Hydrometeorological Discussion
Issued by NWS North Central River Forecast Center

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Hydrometeorological Forecast Discussion
NWS North Central River Forecast Center Twin Cities/Chanhassen MN
1137 AM CDT Sun Aug 28 2016

...Precipitation...

Showers and thunderstorms brought widespread rain to the NCRFC
Region during the past 24 hours.  Precipitation reports ranged from
a few hundredths to well over 3 inches.  The heaviest rain fell in
Michigan where most observations were around an inch... especially
across southern lower Michigan.  Western Minnesota saw isolated
reports between two and almost four inches.

Showers and thunderstorms will continue to bring rain to most of
the region through the middle of the week.  The heaviest rain will
fall today through Monday... especially across Minnesota where a
half to over an inch and a half could fall across the center
portion of the state today.

On Monday, the intensity of the rain should diminish, but the
arrowhead of Minnesota... northern Wisconsin and the Upper
Peninsula of Michigan could receive up to another inch.

...Hydrologic Conditions...

About a dozen forecast points in the NCRFC area are at or forecast
to go above flood stage.  These minor flood locations are in Iowa,
northern Indiana, and Illinois.

Over 30 forecast locations are considered active at this time,
yet below flood stage.  These locations are located in Iowa,
northern Indiana, Minnesota, Wisconsin, Illinois, Michigan,
and Missouri.

The Mississippi River is cresting near Lock and Dam 11, in the
Quad Cities area.  Flows on the Mississippi are expected to rise
to bankfull levels downstream to Lock and Dam 25, which is
upstream of the confluence with the Missouri River.

A large portion of the NCRFC area has very wet soil
conditions for this time of year.  The high soil moisture is
also demonstrated by the USGS Daily Streamflow Conditions map
which shows flows at river gages in these areas generally at the
76th percentile or higher.

The U.S. Drought Monitor shows only isolated areas in the NCRFC
region with abnormally dry intensity.  These dry areas are the
far northern portion of the lower peninsula of Michigan, the far
southeastern corner of Wisconsin and south central Iowa.  The
majority of the NCRFC area is not impacted by any drought
signatures.

For additional and more in-depth information concerning river
forecasts, precipitation and all hydrometeorological information
in the NCRFC area of responsibility, please refer to the NCRFC
web page at:     http://www.weather.gov/ncrfc

Emergency Call Back List: SAS ... WES ... ALH ... RJW

If no response from this list, call the DOH or SCH.


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