Hydrometeorological Discussion
Issued by NWS North Central River Forecast Center

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AGUS73 KMSR 291728
HMDMSR

HYDROMETEOROLOGICAL FORECAST DISCUSSION
NWS NORTH CENTRAL RIVER FORECAST CENTER TWIN CITIES/CHANHASSEN MN
1226 PM CDT SAT AUG 29 2015

...PRECIPITATION...

VERY HEAVY RAIN FELL MAINLY YESTERDAY MORNING THROUGH AFTERNOON
ACROSS CENTRAL IOWA.  NUMEROUS REPORTS WERE BETWEEN 3 AND 6 INCHES
AND SCATTERED AMOUNTS WERE NEAR 7 TO 9 INCHES MAINLY IN WEBSTER
AND HAMILTON COUNTIES NORTH OF DES MOINES... IOWA.

THE LARGER AREA OF RAINFALL TOTALS FROM YESTERDAY MORNING THROUGH
EARLY THIS MORNING INCLUDED 1 TO 3 INCHES FROM SOUTHEAST MINNESOTA
ACROSS THE SOUTHERN HALF OF WISCONSIN AND NORTHERN ILLINOIS AND
ACROSS THE NORTHEAST HALF OF IOWA.

ALSO SCATTERED SHOWERS AND THUNDERSTORMS PRODUCED RAINFALL AROUND
A HALF TO ONE INCH IN THE ARROWHEAD REGION IN MINNESOTA... AND UP
TO A HALF INCH ACROSS LOWER MICHIGAN.

IN THE PRECIPITATION FORECAST FOR TODAY... LOWER RAINFALL AMOUNTS
ARE EXPECTED AS THIS SYSTEM SHIFTS EASTWARD.  AROUND A QUARTER TO
HALF INCH OF RAIN IS FORECAST ACROSS CENTRAL TO NORTHEAST
ILLINOIS... AND ACROSS NORTHERN INDIANA TO LOWER MICHIGAN.

...HYDROLOGIC CONDITIONS...

THE HEAVY RAINFALL IN IOWA HAS PUSHED A FEW LOCATIONS TOWARD FLOOD
STAGE.  THE SKUNK RIVER IN THE AMES AREA IS ABOVE FLOOD STAGE...
AND IS EXPECTED TO CREST JUST BELOW MODERATE FLOOD LEVELS OVER THE
NEXT 24 HOURS.  A FEW LOCATIONS ON THE CEDAR AND IOWA RIVERS MAY
RISE INTO MINOR FLOOD CATEGORES AS RUNOFF MOVES INTO THE SYSTEM.
THE NORTH RACCOON RIVER AT PERRY... IN THE DES MOINES BASIN...
SHOULD HIT FLOOD STAGE BY TOMORROW MORNING.

THE MISSISSIPPI RIVER DOWNSTREAM OF THE RAINFALL SHOULD SEE A SMALL
RISE OVER THE NEXT WEEK OR SO.  THE MISSISSIPPI RIVER AT
ST.LOUIS IS EXPECTED TO HANG OUT AROUND NINE FEET AS THE RUNOFF FROM
IOWA MOVES DOWNSTREAM.

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: SAS JDT DCG RHR

IF NO RESPONSE FROM THIS LIST... CALL THE DOH...SCH OR HIC.


$$

...RHR/ALH...





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