389  
WWCN11 CWWG 012236  
SEVERE THUNDERSTORM WATCH  
FOR SOUTHERN MANITOBA  
UPDATED BY ENVIRONMENT CANADA  
AT 5:36 P.M. CDT MONDAY 1 SEPTEMBER 2025.  
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SEVERE THUNDERSTORM WATCH FOR:  
=NEW= ARBORG - HECLA - FISHER RIVER - GYPSUMVILLE - ASHERN  
STEINBACH - ST. ADOLPHE - EMERSON - VITA - RICHER  
R.M. OF BROKENHEAD INCL. BEAUSEJOUR AND GARSON  
R.M. OF SPRINGFIELD INCL. ANOLA AND BIRDS HILL PROV. PARK  
MORDEN - WINKLER - ALTONA - MORRIS  
WHITESHELL - LAC DU BONNET - PINAWA  
SPRAGUE - NORTHWEST ANGLE PROVINCIAL FOREST  
BRANDON - NEEPAWA - CARBERRY - TREHERNE  
KILLARNEY - PILOT MOUND - MANITOU  
MELITA - BOISSEVAIN - TURTLE MOUNTAIN PROVINCIAL PARK  
VIRDEN - SOURIS  
DAUPHIN - RUSSELL - ROBLIN - WINNIPEGOSIS  
MINNEDOSA - RIDING MOUNTAIN NATIONAL PARK  
STE. ROSE - MCCREARY - ALONSA - GLADSTONE  
SWAN RIVER - DUCK MOUNTAIN - PORCUPINE PROVINCIAL FOREST  
GRAND RAPIDS - WATERHEN.  
 
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==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS,  
LARGE HAIL AND HEAVY RAIN.  
 
THUNDERSTORMS HAVE DEVELOPED ACROSS SOUTHERN AND CENTRAL MANITOBA.  
SOME OF THESE THUNDERSTORMS WILL BECOME SEVERE. THUNDERSTORM  
ACTIVITY WILL CONTINUE THROUGH THE EVENING HOURS.  
 
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.  
 
STRONG WIND GUSTS CAN DAMAGE TREES, BUILDINGS AND OVERTURN VEHICLES.  
 
LARGE HAIL CAN CAUSE SIGNIFICANT DAMAGE AND INJURY.  
 
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  
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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