HAZARDOUS WEATHER OUTLOOK
Issue Date: 454 PM EST TUE DEC 1 2009
Expiration: 700 AM EST WED DEC 02 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN UPPER
MICHIGAN AND CENTRAL UPPER MICHIGAN.
.DAY ONE...TONIGHT
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
SIGNIFICANT LAKE EFFECT SNOW ACCUMULATIONS ARE POSSIBLE NEAR LAKE
SUPERIOR WEDNESDAY AFTERNOON THROUGH FRIDAY AS COLD AIR MOVES IN
BEHIND AN EXITING LOW PRESSURE SYSTEM. THE LATEST INDICATIONS
SUGGEST SNOWBELTS FAVORED BY NORTH WINDS COULD SEE MODERATE SNOW
ACCUMULATIONS WEDNESDAY NIGHT INTO THURSDAY. THE POTENTIAL FOR
HEAVY SNOW WOULD THEN IMPACT AREAS FAVORED BY NORTHWEST WINDS
LATER THURSDAY AND THURSDAY NIGHT.
.SPOTTER INFORMATION STATEMENT...
THE NEED FOR WEATHER SPOTTER REPORTS IS NOT ANTICIPATED AT THIS
TIME.
SPECIAL WEATHER STATEMENT
Issue Date: 453 PM EST TUE DEC 1 2009
Expiration: 600 AM EST WED DEC 02 2009
...SIGNIFICANT LAKE EFFECT SNOWS POSSIBLE NEAR LAKE SUPERIOR
WEDNESDAY NIGHT THROUGH FRIDAY EVENING...
LOW PRESSURE CURRENTLY OVER MINNESOTA WILL MOVE ACROSS UPPER
MICHIGAN TONIGHT...THEN MERGE WITH DEVELOPING LOW PRESSURE OVER
THE OHIO VALLEY ON WEDNESDAY. BEHIND THE LOW...WINDS WILL TURN
NORTH AND NORTHWEST...ALLOWING COLDER AIR TO MOVE ACROSS THE
RELATIVELY WARM WATERS OF LAKE SUPERIOR. THIS SETUP WILL LIKELY
LEAD TO THE FIRST SIGNIFICANT LAKE EFFECT SNOWS OF THE SEASON FOR
AREAS NEAR LAKE SUPERIOR. CURRENT DATA SUGGESTS THAT AREAS FAVORED
BY A NORTHERLY WIND DIRECTION...SUCH AS INLAND NORTH CENTRAL UPPER
MICHIGAN AS WELL AS AREAS NEAR IRONWOOD...WILL SEE ACCUMULATING
SNOW WEDNESDAY NIGHT INTO THURSDAY MORNING. AS THE WINDS TURN
NORTHWESTERLY THURSDAY AFTERNOON AND EVENING...ALL OF WESTERN
UPPER MICHIGAN FROM IRONWOOD TO THE KEWEENAW PENINSULA COULD SEE
MODERATE LAKE EFFECT SNOW ACCUMULATIONS.
WIDESPREAD LAKE EFFECT SNOW IS ALSO ANTICIPATED TO FALL ACROSS
LAKE EFFECT SNOW BELTS EAST OF MARQUETTE FAVORED BY A NORTHWEST WIND.
HOWEVER...THE LATEST INFORMATION SUGGESTS THIS SNOW WILL NOT BE AS
HEAVY AS PREVIOUSLY THOUGHT AS WINDS QUICKLY SHIFT TO THE WEST ON
THURSDAY NIGHT...SHIFTING THE HEAVIER SNOW OVER LAKE SUPERIOR.
LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR UPDATES ON
THIS SITUATION.
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