
  Columbia and Midway around 510 PM CDT.

Other locations impacted by the tornado include McBaine and Lupus.

This includes the following State Parks...
Rock Bridge State Park, Finger Lakes State Park and Jewell Cemetery 
Historic Site.

This includes Interstate 70 in Missouri between exits 115 and 131.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from 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 3911 9211 3873 9238 3874 9240 3877 9241
      3879 9238 3882 9238 3882 9242 3883 9244
      3888 9248 3891 9248 3892 9250 3894 9251
      3896 9255 3898 9256 3898 9257 3899 9256
      3925 9243 3924 9210
TIME...MOT...LOC 2201Z 213DEG 51KT 3883 9249

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

19
762 
WWUS53 KLSX 202214
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
514 PM CDT Sun Apr 20 2025

MOC019-202245-
/O.CON.KLSX.TO.W.0040.000000T0000Z-250420T2245Z/
Boone MO-
514 PM CDT Sun Apr 20 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR BOONE 
COUNTY...

At 514 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over Columbia, moving north at 75 mph.

HAZARD...Tornado.

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.

This tornado will be near...
  Easley around 505 PM CDT.
  Columbia around 515 PM CDT.

Other locations impacted by the tornado include Lupus and McBaine.

This includes the following State Parks...
Rock Bridge State Park, Finger Lakes State Park and Jewell Cemetery 
Historic Site.

This includes Interstate 70 in Missouri between exits 115 and 131.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from 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 3911 9211 3873 9238 3874 9240 3877 9241
      3879 9238 3882 9238 3882 9242 3883 9244
      3888 9248 3891 9248 3892 9250 3894 9251
      3896 9255 3898 9256 3898 9257 3899 9256
      3925 9243 3924 9210
TIME...MOT...LOC 2210Z 202DEG 66KT 3886 9234

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

19
434 
WWUS53 KLSX 202220
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
520 PM CDT Sun Apr 20 2025

MOC019-202245-
/O.CON.KLSX.TO.W.0040.000000T0000Z-250420T2245Z/
Boone MO-
520 PM CDT Sun Apr 20 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR NORTHERN 
BOONE COUNTY...

At 520 PM CDT, a severe thunderstorm capable of producing a tornado 
was located near Columbia, moving northeast at 65 mph.

HAZARD...Tornado.

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.

This tornado will be near...
  Columbia around 515 PM CDT.

This includes the following State Parks...
	Finger Lakes State Park and Jewell Cemetery Historic Site.

This includes Interstate 70 in Missouri between exits 121 and 131.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from 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 3924 9244 3925 9243 3925 9232 3924 9210
      3916 9211 3911 9211 3889 9227 3901 9255
TIME...MOT...LOC 2214Z 208DEG 55KT 3889 9232

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

19
500 
WWUS53 KLSX 202236
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
536 PM CDT Sun Apr 20 2025

MOC019-202246-
/O.CAN.KLSX.TO.W.0040.000000T0000Z-250420T2245Z/
Boone MO-
536 PM CDT Sun Apr 20 2025

...TORNADO WARNING IS CANCELLED FOR NORTHERN BOONE COUNTY...

The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, large hail and damaging winds remain likely and 
a Severe Thunderstorm Warning remains in effect for the area.

A Tornado Watch remains in effect until 700 PM CDT for a portion of 
central Missouri.

&&

LAT...LON 3924 9244 3925 9243 3925 9232 3924 9210
      3916 9211 3911 9211 3889 9227 3901 9255
TIME...MOT...LOC 2220Z 208DEG 55KT 3898 9226

$$

19

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 8:23 PM CDTRiver Flood WarningLSXReynolds60 hr
Apr 19, 8:28 PM CDTRiver Flood WarningLSXCrawford, Washington61 hr
Apr 19, 8:28 PM CDTRiver Flood WarningLSXCrawford20 hr
Apr 20, 6:13 AM CDTSevere Thunderstorm WarningLSXBoone, Callaway, Cole, Osage31 min
Apr 20, 6:53 AM CDTRiver Flood WarningLSXJefferson61 hr
Apr 20, 7:57 AM CDTRiver Flood WarningLSXOsage57 hr
Apr 20, 7:57 AM CDTRiver Flood WarningLSXCole49 hr
Apr 20, 8:28 AM CDTRiver Flood WarningLSXBoone23 hr
Apr 20, 10:37 AM CDTRiver Flood WarningLSXFranklin47 hr
Apr 20, 12:38 PM CDTTornado WarningLSXCole, Moniteau43 min
Apr 20, 1:31 PM CDTTornado WarningLSXCallaway44 min
Apr 20, 4:18 PM CDTSevere Thunderstorm WarningLSXCole, Moniteau57 min
Apr 20, 4:32 PM CDTTornado WarningLSXMoniteau37 min
Apr 20, 4:51 PM CDTSevere Thunderstorm WarningLSXBoone, Callaway54 min
Apr 20, 4:54 PM CDTSevere Thunderstorm WarningLSXOsage66 min
Apr 20, 5:13 PM CDTSevere Thunderstorm WarningLSXCole17 min
Apr 20, 5:25 PM CDTTornado WarningLSXAudrain, Boone, Callaway39 min
Apr 20, 5:30 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXAudrain, Boone, Callaway, Monroe, Montgomery, Ralls45 min
Apr 20, 5:34 PM CDTSevere Thunderstorm WarningLSXAudrain, Monroe, Shelby41 min
Apr 20, 5:44 PM CDTTornado WarningLSXCallaway, Montgomery46 min
Apr 20, 5:46 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXFranklin, Gasconade, Warren44 min
Apr 20, 6:03 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXPike, Ralls42 min
Apr 20, 6:07 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXCrawford, Franklin, Gasconade, Iron, Reynolds, Washington53 min
Apr 20, 6:07 PM CDTTornado WarningLSXLincoln, Pike38 min
Apr 20, 6:11 PM CDTTornado WarningLSXPike, Ralls49 min
Apr 20, 6:15 PM CDTSevere Thunderstorm WarningLSXLewis, Marion60 min
Apr 20, 6:20 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXFranklin, Lincoln, Montgomery, Saint Charles, Saint Louis, Warren40 min
Apr 20, 6:40 PM CDTSevere Thunderstorm Warning Considerable damage threatLSXPike20 min
Apr 20, 6:56 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren and 1 more64 min
Apr 20, 6:58 PM CDTSevere Thunderstorm WarningLSXCrawford, Franklin, Iron, Jefferson, Madison, Reynolds and 4 more62 min

Nearby

Tornado Warnings in Missouri, 2025Every tornado warning in 2025Tornadoes in 2025

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.