Hutchinson Severe Watches & Warnings NOAA Weather Radio

... A Flood Warning remains in effect until 1230 am CDT Saturday for
southwestern Lyon... Sioux... Clay... O'Brien... northern Clay... 
Lincoln... Yankton... Turner... northern Union and Hutchinson
counties... 

At 1113 am CDT, local law enforcement reported flooding across the 
warned area. Many rural and County roads as well as a few state 
highways remain under water. 

Some locations that will experience flooding include... 
Yankton, Spencer in Clay County, Sioux Center, Orange City, Sheldon,
Canton, Hawarden, Beresford, Parker, Harrisburg, Tea, Rock Valley,
Hull, Lennox, Hartley, Sanborn, Freeman, Alton, Paullina and
Primghar.

Precautionary/preparedness actions... 

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

Stay away or be swept away. River banks and culverts can become
unstable and unsafe.


Lat... Lon 4292 9495 4291 9764 4317 9764 4317 9787
      4350 9787 4347 9680 4325 9585 4322 9494
      4312 9492


Weisser



1106 am CDT Fri Sep 21 2018

The Flood Warning continues for
  the James River near Scotland.
* Until Tuesday afternoon.
* At 10am Friday the stage was 14.88 feet.
* Moderate flooding is occurring and moderate flooding is forecast.
* Flood stage is 13.00 feet.
* Forecast... the river will rise to 15.7 feet by Saturday September 
  22.
* At stages near 15.5 feet... 431st Avenue is flooded where it crosses
  the river in northwestern Yankton County. 

 
Lat... Lon 4338 9777 4340 9763 4321 9755 4308 9736
          4308 9750 4317 9769

... NWS damage survey for Superior Iowa tornado - update 1... .

.Tornado number 1 near Superior Iowa... 

Rating:                 EF-1
estimated peak wind:    99 mph
path length:  estimated at 1 mile
path width:   25 yards
fatalities:             0
injuries:                0

Start date:             September 20 2018
start time:              5:22 PM CDT
start location:       west of Superior, Iowa

End date:               September 20 2018
end time:               5:24 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 with photos and aerial photo
 assistance.  

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. 



237 PM CDT Fri Sep 21 2018


... NWS damage survey for Superior Iowa tornado - update 1... .

.Tornado number 1 near Superior Iowa... 

Rating:                 EF-1
estimated peak wind:    99 mph
path length:  estimated at 1 mile
path width:   25 yards
fatalities:             0
injuries:                0

Start date:             September 20 2018
start time:              5:22 PM CDT
start location:       west of Superior, Iowa

End date:               September 20 2018
end time:               5:24 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 with photos and aerial photo
 assistance.  

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.