National Weather Service Raw Text Product

Displaying AFOS PIL: PNSFSD Received: 2018-09-24 18:34 UTC


702 
NOUS43 KFSD 241834
PNSFSD
IAZ003-250645-

Public Information Statement
National Weather Service Sioux Falls SD
134 PM CDT Mon Sep 24 2018

...NWS DAMAGE SURVEY FOR SUPERIOR IOWA TORNADO - UPDATE 2...

.TORNADO NUMBER 1 NEAR SUPERIOR IOWA...

Rating:                 EF-1
Estimated peak wind:    99 mph
Path length:            Estimated at 3.9 miles
Path width:             25 yards
Fatalities:             0
Injuries:               0

Start date:             September 20, 2018
Start time:             5:21 PM CDT
Start location:         West of Superior, Iowa

End date:               September 20, 2018
End time:               5:26 PM CDT
End location:           East of Superior, Iowa

Survey Summary: Observational equipment near Superior Ethanol directly
measured 99 mph as tornado moved through. Assistance was provided by
the Dickinson County Emergency Management office through ground level and 
aerial photos. The tornado path has been updated to include additional 
crop damage west and east of Superior that was visible on high resolution 
satellite imagery. 

EF Scale: The Enhanced Fujita Scale Classifies
Tornadoes into the following categories.

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

$$

Rogers