WUCN16 CWWG 190436 YELLOW WARNING - SEVERE THUNDERSTORM FOR NORTHERN ALBERTA UPDATED BY ENVIRONMENT CANADA AT 10:36 P.M. MDT SATURDAY 18 JULY 2026. --------------------------------------------------------------------- YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR: =NEW= ATHABASCA CO. NEAR ATHABASCA AND ISLAND LAKE M.D. OF OPPORTUNITY NEAR CALLING AND ROCK ISLAND LAKES. --------------------------------------------------------------------- IMPACT LEVEL: MODERATE FORECAST CONFIDENCE: HIGH ==DISCUSSION== UPDATED OR ENDED BY 12:34 A.M. MDT. AT 10:35 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 30 KM 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