Alert archive / Missouri / Tornado Warnings in 2025

Tornado Warning 47, NWS St. Louis, MO

April 20, 20255 counties in Missouri

NWS St. Louis, MO issued this tornado warning at Apr 20, 2025, 7:13 PM CDT for 5 counties in Missouri. It was in force for 47 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
Apr 20, 2025, 7:13 PM CDT (00:13 UTC)
Expired
Apr 20, 2025, 8:00 PM CDT
In force
47 min
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Iron County, MO, Madison County, MO, Reynolds County, MO, Saint Francois County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 120 km from the middle of the area, began a volume at 00:17 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, 7:40 PM CDTTSTM WND DMG1 Ssw Park Hills, MOPower lines down at Camilla St. and Polk Ave. via EM.
Apr 20, 7:40 PM CDTTSTM WND DMGDesloge, MOPowerlines down, per EM.
Apr 20, 7:50 PM CDTTSTM WND GST 601 Nw Farmington, MOvia trained spotter.

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, 3:41 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.2 hours before the alert went out and 283 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, Springfield, MO at 00:00Z on 2025-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Springfield, MO at 00:00Z on 2025-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -143 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1255 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-143 m²/s²
0-3 km storm-relative helicity
-93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

751 
WFUS53 KLSX 210013
TORLSX
MOC093-123-179-187-221-210100-
/O.NEW.KLSX.TO.W.0047.250421T0013Z-250421T0100Z/

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

The National Weather Service in St Louis has issued a

* Tornado Warning for...
  Southeastern Washington County in east central Missouri...
  Northeastern Iron County in southeastern Missouri...
  Northwestern Madison County in southeastern Missouri...
  Northeastern Reynolds County in southeastern Missouri...
  Southwestern Saint Francois County in southeastern Missouri...

* Until 800 PM CDT.

* At 713 PM CDT, a severe thunderstorm capable of producing a 
  tornado was located 8 miles northwest of Glover, or 11 miles west 
  of Ironton, 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.

* Locations impacted include...
  Farmington, Desloge, Bismarck, Ironton, Park Hills, Pilot Knob, 
  Iron Mountain Lake, Arcadia, Iron Mountain, Roselle, Belleview, 
  Glover, Knob Lick, Leadington, Granite, Doe Run, Hogan, 
  Lesterville, Libertyville and Black.

This includes the following State Parks...
St. Joe State Park, Johnsons Shut-Ins State Park, Fort Davidson 
Historic Site, Elephant Rocks State Park, Taum Sauk Mountain State 
Park and Missouri Mines Historic Site.

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 3760 9092 3790 9051 3767 9021 3740 9087
      3756 9098
TIME...MOT...LOC 0013Z 229DEG 56KT 3754 9083

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN

$$

Elmore
4 follow-up statements
755 
WWUS53 KLSX 210026
SVSLSX

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

MOC179-210036-
/O.CAN.KLSX.TO.W.0047.000000T0000Z-250421T0100Z/
Reynolds MO-
726 PM CDT Sun Apr 20 2025

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

The storm which prompted the warning has moved out of the area. 
Therefore, the warning has been cancelled. However, small hail and 
gusty winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM CDT for a portion of 
southeast Missouri.

&&

LAT...LON 3744 9077 3771 9077 3790 9051 3767 9021
TIME...MOT...LOC 0013Z 229DEG 56KT 3754 9083

$$


MOC093-123-187-221-210100-
/O.CON.KLSX.TO.W.0047.000000T0000Z-250421T0100Z/
Iron MO-Madison MO-Saint Francois MO-Washington MO-
726 PM CDT Sun Apr 20 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 8 PM CDT FOR SOUTHEASTERN 
WASHINGTON COUNTY IN EAST CENTRAL MISSOURI AND NORTHEASTERN IRON, 
NORTHWESTERN MADISON AND SOUTHWESTERN SAINT FRANCOIS COUNTIES IN 
SOUTHEASTERN MISSOURI...

At 726 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over Iron Mountain Lake, or near Ironton, 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.

Locations impacted include...
  Farmington, Desloge, Bismarck, Ironton, Park Hills, Pilot Knob, 
  Iron Mountain Lake, Arcadia, Roselle, Iron Mountain, Knob Lick, 
  Belleview, Glover, Leadington, Doe Run, Granite, Hogan and 
  Libertyville.

This includes the following State Parks...
St. Joe State Park, Fort Davidson Historic Site, Elephant Rocks 
State Park and Missouri Mines Historic Site.

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.

Tornadoes are difficult to observe at night. Take cover now!

&&

LAT...LON 3744 9077 3771 9077 3790 9051 3767 9021
TIME...MOT...LOC 0013Z 229DEG 56KT 3754 9083

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN

$$

Elmore
767 
WWUS53 KLSX 210038
SVSLSX

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

MOC221-210048-
/O.CAN.KLSX.TO.W.0047.000000T0000Z-250421T0100Z/
Washington MO-
738 PM CDT Sun Apr 20 2025

...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN WASHINGTON COUNTY 
IN EAST CENTRAL MISSOURI...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning has been cancelled. However, small hail and 
gusty winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM CDT for a portion of 
east central Missouri.

