434  
WWCN13 CWVR 290007  
YELLOW WATCH - SEVERE THUNDERSTORM  
FOR INTERIOR AND NORTHERN BRITISH COLUMBIA  
ISSUED BY ENVIRONMENT CANADA  
AT 5:07 P.M. PDT THURSDAY 28 MAY 2026.  
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:  
=NEW= CENTRAL OKANAGAN - INCLUDING KELOWNA  
=NEW= SIMILKAMEEN  
=NEW= NICOLA  
=NEW= BOUNDARY.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING HEAVY RAIN.  
 
WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND  
INJURES CANADIANS EVERY YEAR. HEAVY RAIN CAN CAUSE FLASH FLOODING  
AND SIGNIFICANT REDUCTIONS TO VISIBILITY. SEVERE THUNDERSTORM  
WATCHES ARE ISSUED WHEN CONDITIONS ARE FAVOURABLE FOR THE  
DEVELOPMENT OF THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING HAIL,  
WIND OR RAIN.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO  
BCSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)BCSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/PSPC  
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