Alert archive / Missouri / Tornado Warnings in 2025
Tornado Warning 64, NWS St. Louis, MO
NWS St. Louis, MO issued this tornado warning at May 16, 2025, 2:55 PM CDT for Iron County, Madison County, Missouri. It was in force for 50 min. 1 report 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, 2025, 2:55 PM CDT (19:55 UTC)
- Expired
- May 16, 2025, 3:45 PM CDT
- In force
- 50 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
The radar
The Paducah radar (KPAH), 149 km from the middle of the area, began a volume at 19:54 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 16, 2:55 PM CDT | TORNADO | 1 N Des Arc, MO | Missouri State Highway Patrol reported a tornado on the ground near Annapolis. Damage unknown at the time of report. Time of event estimated by radar. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 16, 11:58 AM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 7.9 hours before the alert went out and 284 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.
- Mixed-layer CAPE
- 2582 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 189 m²/s²
- 0-3 km storm-relative helicity
- 329 m²/s²
- Significant tornado parameter
- 4.2
- Supercell composite
- 17.2
The text
As transmitted.
510
WFUS53 KLSX 161955
TORLSX
MOC093-123-162045-
/O.NEW.KLSX.TO.W.0064.250516T1955Z-250516T2045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service St Louis MO
255 PM CDT Fri May 16 2025
The National Weather Service in St Louis has issued a
* Tornado Warning for...
Southeastern Iron County in southeastern Missouri...
Madison County in southeastern Missouri...
* Until 345 PM CDT.
* At 255 PM CDT, a severe thunderstorm capable of producing a
tornado was located near Annapolis, or 18 miles south of Ironton,
moving east at 40 mph.
HAZARD...Tornado and quarter size hail.
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...
Marquand, Saco, Buckhorn, Des Arc and Vulcan.
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 3727 9067 3745 9069 3755 9014 3749 9014
3731 9015 3732 9024 3731 9035 3732 9055
3727 9055
TIME...MOT...LOC 1955Z 258DEG 35KT 3734 9064
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Maples4 follow-up statements
922
WWUS53 KLSX 162004
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
304 PM CDT Fri May 16 2025
MOC093-123-162045-
/O.CON.KLSX.TO.W.0064.000000T0000Z-250516T2045Z/
Iron MO-Madison MO-
304 PM CDT Fri May 16 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
SOUTHEASTERN IRON AND SOUTHERN MADISON COUNTIES IN SOUTHEASTERN
MISSOURI...
At 304 PM CDT, A confirmed tornado was located near Saco, or 18
miles south of Ironton, moving east at 40 mph.
HAZARD...Damaging tornado and quarter size hail.
SOURCE...Law enforcement confirmed tornado south of Annapolis.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows and vehicles will occur. Tree
damage is likely.
Locations impacted include...
Marquand, Saco and Buckhorn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from windows. If you are outdoors, in a mobile home,
or in a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3727 9062 3746 9060 3755 9014 3749 9014
3739 9015 3731 9015 3731 9018 3732 9024
3732 9028 3731 9035 3732 9047 3732 9055
3727 9055
TIME...MOT...LOC 1955Z 258DEG 35KT 3734 9064
TORNADO...OBSERVED
MAX HAIL SIZE...1.00 IN
$$
Maples201
WWUS53 KLSX 162011
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
311 PM CDT Fri May 16 2025
MOC093-162021-
/O.CAN.KLSX.TO.W.0064.000000T0000Z-250516T2045Z/
Iron MO-
311 PM CDT Fri May 16 2025
...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN IRON COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 700 PM CDT for a portion of
southeast Missouri.
&&
LAT...LON 3747 9055 3755 9014 3745 9014 3739 9015
3731 9015 3731 9020 3732 9024 3732 9031
3731 9035 3732 9042 3732 9055
TIME...MOT...LOC 2004Z 258DEG 35KT 3736 9053
$$
MOC123-162045-
/O.CON.KLSX.TO.W.0064.000000T0000Z-250516T2045Z/
Madison MO-
311 PM CDT Fri May 16 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR SOUTHERN
MADISON COUNTY IN SOUTHEASTERN MISSOURI...
