SWOMCD
SPC MCD 050415
MIZ000-050615-
MESOSCALE DISCUSSION 2412
NWS STORM PREDICTION CENTER NORMAN OK
1015 PM CST THU DEC 04 2008
AREAS AFFECTED...NRN LOWER MI
CONCERNING...HEAVY SNOW
VALID 050415Z - 050615Z
INTENSE LAKE EFFECT SNOW BAND WITH OBSERVED RATES APPROACHING 5
IN/HR WILL LIKELY DIMINISH TOWARDS 06Z...WITH SNOWFALL RATES FALLING
TO AOB 2 IN/HR OVERNIGHT.
RECENT RADAR IMAGERY HAS DEPICTED CONSOLIDATION OF MULTIPLE BANDS OF
LAKE EFFECT SNOW INTO ONE SINGLE INTENSE BAND CENTERED ACROSS ANTRIM
AND OTSEGO COUNTIES. SNOWFALL RATES OF 3 TO 5 IN/HR HAVE BEEN
REPORTED DURING THE PAST HOUR INVOF KGLR. THESE IMPRESSIVE RATES
SHOULD BE SHORT-LIVED AS MID-LEVEL TROUGH AXIS PASSES EWD AND
WARMING INCREASES/LARGER-SCALE ASCENT WANES. THIS WILL EFFECTIVELY
LOWER INVERSION HEIGHTS /DEPICTED IN UPSTREAM TAMDAR SOUNDINGS OVER
UPPER MI AND WI/...AND RESULT IN DIMINISHING SNOWFALL RATES.
..GRAMS.. 12/05/2008
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
...NOTICE...
SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A
SCHEDULED BASIS FROM DECEMBER 1 THROUGH FEBRUARY 28...FOUR
TIMES A DAY...AROUND 00 UTC...06 UTC...12 UTC...AND 18 UTC
FOR SIGNIFICANT SHORT RANGE WINTER WEATHER EVENTS.
ATTN...WFO...APX...
LAT...LON 45288378 44958353 44638385 44628450 44678525 44778586
45108582 45338566 45438496 45288378
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