919
WUCN11 CWTO 022359
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 7:59 P.M. EDT THURSDAY 2 JULY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
NIAGARA.
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:
CITY OF HAMILTON.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 9:58 P.M. EDT.
AT 7:59 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A
CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WIND
GUSTS, UP TO QUARTER SIZE HAIL AND VERY HEAVY RAIN.
THUNDERSTORM LOCATION:
NEAR ALLEN'S CORNERS
MOTION: MOVING SOUTHEAST AT 30 KM/H
HAZARDS:
HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM)
RAIN: HEAVY (25 - 50 MM)
WIND: DAMAGING (90 KM/H)
LOCATIONS IN THE PATH:
SMITHVILLE, VINELAND, FENWICK, ST. CATHARINES, SHORT HILLS
PROVINCIAL PARK, FONTHILL, THOROLD, WELLAND, NIAGARA FALLS
HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO
VISIBILITY. TAKE IMMEDIATE COVER IF A THUNDERSTORM APPROACHES. IF
OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND HAIL. DON'T DRIVE
THROUGH FLOODED ROADWAYS. 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
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