Rock Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Flood Warning
Issued: 9:15 AM CDT Sep. 20, 2018 – National Weather Service

The National Weather Service in Sioux Falls has issued a

* Flood Warning for
the Split Rock creek below Jasper.
* Until further notice.
* At 08am Thursday the stage was 91.11 feet.
* Flood stage is 91.00 feet.
* At stages near 91.0 feet... the lower banks on this stretch of the
creek are overtopped. The low water crossing on 250th street at the
MN/SD state line is flooded.


Lat... Lon 4390 9639 4384 9637 4377 9642 4372 9648
          4372 9654 4381 9649


Location flood latest observed maximum forecast recent observed
         stage stage time stage time crest time

Floyd river
stui4 14.0 14.16 Thu 7 am 15.9 Thu 1 PM
lmri4 20.0 15.56 Thu 7 am 22.0 Fri 7 PM

Big Sioux River
ders2 12.0 5.99 Thu 8 am 14.4 Fri 1 PM
sxfs2 16.0 12.45 Thu 8 am 19.5 Fri 1 PM

Ocheyedan river
orei4 1364.0 1364.01 Thu 8 am 1364.0 Thu Sep 20

Little Sioux river
spwi4 10.0 11.47 Thu 7 am 14.4 Thu 7 PM
cwci4 90.0 90.46 Thu 8 am 90.5 Thu Sep 20
lnni4 18.0 18.09 Thu 8 am 21.9 sun 1 am
chki4 17.0 14.36 Thu 7 am 21.3 Fri 1 PM
crri4 19.0 9.00 Thu 8 am 19.9 sun 1 PM

Rock River
luvm5 10.0 4.61 Thu 7 am 10.2 Fri 1 am

Split Rock creek


915 am CDT Thu Sep 20 2018

The National Weather Service in Sioux Falls has issued a

* Flood Warning for
the Rock River at Luverne.
* From this evening to Saturday morning.
* At 07am Thursday the stage was 4.61 feet.
* Minor flooding is forecast.
* Flood stage is 10.00 feet.
* Forecast... the river will crest near 10.2 feet by 1 am Friday.
* At stages near 10.0 feet... significant agricultural flooding
begins.


Lat... Lon 4371 9622 4370 9611 4360 9616 4350 9614
          4350 9625 4363 9625




Flash Flood Watch
Issued: 6:31 AM CDT Sep. 20, 2018 – National Weather Service

... Flash Flood Watch remains in effect until 1 PM CDT this
afternoon...

The Flash Flood Watch continues for

* portions of northwest Iowa, southwest Minnesota, and South
Dakota, including the following areas, in northwest Iowa,
Buena Vista, Cherokee, Clay IA, Dickinson, Lyon IA, O'Brien,
Osceola, Plymouth, and Sioux. In southwest Minnesota,
Cottonwood, Jackson, Lincoln MN, Lyon MN, Murray, Nobles,
Pipestone, and rock. In South Dakota, Bon Homme, Brookings,
Charles Mix, Clay SD, Davison, Douglas, Hanson, Hutchinson,
Lake, Lincoln SD, McCook, Miner, Minnehaha, Moody, Turner,
Union, and Yankton.

* Until 1 PM CDT this afternoon

* showers and a few thunderstorms will continue this morning. The
general rainfall will be trending downward. However there will
still be isolated to scattered pockets of heavy rain under the
heavier cells which will produce thunderstorms. Therefore
isolated areas could receive a quick one inch of rain in a brief
amount of time, on top of already saturated ground.

* Reports of County and township roads, and even some state
highways underwater are coming in for locations south of
Interstate 90. Heavy rains can lead to flash flooding, with
water covered roads and urban flooding possible.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.





Flash Flood Watch
Issued: 6:31 AM CDT Sep. 20, 2018 – National Weather Service

... Flash Flood Watch remains in effect until 1 PM CDT this
afternoon...

The Flash Flood Watch continues for

* portions of northwest Iowa, southwest Minnesota, and South
Dakota, including the following areas, in northwest Iowa,
Buena Vista, Cherokee, Clay IA, Dickinson, Lyon IA, O'Brien,
Osceola, Plymouth, and Sioux. In southwest Minnesota,
Cottonwood, Jackson, Lincoln MN, Lyon MN, Murray, Nobles,
Pipestone, and rock. In South Dakota, Bon Homme, Brookings,
Charles Mix, Clay SD, Davison, Douglas, Hanson, Hutchinson,
Lake, Lincoln SD, McCook, Miner, Minnehaha, Moody, Turner,
Union, and Yankton.

* Until 1 PM CDT this afternoon

* showers and a few thunderstorms will continue this morning. The
general rainfall will be trending downward. However there will
still be isolated to scattered pockets of heavy rain under the
heavier cells which will produce thunderstorms. Therefore
isolated areas could receive a quick one inch of rain in a brief
amount of time, on top of already saturated ground.

* Reports of County and township roads, and even some state
highways underwater are coming in for locations south of
Interstate 90. Heavy rains can lead to flash flooding, with
water covered roads and urban flooding possible.

Precautionary/preparedness actions...

A Flash Flood Watch means that conditions may develop that lead
to flash flooding. Flash flooding is a very dangerous situation.

You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.





Local Radar

Click to Enlarge

Nearby Radar Stations