979  
WWCN11 CWWG 100233  
SEVERE WEATHER BULLETIN  
ISSUED BY ENVIRONMENT CANADA  
AT 9:33 PM CDT FRIDAY 9 OCTOBER 2009.  
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WATCHES/WARNINGS IN EFFECT FOR SOUTHERN MANITOBA...  
 
SNOWFALL WARNING FOR:  
=NEW= CITY OF WINNIPEG  
SELKIRK - GIMLI - STONEWALL - WOODLANDS - ERIKSDALE  
PORTAGE LA PRAIRIE - HEADINGLEY - BRUNKILD - CARMAN  
ARBORG - HECLA - FISHER RIVER - GYPSUMVILLE - ASHERN.  
 
10 CM OF SNOW FOR THE WESTERN PART OF WINNIPEG. SNOW CONTINUES  
OVER CENTRAL INTERLAKE REGION. SNOWSQUALLS OFF LAKE MANITOBA.  
 
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==DISCUSSION==  
AS OF 9 PM SNOW CONTINUES TO FALL OVER THE CITY OF WINNIPEG..WITH  
ABOUT 4 CM ACCUMULATION AT THE WEATHER OFFICE LOCATED DOWNTOWN.  
SNOWFALL IN THE WESTERN HALF OF THE CITY IS BEING ENHANCED BY A  
LAKE-EFFECT STREAMER COMING OFF LAKE MANITOBA..THUS MORE SNOWFALL IS  
ANTICIPATED HERE AND 10 CM ACCUMULATION IS LIKELY TONIGHT.  
A SNOWFALL WARNING HAS THUS BEEN ISSUED FOR THE CITY OF WINNIPEG.  
OTHER PARTS OF THE CITY WILL SEE LESSER ACCUMULATION..WITH ABOUT 5 CM  
BEING AVERAGE.  
 
MEANWHILE SNOW CONTINUES TO FALL THIS EVENING OVER PORTIONS OF  
SOUTHERN MANITOBA WITH THE BULK OF THE HEAVIEST SNOW ACROSS THE  
CENTRAL INTERLAKE THROUGH THE FISHER BRANCH..ARBORG AND HECLA AREAS.  
ANOTHER 5 CM OF SNOW IS LIKELY THIS EVENING BEFORE IT TAPERS OFF WITH  
STORM TOTALS OF 10 TO 20 CM LIKELY.  
 
AS MENTIONED ABOVE COLD NORTHWEST WINDS BLOWING OVER THE RELATIVELY  
WARM WATERS OF LAKE MANITOBA ARE PRODUCING LOCALIZED BANDS OF LAKE  
EFFECT SNOW TO THE SOUTHEAST OF LAKE MANITOBA. THESE NARROW BUT  
LOCALLY INTENSE LAKE EFFECT BANDS WILL PRODUCE WHITEOUT CONDITIONS AT  
TIMES WITH LOCAL SNOWFALL AMOUNTS OF 10 TO 15 CM POSSIBLE TONIGHT  
NORTHWEST OF THE CITY OF WINNIPEG. THE MAIN BANDS ARE EXPECTED TO  
SET UP ALONG HIGHWAY 6 FROM ST LAURENT THROUGH WOODLANDS AS WELL AS  
WEST OF WINNIPEG TOWARDS ELIE. NOTE THAT THE REMAINDER OF THE  
SELKIRK GIMLI AND PORTAGE REGIONS AWAY FROM LAKE MANITOBA WILL  
RECEIVE LESS AMOUNTS OF SNOW. THE LAKE EFFECT SNOWBANDS ARE EXPECTED  
TO WEAKEN BY MORNING.  
 
PLEASE REFER TO THE LATEST PUBLIC FORECASTS FOR FURTHER DETAILS.  
 
END  
 
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