365  
WUCN11 CWWG 022221  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN MANITOBA  
UPDATED BY ENVIRONMENT CANADA  
AT 5:21 P.M. CDT TUESDAY 2 JUNE 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
=NEW= R.M. OF THOMPSON INCL. MIAMI ROSEBANK AND DEERWOOD  
R.M. OF STANLEY INCL. WINKLER AND MORDEN  
MUN. OF PEMBINA INCL. MANITOU LA RIVIERE AND SNOWFLAKE.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 7:19 P.M. CDT.  
 
AT 5:20 P.M. CDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WIND GUSTS, UP TO  
QUARTER SIZE HAIL AND HEAVY RAIN.  
 
THUNDERSTORM LOCATION: EAST OF TREHERNE TO THE INTERNATIONAL BORDER.  
 
MOTION: MOVING NORTHEAST AT 40 KM/H  
 
HAZARDS:  
WIND: DAMAGING (90 - 110 KM/H)  
HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM)  
RAIN: HEAVY (15 - 50 MM)  
 
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  
MBSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON X USING  
(HASH)MBSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/PASPC  
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