[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 220451
SWOMCD
SPC MCD 220450 
WIZ000-IAZ000-MNZ000-SDZ000-NDZ000-221045-

MESOSCALE DISCUSSION 0114
NWS STORM PREDICTION CENTER NORMAN OK
1050 PM CST FRI JAN 21 2005

AREAS AFFECTED...ERN DAKOTAS/NW MN INTO CNTRL/SE MN /NRN IA/WRN WI

CONCERNING...BLIZZARD CONDITIONS/HEAVY SNOW 

VALID 220450Z - 221045Z

BLIZZARD CONDITIONS NOW OCCURRING OVER THE ERN DAKOTAS/W CNTRL MN
WILL SPREAD EWD INTO SRN MN/NRN IA AND WRN WI WITHIN THE NEXT 1-4
HOURS. VERY STRONG WINDS WILL CREATE WHITEOUT CONDITIONS WITH
VISIBILITY NEAR ZERO IN SOME LOCATIONS. 

SFC PRESSURE RISES 2-3 MB/HR ARE ACCELERATING A COLD FRONT E/SEWD
ACROSS SCNTRL MN. VERY STRONG WINDS ASSOCIATED WITH THE TIGHT SFC
PRESSURE GRADIENT ARE SUSTAINED AT 25-40 MPH WITH GUSTS OVER 50 MPH
RECENTLY REPORTED IN SE SD/SW MN. AREA VAD WIND DATA PROFILES
INDICATE 35-50 MPH WINDS IN THE LOWER 1KM. EVEN THOUGH THE HEAVIEST
SNOW HAS MOVED INTO SCNTRL/SE MN...GUSTY WINDS WILL CREATE DANGEROUS
BLIZZARD CONDITIONS. BOUNDARY MARKED BY SHARP WIND SHIFT NOW EXTENDS
FROM ALGONA IA TO JUST EAST OF NEW ULM/HUTCHINSON MN. AS THIS
BOUNDARY MOVES EWD...BLIZZARD CONDITIONS WILL RAPIDLY DEVELOP ACROSS
SE MN/NE IA/WRN WI. SNOWFALL AMOUNTS SO FAR TODAY HAVE BEEN IN THE
6-8 INCH RANGE ACROSS SRN MN INTO WCNTRL WI...AND THIS WILL SUPPORT
NEAR ZERO VISIBILITY IN OPEN AREAS. 

IN ADDITION TO DEVELOPING BLIZZARD CONDITIONS...MOD/HEAVY SNOW WILL
BE LIKELY ACROSS SE MN/NE IA/WRN WI NEXT FEW HOURS WITH SNOW RATES
OF 1 INCH/HR OR GREATER.

..TAYLOR.. 01/22/2005

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

ATTN...WFO...DLH...ARX...MPX...DMX...FGF...FSD...ABR...

48639727 47419795 45059762 44379683 43469543 43129396
42939246 42989108 43919076 46729422 48609656 

WWWW