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
1149 AM CST Sun Jan 22 2017

...Precipitation...

During the past 24 hours up to a half inch of rain fell in a band
from southeastern MN across western Wisconsin, the western Upper
Peninsula of Michigan, and across Lake Superior into Ontario.  Up
to 3/4" fell just outside the NCRFC service area in central and
west central Missouri and central Indiana.

During the next 24 hours up to 3/4" of rain are forecast over the
Meramec River Basin in east central MO.  Monday and Monday night
will bring up to a quarter inch of precipitation over Upper and
Lower Michigan.  That precipitation should start as rain and turn
over to snow.

Higher than normal temperatures are expected across the North
Central U.S. through mid-week when temperatures will fall below
freezing over much of the NCRFC service area for awhile.

...Hydrologic Conditions...

Major flooding had been occurring on the Mississippi River near
Burlington, Iowa due to an ice jam however the jam released and
a surge of water is moving downstream pusing several locks and
dams to open river and or flood levels. The Mississippi River
at Burlington has dropped below flood stage.

Moderate ice jam flooding has now dropped to minor flooding
on the Iowa River near Marengo Iowa.

Heavy rainfall over a week ago, ice jams and ongoing
snowmelt has caused the Rock River near Moline, Illinois
to rise above major flood levels but has now
jumped to moderate flooding.

The situation mentioned above has also effected much of the NCRFC
area except the more northern areas and consequently minor flooding
will continue to be widespread for some time as snowmelt continues
for the foreseeable future.

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: LLD..SAS..BAC

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


$$

...bac/sas...





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