169 
FOCN45 CWWG 142000
SIGNIFICANT WEATHER DISCUSSION ISSUED BY THE PRAIRIE AND ARCTIC STORM
PREDICTION CENTRE OF ENVIRONMENT CANADA AT 2:00 PM CST TUESDAY
FEBRUARY 14 2012.

WATCHES, WARNINGS OR STATEMENTS..GALE WARNING FOR ERN RESOLUTION
MARINE REGION.

DISCUSSION...LOW WHICH GAVE NEAR-BLIZZARD CONDITIONS TO CYFB NOW HAS
STALLED SOMEWHERE OFF THE SE COAST OF BAFFIN ISLAND AND IS WEAKENING.
WITH THE APPROACH OF THE LOW. BARRIER JET HAS SET UP AT CLYDE RIVER
AS ANTICIPATED, AND BLIZZARD CONDNS DID DEVELOP LASTING JUST UNDER 6
HRS, HOWEVER HAVE SINCE ENDED. UNLIKLY FOR THOSE CONDNS TO RETURN SO
WARNING WAS ENDED. ELSW NIL SIG WX ARCTIC.

UPPER TROUGH WITH A COUPLE OF EMBEDDED VORT MAXES CLIPPED SW SK WITH
A CM OR SO OF SNOW TODAY BUT ARE CURRENTLY DARTING SWD AND PCPN
FAIRLY LIGHT ON RADAR. LOTS OF BNDRY LAYER CLOUD IN SK/MB, BUT NIL
SIG WX.

WEATHER OVER ALBERTA QUIET TODAY AND WEDNESDAY. WEAK SHORT WAVE
MOVING THROUGH NERN ALBERTA AND NRN SASKATCHEWAN TODAY GIVING
LESS THAN A CM ACCUMULATION.

OVER WRN ARCTIC FLOW USUAL FORECAST PROBLEMS OF CHASING CLOUD
AMOUNTS AND ADJUSTING FORECAST TEMPERATURE CURVES. THAT SAID WEAK
UPPER TROUGH PUSHING NEWD ACROSS YUKON WILL SPILL FRESH BATCH OF
CLOUD AND SNOW INTO NRN MACKENZIE. UPPER TROF TURNS CORNER OVRNGT
AND DROPS SEWD. ITS CLOUD AND SNOW ACTIVITY SPILLS SEWD FROM DELTA
TO ENVELOP MUCH OF MACKENZIE VLY GREAT BEAR LAKE AND GREAT SLAVE
LAKE AREAS BY DAYS END WEDNESDAY.

END/SLIPEC/HUDSON