851  
WUCN11 CWTO 152311  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 7:11 P.M. EDT WEDNESDAY 15 APRIL 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
NIAGARA FALLS - WELLAND - SOUTHERN NIAGARA REGION.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 8:09 P.M. EDT.  
 
AT 7:10 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING VERY STRONG WIND GUSTS AND  
UP TO NICKEL SIZE HAIL.  
 
A SEVERE THUNDERSTORM WAS LOCATED 10 KILOMETRES NORTHEAST OF PORT  
MAITLAND, MOVING EAST AT 70 KM/H.  
 
HAZARDS:  
- 90 KM/H WIND GUSTS.  
- NICKEL SIZE HAIL.  
 
LOCATIONS IMPACTED INCLUDE:  
FORT ERIE, PORT COLBORNE, WELLAND, ROCK POINT PROVINCIAL PARK, PORT  
MAITLAND, MOUNT CARMEL, LONG BEACH, WAINFLEET, CRYSTAL BEACH,  
STEVENSVILLE.  
 
LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT  
SHELTERS OR TREES IS LIKELY. TAKE IMMEDIATE COVER IF A THUNDERSTORM  
APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND  
HAIL. SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR  
OCCURRING THUNDERSTORMS ARE EXPECTED TO PRODUCE DAMAGING HAIL, WIND  
OR RAIN.  
 
EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER  
IMMEDIATELY IF THREATENING WEATHER APPROACHES.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA.  
 
TO REPORT SEVERE WEATHER IN ONTARIO, SEND AN EMAIL TO  
ONSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)ONSTORM.  
 
FOR MORE INFORMATION:  
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
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