FLOOD WATCH
Warning Issue Date: 345 AM CST WED DEC 23 2009
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...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLOOD WATCH FOR PORTIONS OF ILLINOIS AND INDIANA...INCLUDING
THE FOLLOWING AREAS...IN ILLINOIS...BOONE...COOK...DE KALB...
DUPAGE...FORD...GRUNDY...IROQUOIS...KANE...KANKAKEE...
KENDALL...LA SALLE...LAKE IL...LEE...LIVINGSTON...MCHENRY...
OGLE...WILL AND WINNEBAGO. IN INDIANA...BENTON...JASPER...LAKE
IN...NEWTON AND PORTER.
* FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT.
* HEAVY RAIN IS EXPECTED TO DEVELOP ACROSS NORTHERN ILLINOIS AND
NORTHWEST INDIANA BY THURSDAY AFTERNOON AND CONTINUE THROUGH
EARLY FRIDAY MORNING. STORM TOTAL RAINFALL AMOUNTS OF 1 TO 2
INCHES WILL BE COMMON. SOME AREAS MAY RECEIVE AS MUCH AS 3
INCHES BY FRIDAY MORNING.
* THE DEPTH OF THE CURRENT SNOW PACK RANGES FROM 5 TO 8 INCHES
OVER NORTHWEST ILLINOIS TO 1 TO 3 INCHES ACROSS NORTHWEST
INDIANA. AS THIS SNOW MELTS...COMBINED WITH THE EXPECTED HEAVY
RAIN...AND FROZEN GROUND CONDITIONS...RAPID RUNOFF AND RISES ON
AREA RIVERS ARE EXPECTED. SOME RIVERS MAY REACH OR EXCEED FLOOD
STAGE. FLOODING OF LOW LYING AND FLOOD PRONE AREAS WILL ALSO BE
POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$
WINTER WEATHER ADVISORY
Warning Issue Date: 918 AM CST WED DEC 23 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY...
A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON CST
THURSDAY.
* TIMING...A MIXTURE OF FREEZING RAIN...SLEET AND SNOW IS
EXPECTED TO DEVELOP THIS AFTERNOON AND CONTINUE THROUGH
THURSDAY MORNING. AS TEMPERATURES WARM ABOVE FREEZING THURSDAY
MORNING...THE PRECIPITATION WILL TRANSITION TO RAIN.
* ACCUMULATIONS...SNOW AND SLEET ACCUMULATIONS LESS THAN ONE
INCH. ICE ACCUMULATION OF UP TO ONE QUARTER INCH.
* HAZARDS...ACCUMULATION OF ICE.
* IMPACTS...GLAZING OF ROADWAYS...PARKING LOTS AND SIDEWALKS.
THIS WILL MAKE FOR HAZARDOUS TRAVEL ON UNTREATED SURFACES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER WEATHER ADVISORY MEANS THAT A COMBINATION OF SNOW...
SLEET...OR FREEZING RAIN WILL RESULT IN SLIPPERY ROADWAYS AND
CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR HAZARDOUS DRIVING
CONDITIONS AND USE CAUTION WHILE TRAVELING.
$$
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