The National Weather Service has a Special Weather Statement in effect:
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
608 AM EST MON DEC 30 2013…SIGNIFICANT SNOW POSSIBLE NEW YEARS EVE THROUGH THURSDAY…
A POTENT UPPER LEVEL SYSTEM IS CURRENTLY ADVANCING INTO WESTERN BRITISH COLUMBIA AND MAY LATER FOSTER THE DEVELOPMENT OF A SIGNIFICANT WINTER STORM. THERE IS SOME INDICATION THAT THE SYSTEM MAY TAKE A PATH FAVORABLE FOR A LONG DURATION SNOWFALL EVENT ACROSS THE SOUTHERN GREAT LAKES NEW YEARS EVE INTO THURSDAY.
WHILE THE DEVELOPMENT AND EXACT TRACK OF THIS POTENTIAL WINTER STORM REMAIN UNCERTAIN…SNOW…MAINLY LIGHT TO MODERATE…IS EXPECTED TO OVERSPREAD THE SOUTHWEST GREAT LAKES REGION AND INTO SOUTHERN LOWER MICHIGAN AND NORTHERN INDIANA TUESDAY NIGHT INTO WEDNESDAY.
THEN…A MORE POTENT SYSTEM COULD EXIT THE SOUTHERN PLAINS WEDNESDAY NIGHT AND INTENSIFY ACROSS THE OHIO VALLEY REGION ON THURSDAY. AT PRESENT THERE IS A SIGNIFICANT DEGREE OF VARIABILITY BETWEEN MODEL SIGNALS WITH RESPECT TO THIS STORMS STRENGTH AND FORWARD SPEED. A SLOWER…MORE DEVELOPED SYSTEM WOULD FAVOR THE POTENTIAL FOR A SWATH OF HEAVY SNOW ACROSS NORTHERN INDIANA…FAR NORTHWEST OHIO AND SOUTHERN LOWER MICHIGAN WEDNESDAY NIGHT INTO THURSDAY. GIVEN THE LONG DURATION OF THIS EVENT…36 TO 48 HOURS…SIGNIFICANT SNOWFALL TOTALS IN THE 4 TO 8 INCH RANGE ARE CERTAINLY POSSIBLE. AT PRESENT THE LOCATION OF THE HEAVIEST SNOW APPEARS TO BE PRIMARILY ALONG AND NORTH OF ROUTE 24…AFFECTING NORTHERN INDIANA…FAR NORTHWEST OHIO…AND SOUTHERN LOWER MICHIGAN. SMALL FLUCTUATIONS IN THE TRACK AND INTENSITY OF THIS SYSTEM COULD SIGNIFICANTLY ALTER ACCUMULATIONS.
WHILE A SIGNIFICANT SNOW EVENT IS NOT A CERTAINTY AT THIS TIME…HOLIDAY TRAVELERS SHOULD REMAIN ALERT TO LATER FORECASTS AND STATEMENTS…SHOULD WINTER STORM WATCHES…WARNINGS OR ADVISORIES BECOME NECESSARY. ALSO…TRAVELERS MAY WISH TO CONSIDER ALTERNATE SCHEDULES AND ROUTES.
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