HAZARDOUS WEATHER OUTLOOK
Issue Date: 436 PM CST MON DEC 7 2009
Expiration: 445 PM CST TUE DEC 08 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.
.DAY ONE...TONIGHT
LIGHT SNOW WILL DEVELOP BETWEEN AFTER MIDNIGHT. SNOW ACCUMULATIONS
SHOULD RANGE FROM A DUSTING EAST OF THE MISSISSIPPI RIVER TO
NEARLY AN INCH IN PARTS OF SOUTHEAST IOWA AND NORTHEAST MISSOURI.
THIS SNOW WILL BE THE LEADING EDGE OF THE MAJOR STORM SYSTEM
AFFECTING THE REGION TUESDAY INTO WEDNESDAY.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
TUESDAY AND WEDNESDAY...VERY DANGEROUS WINTER STORM WILL MOVE OUT
OF THE PLAINS INTO THE GREAT LAKES. THIS SYSTEM WILL PRODUCE HEAVY
SNOWFALL OF 6 TO 12 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE BY
WEDNESDAY AFTERNOON. STRONG NORTHWEST SUSTAINED WINDS OF 25 TO 35 MPH
AND GUSTS OF 40 TO 50 MPH WILL BE POSSIBLE LATE TUESDAY NIGHT AND
WEDNESDAY. THIS COULD RESULT IN WIDESPREAD BLOWING SNOW AND LOW
VISIBILITIES PRODUCING DIFFICULT...IF NOT IMPOSSIBLE TRAVEL
CONDITIONS AT TIMES. DEPENDING ON THE EXACT TRACK AND STRENGTH OF
THIS STORM...PORTIONS OF THE OUTLOOK AREA COULD EXPERIENCE
BLIZZARD TO NEAR BLIZZARD CONDITIONS WEDNESDAY. A MIXTURE OF SNOW
AND SLEET IS POSSIBLE SOUTH OF HIGHWAY 34 ON TUESDAY AFTERNOON AS
WARMER AIR IS PULLED NORTHWARD...BUT THE PRECIPITATION WILL CHANGE
TO ALL SNOW TUESDAY NIGHT.
THIS IS A PARTICULARLY DANGEROUS STORM THAT COULD RESULT IN POWER
OUTAGES AND DAMAGE FROM FALLEN TREE LIMBS. INTERESTED INDIVIDUALS
SHOULD MONITOR THIS PRODUCT FOR FURTHER UPDATES AND MORE SPECIFICS
ON THIS POWERFUL SYSTEM AND PLAN ACCORDINGLY.
A WINTER STORM WARNING IS IN EFFECT FOR THE ENTIRE AREA FROM
TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON.
A BLIZZARD WATCH REMAINS IN EFFECT FOR LATE TUESDAY NIGHT AND
WEDNESDAY OVER THE WESTERN SECTIONS OF THE AREA...ROUGHLY WEST OF
A LINE FROM KEOKUK IOWA THROUGH MOLINE ILLINOIS TO FREEPORT
ILLINOIS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER REPORTS REGARDING SNOWFALL AMOUNTS AND WINTER WEATHER
IMPACTS WILL BE GREATLY APPRECIATED OVER THE NEXT SEVERAL DAYS.
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