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Hydrometeorological Discussion
Issued by NWS North Central River Forecast Center
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HMDMSR

Hydrometeorological Forecast Discussion
NWS North Central River Forecast Center Twin Cities/Chanhassen MN
1233 PM CDT Fri Sep 22 2017

...Precipitation...
During the last 24 hours, thunderstorms fell over central and
northeast Minnesota, far northwest Minnesota, southeast Iowa,
and southern lower Michigan. Light rain moved into northwest North
Dakota Thursday morning and then dissipated. Local amounts in the
thunderstorm areas ranged between one and two inches.  DeWitt, MI
reported the most rain with 2.87 inches.

During the next 24 hours...rain is forecast along and behind a
slow moving cold front...or to the right of a line from Escanaba,
MI to the Twin Cities, MN to Sioux Falls, SD.  The heaviest
rain...between half and one inch...is forecast over northeast and
northern Minnesota. Heavier rain is expected along this nearly
stationary frontal system from Saturday through Monday morning.
The front will begin to push slowly eastward on Monday.

...Hydrologic Conditions...
There are currently no active forecast points in the NCRFC service
area.

However, we could see some river rises to bankfull and minor flood
levels by Monday in North Dakota and Minnesota with the nearly
stationary front, lots of available moisture, and recently primed
soils from heavy rains over the past few days.  If the expected
rainfall intensity is greater than anticipated, and continues over
the same areas, then we could possibly see some points rise above
moderate and major flood levels.

Please see our 5-day Significant Flood Outlook at weather.gov/ncrfc,
click on River Observations and Forecasts, then 5-day Significant
Flood Outlook.  We will continue to monitor the situation and
adjust staffing levels as needed.

The general hydrologic situation remains quiet elsewhere across
the NCRFC area,

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: BAC WES JDT

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

$$

...lne/wes...
National Weather Service National Headquarters
