611
NOUS43 KDVN 252345 CCA
PNSDVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-261100-

Public Information Statement...CORRECTED
National Weather Service Quad Cities IA/IL
645 PM CDT Sat May 25 2024

...NWS Damage Survey for 05/24/2024 Tornado Event Update # 3...

...Corrected the width of Riverside-West Branch Tornado...

.Update...Another two tornadoes have been surveyed today.  This EF1 occurred
in near Delta in Keokuk County Iowa, and a fairly long track EF1 tornado
occurred from Washington County through southeast Johnson Co, to Cedar County
Iowa.

.Overview...A fast moving derecho brought both damaging winds and tornadoes
to Iowa and Illinois during the morning hours Friday May 24th, 2024.


...Delta IA Tornado...

Rating:                 EF1
Estimated Peak Wind:    110 mph
Path Length /statute/:  1.59 miles
Path Width /maximum/:   70 yards
Fatalities:             0
Injuries:               0

Start Date:             05/24/2024
Start Time:             05:56 AM CDT
Start Location:         2 W Delta / Keokuk County / IA
Start Lat/Lon:          41.3317 / -92.3778

End Date:               05/24/2024
End Time:               05:58 AM CDT
End Location:           2 NW Delta / Keokuk County / IA
End Lat/Lon:            41.3479 / -92.356

Survey Summary:
An NWS survey team found damage consistent with an EF-1 tornado,
just northwest of Delta, Iowa, in Keokuk County early Friday
morning. The brief tornado had estimated winds around 110 mph,
and caused significant damage to trees and outbuildings. There
were no injuries. Thanks to Keokuk County emergency management
for assistance in completing the survey.

...Riverside IA Tornado...

Rating:                 EF1
Estimated Peak Wind:    100 mph
Path Length /statute/:  18.09 miles
Path Width /maximum/:   100 yards
Fatalities:             0
Injuries:               0

Start Date:             05/24/2024
Start Time:             06:50 AM CDT
Start Location:         2 ENE Riverside / Washington County / IA
Start Lat/Lon:          41.4862 / -91.5406

End Date:               05/25/2024
End Time:               07:14 AM CDT
End Location:           2 WNW Springdale / Cedar County / IA
End Lat/Lon:            41.6774 / -91.3038

Survey Summary:
A tornado developed just east of Riverside in Washington County,
and moved rapidly northeast, following an intermittent path
through southeast Johnson County, to near West Branch in Cedar
County. The tornado caused tree and outbuilding damage, and was
rated EF-1 with maximum winds around 100 mph. Thanks to emergency
management for assistance with the survey.

&&

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.


$$