SIGNIFICANT WEATHER DISCUSSION ISSUED BY THE PRAIRIE AND ARCTIC STORM  
PREDICTION CENTRE OF ENVIRONMENT CANADA AT 7:00 AM CST TUESDAY  
JANUARY 17 2012.  
  
WATCHES, WARNINGS OR STATEMENTS...BLIZZARD WARNINGS FOR THE NWT.  
WIND CHILL WARNINGS FOR KIVALLIQ, NRN MB/SK, AND ERN AB...
  
OVERVIEW...LATEST SURFACE ANALYSIS SHOWED A SPRAWLING ARCTIC HIGH  
PRESSURE RIDGE CENTERED AT 1056 MB OVER ALASKA AND THE YUKON  
SPILLING SOUTHEAST INTO SRN SK WITH NW FLOW OF ARCTIC AIR OVER ALL  
THE PRAIRIES...
  
DISCUSSION...COLD WEATHER HAS RETURNED TO THE PRAIRIES AS LARGE  
ARCTIC AIRMASS OVER WRN CANADA FLOODS THE REGION. SASKATOON DROPPED  
TO -36C THIS MORNING.. COLDEST READING THERE SINCE A -37C LAST FEB  
25TH. LUCKILY WINDS ARE LIGHT ACROSS SRN SK AND SRN MB SO WIND CHILL  
GENERALLY NOT A FACTOR.. SAVE FOR A COUPLE SPOTS WITH LOCAL DRAINAGE  
WINDS...
  
FOR ALBERTA..ARCTIC AIRMASS DOMINATES WITH ANY AREA SEEING 15 KM/H  
WINDS HITTING WARNING CRITERIA. ONLY A FEW SITES AT MINUS 40 THIS  
MONRING  HOWEVER TONIGHT AS THE ARCTIC LOW SLUMPS AND THE RIDGE  
PINCHES IN SOUTHERN ALBERTA A SLIGHT WESTERLY GRADIENT DEVELOPS IN  
CENTRAL ALBERTA GIVING 15 TO 20 KM/H WINDS. SOUTHASTERN ALBERTA WILL  
BE BORDERLINE FOR -40 AS A LOW PUSHES THROUGH MONTANA TONIGHT.  
    
END/PAOLA/WIELKI