news

Flood Watch
Issued At: Wednesday, 23 Dec 2009, 4:45 AM EST
Expires At: Friday, 25 Dec 2009, 7:00 AM EST

...HEAVY RAIN AND FLOODING POSSIBLE THURSDAY AFTERNOON THROUGH FRIDAY MORNING... .A DEVELOPING WINTER STORM OVER THE SOUTHERN PLAINS WILL MOVE NORTH TO IOWA BY FRIDAY MORNING. AFTER A PERIOD OF WINTRY PRECIPITATION WEDNESDAY AFTERNOON INTO THURSDAY MORNING...WARM MOIST AIR WILL SPREAD NORTH ACROSS THE AREA WITH PERIODS OF HEAVY RAIN EXPECTED THURSDAY AFTERNOON AND THURSDAY NIGHT. ...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.

Areas affected: Benton, Jasper, Lake, Newton, Porter