Union Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Areal Flood Warning
Issued: 4:39 PM CDT Jun. 22, 2018 – National Weather Service

... A Flood Warning for small streams remains in effect until 430 am
CDT Saturday for central Union County...

At 433 PM CDT, Brule creek continue to be in major flooding. At 400
PM CDT the stage near Richland was 1126.26 feet. At stages near
1122 feet... 478th Avenue floods.

Small stream and lowland flooding will continue over central Union
County through Saturday morning.

Precautionary/preparedness actions...

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


Lat... Lon 4271 9663 4274 9668 4280 9672 4282 9669
      4275 9664 4272 9662 4270 9662


Chapman



431 PM CDT Fri Jun 22 2018

The Flood Warning continues for
the Big Sioux River at Akron.
* Until further notice.
* At 4 PM Friday the stage was 20.10 feet.
* Major flooding is occurring and major flooding is forecast.
* Flood stage is 16.00 feet.
* Forecast... the river will continue rising to near 23.7 feet by
Sunday morning June 24.
* At stages near 23.2 feet... levee gates at Riverside in Sioux City
will be closed.


Lat... Lon 4291 9658 4291 9649 4281 9654 4277 9659
          4278 9665


Location flood latest observed maximum forecast
         stage stage time stage time


431 PM CDT Fri Jun 22 2018

The Flood Warning continues for
the Big Sioux River above Hawarden.
* Until Wednesday evening.
* At 3 PM Friday the stage was 33.30 feet.
* Major flooding is occurring and major flooding is forecast.
* Flood stage is 20.50 feet.
* Forecast... the river will rise to 34.3 feet by early Saturday
morning June 23.





236 PM CDT Fri Jun 22 2018

... Flood Warning extended until Thursday June 28...
the Flood Warning continues for
the Big Sioux River at Sioux City.
* From Sunday morning to late Wednesday night.
* At 12pm Friday the stage was 20.56 feet.
* Minor flooding is forecast.
* Flood stage is 32.00 feet.
* Forecast... the river will reach flood stage on Sunday June 24,
and rise to a crest near 34.9 feet on Monday June 25.
* At stages near 32 feet, agricultural land north of the leveed
areas begins to flood.


Lat... Lon 4257 9651 4257 9647 4256 9647 4251 9647
          4250 9646 4250 9644 4248 9645 4249 9650
          4253 9652




603 am CDT Fri Jun 22 2018

The Flood Warning continues for
the Big Sioux River near Richland.
* Until further notice.
* At 05am Friday the stage was 1117.52 feet.
* Flood stage is 1117.00 feet.
* Recent activity... the river rose above flood stage on Thursday June
21.
* At stages near 1117 feet... Lower Pasture lands begin to flood, and
the millsite access is flooded.


Lat... Lon 4278 9665 4277 9659 4273 9660 4268 9655
          4264 9661 4270 9666




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