942  
WWCN03 CYTR 190130  
WEATHER BULLETIN FOR 17 WING CFB WINNIPEG PREPARED BY THE JOINT  
METEOROLOGICAL CENTRE AT 8:30 PM CDT WEDNESDAY 18 JUNE 2025.  
 
LOCATION: 17 WING CFB WINNIPEG (CYWG)  
 
TYPE: THUNDERSTORM WARNING ENDED  
 
TYPE: THUNDERSTORM ADVISORY IN EFFECT  
DESCRIPTION: THUNDERSTORMS WITH THE POTENTIAL FOR CLOUD TO GROUND  
LIGHTNING ARE EXPECTED WITHIN 30 NM  
VALID: UNTIL 19/0600Z (UNTIL 19/0100 CDT)  
 
COMMENTS: THUNDERSTORM WARNING ENDED. THUNDERSTORM ADVISORY  
CONTINUED. THE THUNDERSTORM WHICH WARRANTED A WARNING HAS NOW PASSED  
SOUTHEAST OF THE BASE, AND LIGHTNING WITHIN 5 NM IS NO LONGER  
IMMINENT.  
 
HOWEVER, THE ENVIRONMENT REMAINS FAVOURABLE FOR FURTHER THUNDERSTORM  
DEVELOPMENT WITHIN 30 NM UNTIL TONIGHT.  
 
THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE HEAVY DOWNPOURS,  
PEA-SIZED HAIL AND STRONG WIND GUSTS TO 30 KNOTS.  
 
NEXT UPDATE: THIS BULLETIN WILL BE UPDATED BY 19/0600Z (19/0100 CDT)  
 
END/JMC  
 
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