067
WUCN16 CWWG 190441
YELLOW WARNING - SEVERE THUNDERSTORM
FOR NORTHERN ALBERTA
UPDATED BY ENVIRONMENT CANADA
AT 10:41 P.M. MDT SATURDAY 18 JULY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= ATHABASCA CO. NEAR ROCHESTER COLINTON AND MEANOOK
=NEW= ATHABASCA CO. NEAR GRASSLAND AND ATMORE
=NEW= ATHABASCA CO. NEAR BOYLE AND CASLAN
ATHABASCA CO. NEAR ATHABASCA AND ISLAND LAKE.
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:
M.D. OF OPPORTUNITY NEAR CALLING AND ROCK ISLAND LAKES.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 12:39 A.M. MDT.
AT 10:40 P.M. MDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING AN
AREA OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WIND
GUSTS, LOONIE TO PING PONG BALL SIZE HAIL AND VERY HEAVY RAIN.
THIS AREA OF SEVERE THUNDERSTORMS IS LOCATED FROM ATHABASCA TO SOUTH
OF CALLING LAKE AND IS MOVING EAST AT 20 KM/H.
HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO
VISIBILITY. LARGE HAIL MAY CAUSE SIGNIFICANT DAMAGE AND INJURY. TAKE
IMMEDIATE COVER IF A THUNDERSTORM APPROACHES. IF OUTSIDE, PROTECT
YOURSELF FROM FLYING DEBRIS AND HAIL. WHEN THUNDER ROARS, GO
INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES CANADIANS
EVERY YEAR. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. SEVERE
THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR OCCURRING
THUNDERSTORMS ARE EXPECTED TO PRODUCE DAMAGING HAIL, WIND OR RAIN.
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.
HTTP://WEATHER.GC.CA
END/PASPC
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