&&

LAT...LON 3764 9064 3781 9064 3790 9051 3767 9021
      3764 9029 3757 9046 3757 9064
TIME...MOT...LOC 0026Z 229DEG 56KT 3767 9063

$$


MOC093-123-187-210100-
/O.CON.KLSX.TO.W.0047.000000T0000Z-250421T0100Z/
Iron MO-Madison MO-Saint Francois MO-
738 PM CDT Sun Apr 20 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 8 PM CDT FOR EAST CENTRAL 
IRON, NORTHWESTERN MADISON AND SOUTHWESTERN SAINT FRANCOIS COUNTIES 
IN SOUTHEASTERN MISSOURI...

At 738 PM CDT, a severe thunderstorm capable of producing a tornado 
was located 5 miles south of Park Hills, or 5 miles southwest of 
Farmington, moving northeast at 55 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.

Locations impacted include...
  Farmington, Desloge, Bismarck, Ironton, Park Hills, Pilot Knob, 
  Iron Mountain Lake, Arcadia, Knob Lick, Roselle, Iron Mountain, 
  Leadington, Doe Run and Libertyville.

This includes the following State Parks...
St. Joe State Park, Fort Davidson Historic Site and Missouri Mines 
Historic Site.

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.

Tornadoes are difficult to observe at night. Take cover now!

&&

LAT...LON 3764 9064 3781 9064 3790 9051 3767 9021
      3764 9029 3757 9046 3757 9064
TIME...MOT...LOC 0026Z 229DEG 46KT 3765 9066

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN

$$

Elmore
665 
WWUS53 KLSX 210045
SVSLSX

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

MOC093-123-210055-
/O.CAN.KLSX.TO.W.0047.000000T0000Z-250421T0100Z/
Iron MO-Madison MO-
745 PM CDT Sun Apr 20 2025

...TORNADO WARNING IS CANCELLED FOR EAST CENTRAL IRON AND 
NORTHWESTERN MADISON COUNTIES IN SOUTHEASTERN MISSOURI...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning has been cancelled. However, small hail and 
gusty winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM CDT for a portion of 
southeast Missouri.

&&

LAT...LON 3787 9055 3790 9051 3767 9021 3764 9029
      3764 9047
TIME...MOT...LOC 0038Z 229DEG 46KT 3775 9051

$$


MOC187-210100-
/O.CON.KLSX.TO.W.0047.000000T0000Z-250421T0100Z/
Saint Francois MO-
745 PM CDT Sun Apr 20 2025

...TORNADO WARNING REMAINS IN EFFECT UNTIL 8 PM CDT FOR SOUTHWESTERN 
SAINT FRANCOIS COUNTY...

At 745 PM CDT, a severe thunderstorm capable of producing a tornado 
was located over Farmington, moving northeast at 55 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.

Locations impacted include...
  Farmington, Desloge, Park Hills, Knob Lick, Leadington, Doe Run 
  and Libertyville.

This includes the following State Parks...
	St. Joe State Park and Missouri Mines Historic Site.

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.

Tornadoes are difficult to observe at night. Take cover now!

&&

LAT...LON 3787 9055 3790 9051 3767 9021 3764 9029
      3764 9047
TIME...MOT...LOC 0038Z 229DEG 46KT 3775 9051

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN

$$

Elmore
373 
WWUS53 KLSX 210054
SVSLSX

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

MOC187-210104-
/O.EXP.KLSX.TO.W.0047.000000T0000Z-250421T0100Z/
Saint Francois MO-
754 PM CDT Sun Apr 20 2025

...TORNADO WARNING WILL EXPIRE AT 8 PM CDT FOR SOUTHWESTERN SAINT 
FRANCOIS COUNTY...

The storm which prompted the warning has moved out of the area. 
Therefore, the warning will be allowed to expire. However, small 
hail and gusty winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM CDT for a portion of 
southeast Missouri.

&&

LAT...LON 3764 9029 3764 9047 3787 9055 3790 9051
      3767 9021
TIME...MOT...LOC 0045Z 229DEG 46KT 3781 9043

$$

Elmore

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 7:28 PM CDTTornado WarningLSXJefferson, Sainte Genevieve, Saint Francois, Washington37 min
Apr 20, 7:53 PM CDTSevere Thunderstorm WarningLSXJefferson, Madison, Sainte Genevieve, Saint Francois, Saint Louis52 min
Apr 20, 7:56 PM CDTTornado WarningLSXSainte Genevieve49 min
Apr 20, 8:19 PM CDTTornado WarningLSXMadison41 min
Apr 20, 8:53 PM CDTRiver Flood WarningLSXMonroe49 hr
Apr 20, 8:53 PM CDTRiver Flood WarningLSXLincoln67 hr
Apr 20, 8:57 PM CDTRiver Flood WarningLSXFranklin, Jefferson60 hr
Apr 20, 8:57 PM CDTRiver Flood WarningLSXJefferson, Saint Louis67 hr
Apr 20, 8:57 PM CDTRiver Flood WarningLSXJefferson, Saint Louis4 days
Apr 21, 3:47 AM CDTRiver Flood WarningLSXMarion6 hr
Apr 21, 7:23 AM CDTRiver Flood WarningLSXLewis23 hr
Apr 21, 7:23 AM CDTRiver Flood WarningLSXLewis61 hr
Apr 21, 11:19 AM CDTRiver Flood WarningLSXJefferson, Saint Louis4 days

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.