EF1 tornado, Martinsburg, Missouri, March 14, 2025

1. EF065 to 85 mph

   Light damage. Surface peeled off some roofs, gutters and siding damaged, branches broken, shallow-rooted trees pushed over.

2. EF186 to 110 mphthis tornado

   Moderate damage. Roofs badly stripped, mobile homes overturned or badly damaged, exterior doors lost, windows broken.

3. EF2111 to 135 mph

   Considerable damage. Roofs torn off well-built houses, frame homes shifted on their foundations, mobile homes destroyed, large trees snapped or uprooted, cars lifted off the ground.

4. EF3136 to 165 mph

   Severe damage. Whole stories of well-built houses destroyed, large buildings badly damaged, trains overturned, trees debarked, heavy cars lifted and thrown.

5. EF4166 to 200 mph

   Devastating damage. Well-built houses leveled, structures with weak foundations moved some distance, cars thrown and large missiles generated.

6. EF5over 200 mph

   Incredible damage. Strong frame houses swept off their foundations, car-sized missiles thrown more than 100 meters, steel-reinforced concrete badly damaged, high-rise buildings deformed.

7. Unrated

   The survey recorded a tornado but could not put a number on it, most often because it crossed open country and damaged nothing a rating can be read from.

Rating

EF1

Date

March 14, 2025

Touchdown

10:48 PM CDT (03:48 UTC)

Lifted

10:57 PM CDT (03:57 UTC)

On the ground

9 minutes

Path length

6.8 miles (10.9 km)

Path width

770 yards (704 m)

Deaths

0

Injuries

0

Property damage

$50,000

County

Audrain County

Touchdown point

37.341, -90.549

Lift-off point

37.395, -90.447

Record number

2503142148-01

90 damage points were recorded along this path by NWS LSX and NWS PAH, in the Damage Assessment Toolkit the survey teams carry. The strongest indicator was rated EF3. The highest wind the damage implies is 155 mph.

• Newer building with basement but no anchor bolts, exterior walls toenailed to floor, brick facade.
• Hundreds and hundreds of our rooted or pine trees and also other hardwood trees in this location
• Home appeared to have been elevated on cinderblocks
• House has basement may be anchoring

Survey points are preliminary and are the raw material the published rating was built from. Source: NWS Damage Assessment Toolkit.

During the late afternoon of March 14, 2025, numerous severe thunderstorms developed across central Missouri and tracked east. After sunset, these thunderstorms began producing tornadoes, some strong, causing several injuries in the St. Louis county warning area (CWA). In total, 13 tornadoes touched down in the CWA, making it one of the most active outbreaks on record for the St. Louis CWA. Seven of these tornadoes occurred at least partially in St. Louis's Missouri counties.

In Madison County, the tornado mostly caused tree damage. The only structural damage was to a residence and an outbuilding on Highway C. From there, the tornado continued northeast before dissipating between the St. Francois River and Madison 418 at approximately 10:57 PM. In Madison County the tornado was rated EF-1 with a path length of 6.75 miles and a maximum path width of 770 yards.

From NOAA NCEI's Storm Events Database, the narrative the local forecast office wrote for Storm Data.

8 minutes of warning. NWS LSX issued a tornado warning for this county at 03:40 UTC, 8 minutes before the tornado touched down, in force until 03:54 UTC.

The county was under a tornado watch, issued at 21:06 UTC and running to 04:00 UTC.

Every warning and watch covering the touchdown point that day, from the Iowa Environmental Mesonet's archive of National Weather Service products. Lead time is measured from the issue of the warning in force to the touchdown time in the database, both of which were recorded to the minute by different people.

The Storm Prediction Center had this point in a Moderate Risk, with a 0.15 chance of a tornado within 25 miles, in the hatched area where significant tornadoes were expected. The outlook in force was issued at 01:01 UTC.

SPC's Day 1 convective outlook as it stood when the tornado began, read at the touchdown point. The same archive is on the radar archive.

The radiosonde launches on either side of the tornado, from the nearest station that was launching then, drawn and analyzed the way Storm Lab does: the same diagram, the same parcel and shear definitions SPC's mesoanalysis uses.

The St Louis radar (KLSX), 149 km away, was scanning. The volume nearest the touchdown began at 03:50 UTC.

Open the radar archive at this moment, over the track

Reflectivity and velocity, decoded from the Level II archive in the browser. Volumes take a few seconds to open the first time.

Local storm reports within 60 km of the path, in the three hours either side.

From the Iowa Environmental Mesonet's archive of National Weather Service local storm reports.

The live radar over the trackEvery 2025 tornado in MissouriEvery tornado in Missouri since 1950Warnings in force in Missouri nowThe forecast where you are

53 more were confirmed in the United States that day.

Ratings are the survey's, read off the damage rather than measured; the rating scale is above. Tornado counts rise through the record as reporting improved, so a year in the 1950s is not comparable with one today except for the strongest tornadoes, which were always noticed.

NOAA Storm Prediction Center tornado database, 1950-2025, the official record kept by NOAA's Storm Prediction Center.