At 311 PM CDT, A severe thunderstorm capable of producing a tornado
was located over Saco, or 18 miles southwest of Fredericktown,
moving east at 40 mph. This storm has a history of producing
tornadoes.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows and vehicles will occur. Tree
damage is likely.
Locations impacted include...
Marquand, Buckhorn and Saco.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from windows. If you are outdoors, in a mobile home,
or in a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 3747 9055 3755 9014 3745 9014 3739 9015
3731 9015 3731 9020 3732 9024 3732 9031
3731 9035 3732 9042 3732 9055
TIME...MOT...LOC 2004Z 262DEG 33KT 3734 9054
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Maples363
WWUS53 KLSX 162023
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
323 PM CDT Fri May 16 2025
MOC123-162045-
/O.CON.KLSX.TO.W.0064.000000T0000Z-250516T2045Z/
Madison MO-
323 PM CDT Fri May 16 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM CDT FOR
SOUTHEASTERN MADISON COUNTY IN SOUTHEASTERN MISSOURI...
At 323 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Buckhorn, or 14 miles south of Fredericktown,
moving east at 40 mph.
HAZARD...Tornado and quarter size hail.
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...
Marquand and Buckhorn.
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 3743 9037 3755 9014 3742 9014 3739 9015
3731 9015 3732 9022 3732 9033 3731 9035
TIME...MOT...LOC 2011Z 262DEG 33KT 3735 9045
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
Maples177
WWUS53 KLSX 162040 RRA
SVSLSX
Severe Weather Statement
National Weather Service St Louis MO
340 PM CDT Fri May 16 2025
MOC123-162050-
/O.EXP.KLSX.TO.W.0064.000000T0000Z-250516T2045Z/
Madison MO-
340 PM CDT Fri May 16 2025
...TORNADO WARNING WILL EXPIRE AT 345 PM CDT FOR SOUTHEASTERN
MADISON COUNTY IN SOUTHEASTERN MISSOURI...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 700 PM CDT for a portion of
southeast Missouri.
&&
LAT...LON 3743 9037 3755 9014 3742 9014 3739 9015
3731 9015 3732 9022 3732 9033 3731 9035
TIME...MOT...LOC 2023Z 262DEG 33KT 3736 9031
$$
MaplesThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 1:17 PM CDT | Severe Thunderstorm Warning | LSX | Audrain, Callaway, Lincoln, Montgomery, Pike, Warren | 73 min |
| May 16, 1:23 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Gasconade, Lincoln, Saint Charles, Warren | 52 min |
| May 16, 1:35 PM CDT | Severe Thunderstorm Warning | LSX | Crawford, Franklin, Gasconade, Washington | 40 min |
| May 16, 1:48 PM CDT | Tornado Warning | LSX | Crawford, Washington | 34 min |
| May 16, 1:57 PM CDT | Severe Thunderstorm Warning | LSX | Franklin | 18 min |
| May 16, 2:02 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds | 43 min |
| May 16, 2:02 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis, City of Saint Louis | 43 min |
| May 16, 2:17 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Saint Charles, Warren | 28 min |
| May 16, 2:25 PM CDT | Tornado Warning | LSX | Iron, Reynolds | 35 min |
| May 16, 2:34 PM CDT | Tornado Warning | LSX | Saint Louis, City of Saint Louis | 41 min |
| May 16, 2:44 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 9 min |
| May 16, 2:58 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Madison, Reynolds | 37 min |
| May 16, 3:01 PM CDT | Tornado Warning | LSX | Crawford, Washington | 34 min |
| May 16, 3:45 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Sainte Genevieve, Saint Francois, Washington | 45 min |
| May 16, 4:14 PM CDT | Severe Thunderstorm Warning | LSX | Iron, Reynolds, Saint Francois, Washington | 46 min |
| May 16, 4:15 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve | 24 min |
| May 16, 4:47 PM CDT | Severe Thunderstorm Warning | LSX | Sainte Genevieve, Saint Francois | 43 min |
| May 16, 5:07 PM CDT | Severe Thunderstorm Warning | LSX | Reynolds | 23 min |
| May 16, 5:09 PM CDT | Tornado Warning | LSX | Sainte Genevieve | 9 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.