573  
FXCN01 CWHF 082010  
 
FORECAST DISCUSSION FOR OPS AREA ALPHA AND THE ECHOES, CFB HALIFAX  
PROPERTIES AND 12 WING SHEARWATER ISSUED BY AVIATION AND DEFENCE  
SERVICES OF ENVIRONMENT AND CLIMATE CHANGE CANADA AT 2030Z ON  
TUESDAY 08 SEP  
 
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KEY FORECAST POINTS:  
 
- CHANCE OF SHOWERS THIS EVENING  
- STRONG AND GUSTY NORTHWESTERLIES TONIGHT  
- INCREASING CLOUDINESS ON WEDNESDAY  
- SHOWERS ON THURSDAY  
 
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SHORT RANGE DISCUSSION FOR 1800Z 08 SEP TO 0300Z 10 SEP.  
MODEL DISCUSSION: USED RDPS  
CONFIDENCE: HIGH  
COMMENTS/IMPACTS: A TROUGH OF LOW PRESSURE WILL USHER IN COOLER AIR  
TONIGHT ALONG WITH A STRONG AND GUSTY NORTHWEST FLOW. A CHANCE OF  
SHOWERS CAN BE EXPECTED THIS EVENING IN ADVANCE OF THE TROUGH.  
WINDS DIMINISH AND BACK TO THE SOUTHWEST ON WEDNESDAY AS ANOTHER  
APPROACHING TROUGH BRINGS INCREASING CLOUDINESS.  
 
LONG RANGE DISCUSSION FOR 0300Z 10 SEP TO 0300Z 13 SEP.  
MODEL DISCUSSION: USED GDPS  
CONFIDENCE: HIGH  
COMMENTS/IMPACTS: THE TROUGH OF LOW PRESSURE PUSHES THROUGH ON  
THURSDAY GIVING STRONG TO GALE FORCE SOUTHERLIES ALONG WITH  
SHOWERS. CONDITIONS IMPROVE LATER IN THE DAY AS THE TROUGH DEPARTS.  
FRIDAY AND SATURDAY SHOULD BE PLEASANT SEPTEMBER DAYS WITH A FAIR  
BIT OF SUNSHINE.  
 
END/METOC-HFX  
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