140
WWCN11 CWWG 092037
SEVERE WEATHER BULLETIN
ISSUED BY ENVIRONMENT CANADA
AT 3:37 PM CDT FRIDAY 9 OCTOBER 2009.
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WATCHES/WARNINGS IN EFFECT FOR SOUTHERN MANITOBA...
SNOWFALL WARNING FOR:
=NEW= PORTAGE LA PRAIRIE - HEADINGLEY - BRUNKILD - CARMAN
DAUPHIN - ROBLIN - WINNIPEGOSIS
MINNEDOSA - NEEPAWA - RUSSELL - RIDING MOUNTAIN NATIONAL PARK
STE. ROSE - MCCREARY - ALONSA - GLADSTONE
ARBORG - HECLA - FISHER RIVER - GYPSUMVILLE - ASHERN.
10 TO 25 CM OF SNOW EXPECTED OVER EASTERN PORTIONS OF THE
PARKLANDS AND CENTRAL INTERLAKE BY TONIGHT.
SNOWSQUALLS EXPECTED OVER PORTAGE REGION TONIGHT.
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==DISCUSSION==
A LOW PRESSURE SYSTEM OVER LAKE WINNIPEG IS BRINGING LOCALLY HEAVY
SNOW TO WESTERN MANITOBA AND THE CENTRAL INTERLAKE TODAY. AS OF 3 PM
SNOWFALL AMOUNTS OF 10 TO 15 CM WERE REPORTED ACROSS THE WARNING AREA
INCLUDING 15 CM IN STE ROSE AND 13 CM IN MCCREARY. MANITOBA HIGHWAYS
REPORTS SLUSHY AND SNOW COVERED ROADS IN THE AREA WITH SLIPPERY
CONDITIONS AND REDUCED VISIBILITY. TRAVEL IS NOT ADVISED IN SOME
AREAS.
SNOW WILL CONTINUE ACROSS THE WARNING AREA THIS AFTERNOON BEFORE
TAPERING OFF THIS EVENING. ANOTHER 5 CM IS POSSIBLE ESPECIALLY ALONG
THE EASTERN SLOPES OF RIDING MOUNTAIN NATIONAL PARK INTO THE CENTRAL
INTERLAKE. STORM TOTALS OF 10 TO 20 CM ARE LIKELY BY THE TIME THE
SNOW TAPERS OFF TONIGHT.
MEANWHILE COLD NORTHWEST WINDS BLOWING OVER THE RELATIVELY WARM
WATERS OF LAKE MANITOBA ARE EXPECTED TO PRODUCE LOCALIZED BANDS OF
LAKE EFFECT SNOW OVER THE PORTAGE LA PRAIRIE REGION THIS EVENING AND
TONIGHT. THE SNOW BANDS WILL BE NARROW BUT LOCALLY INTENSE GIVING
LOCAL WHITEOUT CONDITIONS AT TIMES. THE HEAVIEST BAND IS EXPECTED TO
DEVELOP BETWEEN WINNIPEG AND PORTAGE LA PRAIRIE WITH LOCAL AMOUNTS OF
10 TO 15 CM POSSIBLE TONIGHT. 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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