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HYDROMETEOROLOGICAL FORECAST DISCUSSION
NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN
1210 PM CDT THU OCT 29 2009
...Precipitation...
Rain fell across the western half of the NCRFC region during the
past 24 hours. Thunderstorms which developed across Kansas spread
into Missouri and Iowa overnight and dropped the heaviest rain of
an inch to inch and a half in central Iowa. Western Missouri
received a quarter to three quarters of an inch while the
remainder of the rain was generally less than a third of an inch.
Precipitation is forecast across all the region through Friday
morning. Amounts are expected to reach a quarter inch or more.
Heavier amounts...between an inch and two inches is forecast in
Missouri and Illinois. An inch or more should fall from central
Iowa...across western Minnesota and into the eastern Dakotas.
Across the west....in the Dakotas... it will fall as rain and
become mixed with or turn to snow by morning Friday.
The area of low pressure that is bringing the precipitation to the
NCRFC region will move northeast into the weekend. It will drag
the precipitation eastward and drop the heaviest rain across the
southern half of Illinois and into Indiana and southern lower
Michigan Friday into Saturday morning. Amounts could reach up to 2
inches.
Saturday into Sunday will be dry across most of the region. Some
lingering precipitation could accumulate across the north. Water
equivalents should only total a tenth or less...with the heaviest
amounts in the upper peninsula of Michigan.
...Hydrologic Conditions...
The precipitation forecast described above is expected to fall
over some watersheds with wet soils. We are modeling close to
staurated soils over much of Illinois...eastern
Missouri...eastern Iowa and the southern Red River Basin. Minor
to moderate flooding is expected in the Wapsipinicon
River...Skunk River...Iowa River...Illinois River...Kaskaskia
River...Big Muddy River and Red River Basins.
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: DCG ... SAS ... MMZ ... JDT
If no response from this list... call the DOH...SCH or HIC.
$$
...rjw/bac...
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