543
WWCN15 CWWG 172256
YELLOW WARNING - WINTER STORM
FOR SOUTHERN ALBERTA
UPDATED BY ENVIRONMENT CANADA
AT 3:56 P.M. MST WEDNESDAY 17 DECEMBER 2025.
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YELLOW LEVEL WARNING - WINTER STORM - FOR:
DRUMHELLER - THREE HILLS
BROOKS - STRATHMORE - VULCAN
S.A. 2 NEAR SUNNYNOOK
S.A. 2 NEAR CESSFORD WARDLOW AND POLLOCKVILLE
S.A. 3 NEAR BIG STONE CAPPON AND GOLD SPUR
M.D. OF ACADIA INCLUDING ACADIA VALLEY
MEDICINE HAT - BOW ISLAND - SUFFIELD
CYPRESS HILLS PROVINCIAL PARK - FOREMOST
LETHBRIDGE - TABER - MILK RIVER.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
HAZARDOUS WINTER CONDITIONS CONTINUE.
VERY LOW VISIBILITY IN BLOWING SNOW CONTINUES EAST OF CALGARY AND
ALONG HIGHWAY 1, IN WINDS GUSTING FROM 70 TO 120 KM/H, STRONGER
TOWARDS SASKATCHEWAN. THESE CONDITIONS WILL END THIS EVENING.
FROM HIGHWAY 3 TO THE US BORDER, FOR LOCATIONS SUCH AS MEDICINE HAT
AND LETHBRIDGE, BLOWING SNOW MAY BE LESS WIDESPREAD, BUT PERIODS OF
HEAVY SNOW MAY COMBINE WITH STRONG WINDS TO GENERATE VERY LOW
VISIBILITY LOCALLY.
ADDITIONALLY, TEMPERATURES HAVE RECENTLY DROPPED QUICKLY BELOW ZERO
IN THAT AREA. THERE, ANY REMAINING SLUSH OR POOLING WATER IS LIKELY
TO FREEZE AS TEMPERATURES DROP RAPIDLY THIS AFTERNOON AND EVENING.
VISIBILITY WILL LIKELY BE SUDDENLY REDUCED TO NEAR ZERO AT TIMES.
ROAD CLOSURES ARE POSSIBLE. PREPARE FOR QUICKLY CHANGING AND
DETERIORATING TRAVEL CONDITIONS.
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO
ABSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON X USING
(HASH)ABSTORM.
FOR MORE INFORMATION ABOUT THE ALERTING PROGRAM, PLEASE VISIT:
HTTPS://WWW.CANADA.CA/EN/SERVICES/ENVIRONMENT/WEATHER/SEVEREWEATHER/WEATHER-ALERTS/COLOUR-CODED-ALERTS.
HTTP://WEATHER.GC.CA
END/PASPC
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