[MCD] SWOMCD

[Mesoscale Convective Discussions]

ACUS11 KWNS 151600
SWOMCD
SPC MCD 151600 
OHZ000-MIZ000-INZ000-152000-

MESOSCALE DISCUSSION 2569
NWS STORM PREDICTION CENTER NORMAN OK
1000 AM CST THU DEC 15 2005

AREAS AFFECTED...NE INDIANA/SE MI/NW OH

CONCERNING...HEAVY SNOW 

VALID 151600Z - 152000Z

SNOW IS EXPECTED TO INCREASE THROUGH EARLY AFTERNOON FROM FAR NE
INDIANA/NW OH INTO SE/THUMB OF MI. SNOW RATES WILL REACH 1 IN/HR ON
A LOCALIZED BASIS.

EAST OF STACKED LOW CENTERED ALONG THE MN/WI BORDER...OBSERVATIONAL
TRENDS FEATURE AXIS OF INCREASING SNOW ACROSS NE INDIANA/WRN OH/FAR
SE MI...PART OF BROADER BAROCLINIC LEAF STRUCTURE SEEN IN WATER
VAPOR/INFRARED IMAGERY. THIS ACTIVITY IS FOCUSED IN GENERAL SSW-NNE
ORIENTATION ALIGNED WITH MID LEVEL FRONTOGENETICAL FORCING BETWEEN
600-700 MB. SIMILAR TO OBSERVATIONAL TRENDS...09Z SREF AND LATEST
RUC/WRF GUIDANCE SUGGESTS SNOW SHOULD CONTINUE TO INCREASE FROM FAR
NE INDIANA/NW OH INTO SOUTHEAST/THUMB VICINITY OF MI THROUGH EARLY
AFTERNOON. ALTHOUGH LOW LEVEL TEMPERATURES PROFILES ARE
MARGINAL...AMPLE PRECIPITATION RATES SHOULD BE SUPPORTIVE OF
MDT/OCNLY HEAVY WET SNOW. SNOW RATES MAY REACH 1 IN/HR ON A
LOCALIZED BASIS INTO MID AFTERNOON.

..GUYER.. 12/15/2005

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...CLE...ILN...DTX...APX...IWX...GRR...IND...

44538346 43738261 41298274 40408345 40298480 40818556
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