HYDROLOGIC OUTLOOK
Warning Issue Date: 1234 PM CST SUN DEC 27 2009
THE ILLINOIS RIVER.
THE FOLLOWING FLOOD FORECASTS ARE BASED PRIMARILY ON EXPECTED
RAINFALL OVER THE NEXT 24 HOURS. THERE IS SOME UNCERTAINTY IN THE
CREST FORECASTS AT THIS TIME AND SO THEY WILL LIKELY BE ADJUSTED ONCE
THE RAINFALL IS OBSERVED.
FOR THE ILLINOIS RIVER AT HENRY...THE LATEST STAGE IS 20.1 FEET AT 11
AM SATURDAY. FLOOD STAGE IS 23 FEET. MINOR FLOODING IS FORECAST...
WITH A CREST OF 23.7 FEET WEDNESDAY MORNING...WHICH IS 0.7 FEET ABOVE
FLOOD STAGE. THE RIVER SHOULD RISE ABOVE THE FLOOD STAGE OF 23 FEET
MONDAY EVENING. THE RIVER SHOULD FALL BELOW FLOOD STAGE EARLY
SATURDAY MORNING. AT 23 FEET...WATER BEGINS TO AFFECT THE MARINA IN
HENRY ALONG WITH MINOR FLOODING OF LAND ADJACENT TO THE RIVER.
FOR THE ILLINOIS RIVER NEAR PEORIA...THE LATEST STAGE IS 14.6 FEET AT
11 AM SATURDAY. FLOOD STAGE IS 18 FEET. MINOR FLOODING IS
FORECAST...WITH A CREST OF 20.4 FEET THURSDAY AFTERNOON...WHICH IS
2.4 FEET ABOVE FLOOD STAGE. THE RIVER SHOULD RISE ABOVE THE FLOOD
STAGE OF 18 FEET EARLY MONDAY MORNING.
FLD OBSERVED FORECAST 6 AM
LOCATION STG STG DAY TIME SUN MON TUE
ILLINOIS RIVER
HENRY 23 20.1 SAT 11 AM 21.3 22.5 23.3
PEORIA 18 14.6 SAT 11 AM 16.4 18.2 19.3
$$
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