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Minor flooding possible Sat.-Sun., 1/23-24

January 23, 2010

Up to an inch of rain is expected to fall this weekend. Combined with temperatures in the 40s and a melting snowpack, low-lying areas will likely flood as a result.

Monitor the latest forecasts at http://www.crh.noaa.gov/lot for the latest information. The latest hydrologic outlook is posted below.

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO IL
545 AM CST SAT JAN 23 2010 /645 AM EST SAT JAN 23 2010/

...RAIN AND SNOW MELT COULD PRODUCE FLOODING THIS WEEKEND...

AN ENERGETIC STORM SYSTEM NOW LOCATED OVER THE SOUTHWESTERN UNITED
STATES WILL DEEPEN AS IT REACHES THE MID MISSISSIPPI VALLEY BY EARLY
SUNDAY MORNING. THIS LOW PRESSURE WILL THEN CONTINUE NORTHEASTWARD
TO NEAR CHICAGO BY NOON SUNDAY. AS THIS SYSTEM APPROACHES...RAIN
WILL INCREASE IN COVERAGE AND OVERSPREAD NORTHERN ILLINOIS LATE THIS
AFTERNOON AND NORTHWEST INDIANA THIS EVENING. RAIN MAY BECOME HEAVY
AT TIMES LATER TONIGHT THROUGH MID DAY SUNDAY AS THE STORM CENTER
PASSES OVER THE AREA.

RAINFALL OF AROUND AN INCH MAY FALL IN WIDESPREAD COVERAGE BY SUNDAY
AFTERNOON. IN ADDITION...1 TO 5 INCHES OF COMPACT SNOW REMAINS ON
THE GROUND IN NORTHERN ILLINOIS AND NORTHWEST INDIANA. THE RAIN AND
SNOW MELT MAY COMBINE TO PRODUCE ENOUGH RUNOFF OVER FROZEN GROUND
TO QUICKLY RAISE AREA RIVER LEVELS TO FLOOD STAGE.

FLOODING OF CREEKS...STREAMS AND PONDING OF WATER IN LOW LYING AREAS
MAY ALSO OCCUR.

$$

MERZLOCK

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