890  
WWCN02 CYTR 211736  
WEATHER BULLETIN FOR CFB PETAWAWA PREPARED BY THE JOINT  
METEOROLOGICAL CENTRE AT 1:36 PM EDT FRIDAY 21 SEPTEMBER 2018.  
 
LOCATION: CFB PETAWAWA (CYWA)  
 
TYPE: THUNDERSTORM ADVISORY IN EFFECT  
DESCRIPTION: THUNDERSTORMS WITH THE POTENTIAL FOR CLOUD TO GROUND  
LIGHTNING ARE EXPECTED WITHIN 30 NM  
VALID: 21/1800Z TO 21/2300Z (21/1400 EDT TO 21/1900 EDT)  
 
TYPE: GUST SPREAD WARNING IN EFFECT  
DESCRIPTION: GUST SPREAD OF 15 KNOTS OR GREATER  
VALID: UNTIL 22/1000Z (UNTIL 22/0600 EDT)  
 
COMMENTS: OCCASIONAL THUNDERSTORM CELLS ARE EXPECTED TO MOVE  
THROUGH THE AREA THIS AFTERNOON GIVING LIGHTNING STRIKES WITHIN 30  
NM OF THE BASE. STRIKES MAY ALSO OCCUR WITHIN 5 NM AND A WARNING  
WILL BE ISSUED AS NEEDED.  
THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE HEAVY DOWNPOURS,  
HAIL AND WIND GUSTS OF 35 KNOTS.  
 
A GUST SPREAD OF 15 KNOTS IS EXPECTED AT TIMES THROUGHOUT THE DAY  
AND INTO TONIGHT BEFORE WIND TAPERS OFF OVERNIGHT.  
 
NEXT UPDATE: THIS BULLETIN WILL BE UPDATED BY 21/2300Z (21/1900 EDT)  
 
END/JMC  
 
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