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Public Information Statement
National Weather Service St Louis MO
710 PM CDT Mon May 27 2024

...NWS Damage Survey for 05/26/24 Tornado Event...

During the afternoon and early evening of May 26, 2024, five tornadoes
touched down in the St. Louis metropolitan area and southwest Illinois.
One tornado that impacted the southern St. Louis metropolitan area formed
from a discrete supercell, while the other four tornadoes were associated
with a QLCS that developed almost an hour later. Below is a summary of
each tornado that was surveyed by NWS St. Louis teams.

.Oakville Tornado...

Rating:                 EF1
Estimated Peak Wind:    97 mph
Path Length /statute/:  8.81 miles
Path Width /maximum/:   172 yards
Fatalities:             0
Injuries:               0

Start Date:             05/26/2024
Start Time:             05:48 PM CDT
Start Location:         3 WSW Mehlville / St. Louis County / MO
Start Lat/Lon:          38.485 / -90.3757

End Date:               05/26/2024
End Time:               06:02 PM CDT
End Location:           Columbia / Monroe County / IL
End Lat/Lon:            38.4585 / -90.2177

Survey Summary:
A weak tornado tracked through Oakville and crossed the
Mississippi River uprooting trees and snapping large tree
branches as well as damaging a carport and shed, until it lifted
just west of Columbia.

.New Baden Tornado...

Rating:                 EF1
Estimated Peak Wind:    90 mph
Path Length /statute/:  10.50 miles
Path Width /maximum/:   500 yards
Fatalities:             0
Injuries:               0

Start Date:             05/26/2024
Start Time:             06:34 PM CDT
Start Location:         3 S Summerfield / St. Clair County / IL
Start Lat/Lon:          38.551 / -89.752

End Date:               05/26/2024
End Time:               06:44 PM CDT
End Location:           3 ESE Damiansville / Clinton County / IL
End Lat/Lon:            38.4951 / -89.5733

Survey Summary:
A weak tornado tracked immediately southwest of New Baden and
through Damiansville occasionally snapping large tree branches,
removing a large portion of a commercial garage roof, and causing
minor roof damage before lifting to the southeast of
Damiansville.

.Carlyle Lake Tornado...

Rating:                 EF1
Estimated Peak Wind:    97 mph
Path Length /statute/:  11.32 miles
Path Width /maximum/:   325 yards
Fatalities:             0
Injuries:               0

Start Date:             05/26/2024
Start Time:             06:50 PM CDT
Start Location:         2 SSW Stolletown / Clinton County / IL
Start Lat/Lon:          38.6649 / -89.4605

End Date:               05/26/2024
End Time:               07:01 PM CDT
End Location:           3 SSW Boulder / Clinton County / IL
End Lat/Lon:            38.659 / -89.2529

Survey Summary:
A tornado touched down north of Carlyle and tracked eastward
significantly damaging a garage and shed, removing portions of a
roof on a home, and breaking large branches off of trees. The
damage survey was not completed on the east side of Carlyle Lake
where there was a report of power lines down, multiple trees
down, and at least partial remove of a house`s roof. The current
track and rating is preliminary based on inclusion of this
report.

.Forbes Lake Tornado...

Rating:                 EF1
Estimated Peak Wind:    104 mph
Path Length /statute/:  1.12 miles
Path Width /maximum/:   0 yards
Fatalities:             0
Injuries:               0

Start Date:             05/26/2024
Start Time:             07:28 PM CDT
Start Location:         1 W Stephen Forbes Station / Marion
County / IL
Start Lat/Lon:          38.7288 / -88.7881

End Date:               05/26/2024
End Time:               07:30 PM CDT
End Location:           Stephen Forbes Station / Marion County /
IL
End Lat/Lon:            38.7318 / -88.768

Survey Summary:
A brief, weak tornado touched down just west of Forbes Lake,
uprooting and snapping several trees.

.Forbes Lake Tornado 2...

Rating:                 EF1
Estimated Peak Wind:    90 mph
Path Length /statute/:  4.66 miles
Path Width /maximum/:   500 yards
Fatalities:             0
Injuries:               0

Start Date:             05/26/2024
Start Time:             07:29 PM CDT
Start Location:         Omega / Marion County / IL
Start Lat/Lon:          38.708 / -88.7808

End Date:               05/26/2024
End Time:               07:35 PM CDT
End Location:           4 ESE Stephen Forbes Station / Marion
County / IL
End Lat/Lon:            38.6963 / -88.6977

Survey Summary:
A tornado touched down and tracked eastward south of Forbes Lake
primarily uprooting and snapping trees along its path. This
tornado continued into Clay County, strengthening to EF-
2 intensity as it left the St. Louis, MO WFO.

&&

EF Scale: The Enhanced Fujita Scale classifies tornadoes into the
following categories:

EF0.....65 to 85 mph
EF1.....86 to 110 mph
EF2.....111 to 135 mph
EF3.....136 to 165 mph
EF4.....166 to 200 mph
EF5.....>200 mph

NOTE:
The information in this statement is preliminary and subject to
change pending final review of the events and publication in
NWS Storm Data.


$$

MRB