256  
WWCN16 CWHX 312109  
SEVERE THUNDERSTORM WATCH  
FOR NEWFOUNDLAND  
UPDATED BY ENVIRONMENT CANADA  
AT 6:39 P.M. NDT SUNDAY 31 AUGUST 2025.  
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SEVERE THUNDERSTORM WATCH FOR:  
=NEW= GRAND FALLS-WINDSOR AND VICINITY  
BUCHANS AND THE INTERIOR  
BURGEO - RAMEA.  
 
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==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE  
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS AND  
HEAVY RAIN.  
 
LOCATIONS: INTERIOR NEWFOUNDLAND.  
 
POTENTIAL RAINFALL RATES: LOCALLY 15 TO 25 MM PER HOUR IN  
THUNDERSTORMS.  
 
TIME SPAN: UNTIL THIS EVENING.  
 
REMARKS: A NEW CLUSTER OF THUNDERSTORMS HAS FORMED NEAR BADGER AND  
IS TRACKING TOWARDS GRAND FALLS-WINDSOR.  
 
SEVERAL OTHER CLUSTERS OF THUNDERSTORMS ARE TRACKING SLOWLY  
EAST-NORTHEASTWARD OVER THE INTERIOR OF THE ISLAND. THESE STORMS  
HAVE THE POTENTIAL TO BECOME SEVERE WITH INTENSE RAINFALL RATES.  
PORTIONS OF THE BURGEO HIGHWAY AROUND PETER STRIDES POND MAY BE  
IMPACTED BY THESE STORMS, AS WELL AS LOCATIONS SUCH AS VALENTINE'S  
LAKE AND PARTS OF THE BAY D'ESPOIR HIGHWAY.  
 
SOME OF THESE THUNDERSTORMS MAY PRODUCED SMALL HAIL.  
 
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.  
 
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  
NLSTORM(AT)EC.GC.CA OR POST REPORTS ON X USING (HASH)NLWX.  
 
HTTP://WEATHER.GC.CA  
 
END/NLWO  
 
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