946  
FXCN01 CWHF 101901  
 
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  
THURSDAY 10 JULY  
 
===================================================================  
KEY FORECAST POINTS:  
-CHANCE OF SHOWERS TONIGHT.  
-SHOWERS LIKELY FRIDAY MORNING WITH MODERATE EASTERLY WINDS IN THE  
MORNING.  
-IMPROVING CONDITIONS FRIDAY NIGHT AND CONTINUING INTO WEEKEND.  
 
===================================================================  
SHORT-RANGE DISCUSSION FOR 1800Z 10 JULY TO 0300Z 12 JULY.  
MODEL DISCUSSION: CONSULTED CHIEFLY HRDPS/RDPS.  
CONFIDENCE: MEDIUM.  
COMMENTS/IMPACTS: AREA OF LOW PRESSURE APPROACHING TONIGHT TO BRING  
A CHANCE OF SHOWERS AND PATCHY FOG AND MIST. MOST MODELS GIVING A  
FEW SHOWERS FOR HALIFAX AREA BY EARLY FRIDAY MORNING AND DONE BY  
NOON WITH EASTERLY WINDS PICKING UP TO GUSTS TO 20KT OVER THE  
APPROACHES TO HALIFAX HARBOUR. THE SYSTEM MOVES EAST OF THE REGION  
FRIDAY AFTERNOON AND CHANCE OF SHOWERS ENDS, WINDS EASE FROM THE  
NORTH AND PATCHY FOG AND MIST DISSIPATE.  
 
LONG-RANGE DISCUSSION FOR 0300Z 12 JULY TO 0300Z 15 JULY.  
MODEL DISCUSSION: CONSULTED CHIEFLY RDPS/GDPS/GFS.  
CONFIDENCE: HIGH FOR SAT AND SUN. MEDIUM FOR MONDAY.  
COMMENTS/IMPACTS: A RIDGE OF HIGH PRESSURE DOMINATES SAT AND SUN. ON  
MONDAY MOST MODELS ARE SHOWING AN AREA OF LOW PRESSURE MOVING ALONG  
THE SOUTHWESTERN FLANK OF THE RIDGE TOWARD NOVA SCOTIA. A MIX OF  
SUN AND CLOUD IS THE CURRENT EXPECTATION FOR HALIFAX, WITH MEDIUM  
CONFIDENCE.  
 
END/METOC-HFX  
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