270
WUCN12 CWTO 202120
YELLOW WARNING - SEVERE THUNDERSTORM
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 5:20 P.M. EDT MONDAY 20 JULY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= MARATHON - SCHREIBER
NIPIGON - ROSSPORT.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
UPDATED OR ENDED BY 7:18 P.M. EDT.
AT 5:19 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND UP
TO QUARTER SIZE HAIL.
LOCATION: NEAR NIPIGON
MOTION: MOVING EAST AT 50 KM/H
HAZARDS:
WIND: DAMAGING (90 - 110 KM/H)
HAIL: LOONIE TO PING PONG BALL SIZE (2.5 TO 4.5 CM)
LOCATIONS IN THE PATH:
NIPIGON
RED ROCK
A SECOND SEVERE THUNDERSTORM IS LOCATED: NEAR PAYS PLAT
MOTION: MOVING EAST AT 50 KM/H
HAZARDS:
WIND: DAMAGING (90 - 110 KM/H)
HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM)
LOCATIONS IN THE PATH:
ROSSPORT
RAINBOW FALLS PROVINCIAL PARK
SCHREIBER
OWL LAKE
LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT
SHELTERS OR TREES IS LIKELY. 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
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, 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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