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Public Information Statement
National Weather Service Des Moines IA
1139 AM CDT Fri May 24 2024


...NWS Damage Survey for May 24, 2024 Tornado Event...

An NWS damage survey in and around the City of Johnston has been
completed, identifying damage consistent with an EF0 tornado.  More
details below.  Additional analysis of radar and damage information
continues from this morning`s storms.

.Johnston Tornado...

Rating:                 EF0
Estimated Peak Wind:    85 mph
Path Length /statute/:  3.20 miles
Path Width /maximum/:   150 yards
Fatalities:             0
Injuries:               0

Start Date:             05/24/2024
Start Time:             04:53 AM CDT
Start Location:         2 S Johnston / Polk County / IA
Start Lat/Lon:          41.6607 / -93.7062

End Date:               05/24/2024
End Time:               04:57 AM CDT
End Location:           2 ENE Johnston / Polk County / IA
End Lat/Lon:            41.6952 / -93.6649

Survey Summary:
A fairly concentrated area of primarily tree and power line damage occurred
in and near the City of Johnston.  The damage appeared to begin near Terra Park
with an approximately 3 mile path extending northeastward towards Beaver Drive.
Tree and power line damage was consistent with winds speeds of 75 to 85 mph,
or EF0 damage.

&&

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 event and publication in
NWS Storm Data.


$$