[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 140031
SWOMCD
SPC MCD 140031 
INZ000-MIZ000-140430-

MESOSCALE DISCUSSION 2540
NWS STORM PREDICTION CENTER NORMAN OK
0631 PM CST MON DEC 13 2004

AREAS AFFECTED...FAR SW LOWER MI/FAR NCNTRL IN

CONCERNING...PRECIPITATION TRENDS...WINTER PRECIPITATION 

VALID 140031Z - 140430Z

MDT/OCNLY HEAVY LES BAND EXPECTED TO PERSIST ACROSS WRN ALLEGAN/WRN
VAN BUREN/ERN BERRIEN/CASS COUNTIES MI INTO ST JOSEPH/ELKHART
COUNTIES IN THROUGH 06Z...WITH SNOWFALL RATES AS HIGH AS 1.5 IN/HR
POSSIBLE.

SINGLE LES BAND HAS REMAIN ORGANIZED INTO EARLY EVENING ACROSS FAR
SW LOWER MI/FAR NCNTRL IN...FROM BIV /HOLLAND/ LAKESHORE TO NEAR SBN
AND GSH /GOSHEN/. LATEST GRR WSR-88D VAD PORTRAYS NNWLY WINDS OF
20-30 KTS WITHIN CONDITIONALLY UNSTABLE BOUNDARY LAYER...LARGELY
UNCHANGED OVER THE PAST FEW HOURS. 21Z RUC GUIDANCE SUGGESTS NNWLY
WINDS NEAR TOP OF CONVECTIVE LAYER /AROUND 6000 FT/ MAY GRADUALLY
BECOME MORE NWLY AROUND/AFTER 03Z...ALTHOUGH WIND SPEEDS ARE
EXPECTED TO WEAKEN AS WELL. IN ALL...ORGANIZED LES BAND EXPECTED TO
MOVE LITTLE THROUGH 06Z.

..GUYER.. 12/14/2004

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

...NOTICE...
SPC WINTER WEATHER MESOSCALE DISCUSSIONS WILL BE ISSUED ON A 
SCHEDULED BASIS...FOUR TIMES A DAY...BETWEEN 00-01 UTC...
06-07 UTC...12-13 UTC...AND 18-19 UTC AS SIGNIFICANT SHORT
RANGE WINTER WEATHER EVENTS UNFOLD.  THIS SCHEDULE WILL BE
USED FROM DECEMBER 1 THROUGH FEBRUARY 28.

ATTN...WFO...IWX...GRR...

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