[MCD] SWOMCD

Sat Mar 11 13:53:22 UTC 2006

ACUS11 KWNS 111354
SWOMCD
SPC MCD 111354 
MNZ000-NDZ000-111800-

MESOSCALE DISCUSSION 0233
NWS STORM PREDICTION CENTER NORMAN OK
0754 AM CST SAT MAR 11 2006

AREAS AFFECTED...ERN ND/FAR NW MN

CONCERNING...HEAVY SNOW 

VALID 111354Z - 111800Z

BANDED MODERATE TO HEAVY SNOW WILL CONTINUE TO LIFT SLOWLY N THIS
MORNING ACROSS ERN ND/FAR NW MN. SNOWFALL RATES OF 1 TO 1.5 IN/HR
ARE LIKELY.

MODERATE TO HEAVY SNOW DEVELOPED OVERNIGHT ALONG AN AREA OF STRONG
LOW-LEVEL FRONTOGENESIS AND ISENTROPIC LIFT. THIS ZONE NOW STRETCHES
INTO ERN ND/FAR NW MN CO-LOCATED WITH CURRENT SNOW BAND SEEN ON KMVX
RADAR. ASSOCIATED SHORTWAVE ALOFT IN ERN SD HAS SHOWN A SLIGHT
DARKENING TREND OVER THE PAST FEW HOURS IN WV IMAGERY...INDICATING A
SLIGHT STRENGTHENING OF THE WAVE. SURFACE LOW IN W-CNTRL MN IS
PROGGED TO LIFT ALMOST DUE N TO THE LAKE OF THE WOODS REGION BY 21Z
THIS AFTERNOON. THESE FEATURES WILL KEEP THE DEFORMATION ZONE AXIS
ALIGNED ROUGHLY NORTH-TO-SOUTH ALONG THE RED RIVER VALLEY...AND WILL
SUPPORT HEAVY SNOWFALL RATES OF 1 TO 1.5 IN/HR OVER THE NEXT FEW
HOURS. RUC/NAM-ETA INDICATE WEAKENING OF THE FRONTOGENETICAL FORCING
LATER THIS MORNING. SNOWFALL RATES SHOULD DIMINISH THEREAFTER AS THE
HEAVIEST SNOW LIFTS INTO CANADA.

..GRAMS.. 03/11/2006

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

ATTN...WFO...FGF...BIS...

48909554 47009621 46009729 46189861 47449826 48999797 

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