HAZARDOUS WEATHER OUTLOOK
Issue Date: 419 PM CST THU DEC 17 2009
Expiration: 430 PM CST FRI DEC 18 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TONIGHT.
ACCUMULATING SNOW IS EXPECTED TO BEGIN LATE TONIGHT. SNOW SHOULD
BEGIN OVER THE ROCKFORD AREA SHORTLY AFTER MIDNIGHT. SOME LIGHT
SNOW SHOULD BEGIN OVER THE CHICAGO METRO AREA BY AROUND
SUNRISE...BUT NO ACCUMULATION IS EXPECTED THERE DURING THE NIGHT
TONIGHT.
THERE WILL BE A CONTINUED RISK OF LOCALIZED ICE JAM FLOODING ALONG
AREA RIVERS.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
ACCUMULATING SNOW WILL CONTINUE THROUGH THE DAY FRIDAY...SPREADING
FROM WEST TO EAST DURING THE DAY. THE EASTERN PORTIONS OF THE
OUTLOOK AREA MAY SEE THE SNOW MIX WITH RAIN FRIDAY AFTERNOON...BUT
THE PRECIPITATION WILL CHANGE BACK OVER TO ALL SNOW FRIDAY EVENING
AND CONTINUE OVERNIGHT FRIDAY NIGHT. THE MAIN AREA OF SNOW WILL
TAPER OFF DURING THE DAY SATURDAY...BUT SOME LAKE EFFECT SNOW
COULD DEVELOP SATURDAY AFTERNOON AND EVENING.
DESPITE THE LONG DURATION TO THE SNOWFALL...ACCUMULATIONS SHOULD
BE ONLY ABOUT 2 TO 3 INCHES OVER MOST LOCATIONS AS THE AREA WILL
REMAIN CUT OFF FROM THE GULF OF MEXICO. LOCATIONS ALONG THE
ILLINOIS SHORE OF LAKE MICHIGAN COULD SEE AMOUNTS OF 4 TO 5 INCHES
WHERE SNOWFALL WILL BE ENHANCED BY LAKE MICHIGAN MOISTURE.
THERE IS ANOTHER CHANCE OF SNOW SUNDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
|
|
|
