SPECIAL WEATHER STATEMENT
Issue Date: 810 PM CST THU DEC 24 2009
Expiration: 1200 AM CST FRI DEC 25 2009
AN ALREADY STRONG LOW PRESSURE SYSTEM OVER SOUTHERN MISSOURI WILL
STRENGTHEN EVEN FURTHER OVERNIGHT AS IT MOVES NORTH INTO IOWA. ON
THE NORTHEAST SIDE OF THIS STORM SYSTEM...PORTIONS OF NORTH
CENTRAL ILLINOIS ARE SEEING WINDS NEAR 30 MPH GUSTING TO AROUND
35 MPH. THIS IS IN THE SAME AREA WHERE FREEZING RAIN HAS COATED
TREE LIMBS AND POWER LINES. SOME OF THIS ICE HAS STARTED TO
MELT...BUT TEMPERATURES ARE HOVERING BARELY ABOVE FREEZING IN
MANY LOCATIONS. WINDS ARE NOT EXPECTED TO INCREASE MUCH MORE
OVERNIGHT...BUT UNTIL THIS LOW PRESSURE SYSTEM STARTS TO PULL AWAY
TO THE WEST TOMORROW MORNING...THE COMBINATION OF STRONG WINDS AND
RESIDUAL ICE COULD CAUSE ADDITIONAL PROBLEMS WITH FALLING TREE
LIMBS AND POWER LINES IN SOME LOCATIONS.
HAZARDOUS WEATHER OUTLOOK
Issue Date: 357 PM CST THU DEC 24 2009
Expiration: 400 PM CST FRI DEC 25 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.
.DAY ONE...TONIGHT.
A STEADY RAIN WILL BE FALLING MOST OF THE NIGHT. THERE WILL BE
PERIODS OF MODERATE RAIN...AND SOME HEAVY RAIN IS POSSIBLE.
WIDESPREAD RAINFALL OF 1 TO 1.5 INCHES OVERNIGHT WILL COMBINE WITH
MELTING SNOW AND ICE TO CREATE SIGNIFICANT AMOUNTS OF WATER
RUNOFF. THIS WILL RESULT IN SIGNIFICANT RISES ON AREA RIVERS AND
STREAMS...WITH FLOODING POSSIBLE. FLOODING OF LOW LYING...FLOOD
PRONE AREAS IS LIKELY TO OCCUR.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
HIGH RIVER AND STREAM LEVELS...AS WELL AS ANY FLOODING THAT MAY
OCCUR FROM THE RAINFALL AND SNOW MELT WILL LIKELY PERSIST INTO
THE WEEKEND.
PRECIPITATION IS EXPECTED TO CHANGE TO SNOW SHOWERS DURING THE
DAY FRIDAY. OFF AND ON SNOW SHOWERS WILL PERSIST THROUGH LATE
SUNDAY. MINOR ACCUMULATIONS MAY OCCUR...WITH A TOTAL OF 1 TO 3
INCHES OF SNOW FALLING OVER THE FRIDAY THROUGH SUNDAY PERIOD.
SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE NECESSARY TONIGHT...HOWEVER
SPOTTERS ARE ENCOURAGED TO REPORT ANY MEASUREMENTS OF SIGNIFICANT
RAINFALL AS WELL AS ANY OBSERVED FLOODING TO THE CHICAGO OFFICE
OF THE NATIONAL WEATHER SERVICE.
&&
COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO
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