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ZCZC MSPHMDMSR ALL TTAA00 KMSR DDHHMM HYDROMETEOROLOGICAL FORECAST DISCUSSION NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN 1150 AM CST SUN NOV 22 2009 ...Precipitation... A weak frontal system pushing through the Northern Plains states into the Upper Mississippi Valley sparked a few sprinkles and widely scattered light rain...mainly over western Wisconsin. Amounts were less than five hundredths of an inch. During the next 24 hours...southerly flow ahead of the slow moving front will pool moisture ahead of the front. A tenth or less is forecast for the southeast half of Minnesota...western Wisconsin and much of Iowa. Heavier precipitation is forecast during the day Monday into Tuesday over western Iowa and southwest Minnesota where amounts greater than half an inch to and inch are possible. ...Hydrologic Conditions... Moderate flooding continues on the lower Illinois River from Havana to Valley City. At Petersburg IL on the Sangamon River the stage is still hovering around moderate flood stage but should fall off in the next day or so. Moderate flooding is also occurring at Chester IL on the Mississippi River but should drop below moderate in about 1 day. St. Louis MO on the Mississippi will drop nearly 10 ft in the next 5 days as the Missouri and upper Mississippi recede quickly. No significant river rises are expected in next 24 hours given the lack of rainfall expected. 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 $$ ...lne/sas... NNNN
