Issued by NWS North Central River Forecast Center
AGUS73 KMSR 301620
Hydrometeorological Forecast Discussion
NWS North Central River Forecast Center Twin Cities/Chanhassen MN
1120 AM CDT Thu Mar 30 2017
Heavy rain from yesterday morning and overnight extended across
central to eastern Iowa, northern to east central Missouri, and
to central and northern Illinois. Numerous totals in these areas
were in the one to two inch range with scattered reports between
two and three inches. Ahead of this area rainfall amounts
averaged around a half to one inch across northern Iowa and
southern Minnesota to southern Wisconsin, and in southern lower
Michigan to northern Indiana.
In the forecast... The heavier rainfall associated with this
system will shift eastward today. Rainfall totals today through
tomorrow morning should average around an inch in central to
northern Illinois and central lower Michigan. Around a half inch
of rain is forecast across northern lower Michigan, over the
southeat half of Wisconsin to eastern Iowa, and northeast Missouri
to southern Illinois and northern Indiana.
On Friday another quarter to half inch is expected in lower
Michigan as this system moves out of our region. Then another
weaker front moving across North Dakota into northwest Minnesota
will bring around a quarter to half inch of precipitation.
The rain described above has resulted in significant response in
many creeks and rivers across IA/MO/IL/WI/MI/IN. Across the NCRFC
area, we went from a couple dozen forecasts of rises above FIS
yesterday, to over 80 today. About 15 locations are forecast to
reach flood stage, mainly over Illinois and Indiana.
In North Dakota, the melt and runoff continues, with over a
dozen locations expected to experience varying degrees of
flooding. In the Souris basin, minor to moderate flooding is
forecast, while flooding reaching the major category looks to
impact the Park River near Grafton, ND and the Pembina River near
Neche, ND. The Snake and Two Rivers basins will experience minor
flooding, and the Red River of the North should see some minor
flooding downstream from Grand Forks, from Oslo and Drayton to
the Canadian border.
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
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