[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 220045
SWOMCD
SPC MCD 220044 
MIZ000-INZ000-ILZ000-WIZ000-IAZ000-MNZ000-220545-

MESOSCALE DISCUSSION 0113
NWS STORM PREDICTION CENTER NORMAN OK
0644 PM CST FRI JAN 21 2005

AREAS AFFECTED...FAR SE MN/NE IA...CNTRL/SRN WI...AND NRN IL/NW IN

CONCERNING...HEAVY SNOW 

VALID 220044Z - 220545Z

MDT/HEAVY SNOW WILL CONTINUE TO SHIFT SEWD ACROSS FAR SE MN/NE IA
AND CNTRL/SRN WI THIS EVENING...WITH SNOW INCREASING AFTER 03Z
ACROSS NRN IL/NW IN. RATES OF 1.0-1.5 IN/HR WILL BE POSSIBLE FOR
SEVERAL HOURS DURATION.

WATER VAPOR/INFRARED SATELLITE CHANNELS PORTRAY LEADING SHORTWAVE
IMPULSE OVER SE SD/WRN IA AHEAD OF SECONDARY SHORTWAVE TROUGH
PLUNGING SWD ACROSS SRN MANITOBA. AS SEEN BY STRONG WAA REGIME IN
00Z MPX/DVN RAOBS AND BLR /BLUE RIVER WI/ PROFILER...WAA/INCREASING
ISENTROPIC ASCENT IN 285K-295K LAYER WILL CONTINUE THE SEWD
EXTRAPOLATION OF MDT/HEAVY SNOW THROUGH SRN WI/NE IA/NRN IL/NW IND
THIS EVENING. WITHIN THIS CORRIDOR...18Z ETA/21Z RUC FCST SOUNDINGS
ARE INDICATIVE OF DEEPLY SATURATED VERTICAL PROFILES AMIDST
FAVORABLE DENDRITIC LAYER. 21Z RUC SOUNDINGS SUGGEST HEAVIEST
SNOWFALL WILL MATERIALIZE AROUND/AFTER 03Z ACROSS THE CHICAGO METRO
AREA.

..GUYER.. 01/22/2005

...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...GRB...LOT...MKX...DVN...ARX...MPX...

44949010 44288862 43398746 42078595 41548619 41228705
41378831 41798975 42609118 43399232 43839252 44449207
45009137 

WWWW