HAZARDOUS WEATHER OUTLOOK
Issue Date: 444 AM CST MON DEC 7 2009
Expiration: 400 AM CST TUE DEC 08 2009
...HIGH IMPACT...VERY DANGEROUS WINTER STORM TUESDAY AND WEDNESDAY...
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...TODAY AND TONIGHT
LIGHT SNOW WILL DEVELOP BETWEEN MIDNIGHT AND SUNRISE TUESDAY. SNOW
ACCUMULATIONS SHOULD RANGE FROM A DUSTING TO NEARLY AN INCH WEST OF
THE MISSISSIPPI. THIS SNOW WILL BE THE LEADING EDGE OF THE MAJOR
STORM SYSTEM AFFECTING THE REGION TUESDAY INTO WEDNESDAY.
.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SATURDAY
TUESDAY AND WEDNESDAY...A HIGH IMPACT...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 40 MPH WITH GUSTS OVER 50 MPH ARE EXPECTED WEDNESDAY. THIS
WILL 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 PROLONGED
POWER OUTAGES OVER LARGE AREAS AND DAMAGE FROM FALLEN TREES OR LARGE
TREE LIMBS. INTERESTED INDIVIDUALS SHOULD MONITOR THIS PRODUCT FOR
FURTHER UPDATES AND MORE SPECIFICS ON THIS POWERFUL SYSTEM AND PLAN
ACCORDINGLY.
.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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