Turner Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Areal Flood Warning
Issued: 11:14 AM CDT Sep. 21, 2018 – National Weather Service

... 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 Vermillion river near Davis.
* Until Tuesday afternoon.
* At 07am Friday the stage was 12.45 feet.
* Minor flooding is occurring and moderate flooding is forecast.
* Flood stage is 11.00 feet.
* Recent activity... the river rose above flood stage on Thursday
September 20.
* Forecast... the river will rise to 14.2 feet by Saturday September
22.
* At stages near 14.5 feet... the higher banks and levees get
overtopped, and flooding of some rural roads south of Davis begins.
Also 280th street between 459th and 460th Avenue is flooded.


Lat... Lon 4340 9710 4340 9704 4327 9696 4318 9689
          4310 9694 4310 9703




Public Information Statement
Issued: 2:37 PM CDT Sep. 21, 2018 – National Weather Service


... 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.



Local Radar

Click to Enlarge

Nearby Radar Stations