599  
FXCN01 CWHF 260810  
 
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 0830Z ON  
TUESDAY 26 MAY  
 
===================================================================  
KEY FORECAST POINTS:  
 
- CLEARING SKIES THIS MORNING  
- CHANCE OF SHOWERS OVERNIGHT AND WEDNESDAY  
- SHOWERS ON THURSDAY  
 
===================================================================  
SHORT RANGE DISCUSSION FOR 0600Z 26 MAY TO 0300Z 28 MAY.  
MODEL DISCUSSION: USED RDPS  
CONFIDENCE: HIGH  
COMMENTS/IMPACTS: SKIES CLEAR THIS MORNING IN THE WAKE OF A TROUGH  
OF LOW PRESSURE. CLOUDS BUILD ONCE AGAIN TONIGHT WITH A CHANCE OF  
SHOWERS LINGERING INTO WEDNESDAY.  
 
LONG RANGE DISCUSSION FOR 0300Z 28 MAY TO 0300Z 31 MAY.  
MODEL DISCUSSION: USED GDPS  
CONFIDENCE: HIGH  
COMMENTS/IMPACTS: ON THURSDAY A LOW PRESSURE CENTRE SETTLES SOUTH OF  
NOVA SCOTIA GIVING A STRONG NORTHEAST FLOW ALONG WITH SHOWERS. THIS  
LOW INTENSIFIES BUT MOVES OFF TO THE EAST ON FRIDAY GIVING A MIX OF  
SUN AND CLOUD ALONG WITH A MODERATE NORTHERLY FLOW. A WEAK RIDGE OF  
HIGH PRESSURE WILL MAINTAIN A MIX OF SUN AND CLOUD ON SATURDAY  
ALONG WITH LIGHT WINDS.  
 
END/METOC-HFX  
 
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