FLOOD ADVISORY
Warning Issue Date: 1025 AM CST THU DEC 24 2009
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLOOD ADVISORY FOR
THE DES PLAINES RIVER AT RIVERSIDE.
* UNTIL LATE SATURDAY NIGHT.
* AT 945 AM THURSDAY THE STAGE WAS 3.7 FEET.
* BANKFULL STAGE IS 6.0 FEET.
* FLOOD STAGE IS 7.0 FEET.
* FORECAST...THE RIVER WILL RISE TO NEAR 6.2 FEET BY SATURDAY
MORNING.
* IMPACT...AT 6.0 FEET...WATER BEGINS TO OVERFLOW BANKS IN THE LOWEST
AREAS ADJACENT TO THE RIVER.
$$
FLOOD WATCH
Warning Issue Date: 1123 AM CST THU DEC 24 2009
/
...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...
THE FLOOD WATCH CONTINUES FOR
* PORTIONS OF ILLINOIS AND INDIANA...INCLUDING THE FOLLOWING
AREAS...IN ILLINOIS...BOONE...COOK...DE KALB...DUPAGE...FORD...
GRUNDY...IROQUOIS...KANE...KANKAKEE...KENDALL...LA SALLE...
LAKE IL...LEE...LIVINGSTON...MCHENRY...OGLE...WILL AND
WINNEBAGO. IN INDIANA...BENTON...JASPER...LAKE IN...NEWTON AND
PORTER.
* THROUGH LATE TONIGHT.
* RAIN IS EXPECTED TO BECOME MODERATE TO OCCASIONALLY HEAVY THIS
AFTERNOON AND CONTINUE THROUGH THE OVERNIGHT HOURS. TOTAL
RAINFALL AMOUNTS OF 1.5 TO 2 INCHES WILL BE COMMON....WITH THE
POTENTIAL FOR LOCALLY HIGHER RAINFALL TOTALS BY FRIDAY MORNING.
* CURRENT SNOW COVER RANGES FROM 4 TO 8 INCHES ACROSS NORTHWEST
ILLINOIS TO 1 TO 3 INCHES ACROSS NORTHWEST INDIANA. AS THE
SNOW MELTS AND MODERATE TO OCCASIONAL HEAVY RAIN DEVELOPS...
RAPID RUNOFF DUE TO FROZEN GROUND CONDITIONS WILL RESULT IN
SIGNIFICANT RISES ON AREA RIVERS...WITH SOME RIVERS POSSIBLY
REACHING OR EXCEEDING FLOOD STAGE. FLOODING ACROSS LOW LYING
AND OTHER FLOOD PRONE AREAS WILL ALSO BE POSSIBLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON
CURRENT FORECASTS.
YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE
FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE
PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.
$$
BOXELL
|
