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Public Information Statement
National Weather Service Des Moines IA
358 PM CDT Thu May 23 2024


...NWS Damage Survey for 05/21/2024 Tornado Event Update #2...

.Update...

After completing damage assessments across Adams and Adair Counties,
including Greenfield, survey teams have identified damage consistent with
EF4 tornado damage, with peak wind speeds of 175-185 mph. EF4 damage was
located within the community of Greenfield and across rural portions of
southern Adair County. Additional analysis of data will occur through the
coming days and weeks, so further refinement of the tornado statistics
are possible.


.Greenfield Tornado...

Rating:                 EF4
Estimated Peak Wind:    175-185 mph
Path Length /statute/:  43.98 miles
Path Width /maximum/:   1000 yards
Fatalities:             5
Injuries:               35

Start Date:             05/21/2024
Start Time:             02:57 PM CDT
Start Location:         3 SSE Villisca / Page County / IA
Start Lat/Lon:          40.8866 / -94.9571

End Date:               05/21/2024
End Time:               03:43 PM CDT
End Location:           4 ENE Greenfield / Adair County / IA
End Lat/Lon:            41.337 / -94.3825


&&

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.


$$

TEAM DMX