465
WWCN11 CWWG 092346
SEVERE WEATHER BULLETIN
ISSUED BY ENVIRONMENT CANADA
AT 6:46 PM CDT FRIDAY 9 OCTOBER 2009.
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WATCHES/WARNINGS IN EFFECT FOR SOUTHERN MANITOBA...
SNOWFALL WARNING FOR:
=NEW= SELKIRK - GIMLI - STONEWALL - WOODLANDS - ERIKSDALE
PORTAGE LA PRAIRIE - HEADINGLEY - BRUNKILD - CARMAN
ARBORG - HECLA - FISHER RIVER - GYPSUMVILLE - ASHERN.
SNOW CONTINUES OVER CENTRAL INTERLAKE REGION.
SNOWSQUALLS DEVELOPING OFF LAKE MANITOBA.
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WATCHES/WARNINGS ENDED FOR SOUTHERN MANITOBA...
SNOWFALL WARNING ENDED FOR:
STE. ROSE - MCCREARY - ALONSA - GLADSTONE.
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==DISCUSSION==
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.
MEANWHILE 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. AT 630 PM RADAR INDICATED
TWO MAIN SNOW BANDS EXTENDING FROM THE ST AMBROISE AREA SOUTHEASTWARD
TO THE TRANSCANADA JUST WEST OF WINNIPEG. 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.
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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