675  
WWCN11 CWNT 042125  
RAINFALL WARNING  
FOR THE GREAT SLAVE AND UPPER MACKENZIE AREAS  
ISSUED BY ENVIRONMENT CANADA  
AT 3:25 P.M. MDT MONDAY 4 AUGUST 2025.  
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RAINFALL WARNING FOR:  
=NEW= WRIGLEY REGION.  
 
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==DISCUSSION==  
 
HEAVY RAINFALL IN THE WRIGLEY AREA BEGINNING TONIGHT.  
 
TOTAL AMOUNTS NEAR 50 MM ARE LIKELY BY THE TIME THE RAIN TAPERS OFF  
TOMORROW AFTERNOON. LOCALIZED AREAS MAY SEE UP TO 70 MM.  
 
THIS RAIN EVENT WILL END ON TUESDAY EVENING.  
 
HEAVY DOWNPOURS CAN CAUSE FLASH FLOODS AND WATER POOLING ON ROADS.  
LOCALIZED FLOODING IN LOW-LYING AREAS IS POSSIBLE. WATCH FOR  
POSSIBLE WASHOUTS NEAR RIVERS, CREEKS AND CULVERTS. HEAVY RAINFALL  
IN COMBINATION WITH OTHER WEATHER FACTORS, SUCH AS HAIL, WIND AND  
LIGHTNING WILL MAKE OUTDOOR ACTIVITIES UNSAFE.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO  
NTSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON X USING  
(HASH)NTSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/PASPC  
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