912  
WUCN15 CWWG 182345  
SEVERE THUNDERSTORM WARNING  
FOR SOUTHERN ALBERTA  
UPDATED BY ENVIRONMENT CANADA  
AT 5:45 P.M. MDT WEDNESDAY 18 JUNE 2025.  
---------------------------------------------------------------------  
SEVERE THUNDERSTORM WARNING FOR:  
CO. OF NEWELL NEAR BROOKS ROSEMARY AND DUCHESS.  
 
SEVERE THUNDERSTORM WARNING ENDED FOR:  
CO. OF NEWELL NEAR BASSANO.  
 
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==DISCUSSION==  
 
UPDATED OR ENDED BY 7:43 P.M. MDT.  
 
AT 5:44 P.M. MDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING VERY STRONG WIND GUSTS, UP  
TO NICKEL SIZE HAIL AND HEAVY RAIN.  
 
THIS SEVERE THUNDERSTORM IS LOCATED NEAR ROSEMARY AND MOVING TO THE  
EAST AT 30 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.  
 
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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