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FXCN01 CWHF 060905
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 0930Z ON
FRIDAY 06 FEB
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KEY FORECAST POINTS:
- MODERATE TO STRONG NORTHERLY FLOW THIS EVENING AND AGAIN LATE
SATURDAY INTO SUNDAY.
- WIND CHILL NEAR MINUS 15 THIS MORNING.
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SHORT RANGE DISCUSSION FOR 0600Z 06 FEB TO 0400Z 08 FEB.
MODEL DISCUSSION: USED RDPS.
CONFIDENCE: HIGH.
COMMENTS/IMPACTS: AN AREA OF LOW PRESSURE IS FORECAST TO SLIDE WELL
SOUTH OF NOVA SCOTIA TODAY AND TONIGHT GIVING AN INCREASING
NORTHERLY FLOW TO THE REGION LATE TODAY. WINDS WILL EASE TOWARD
SATURDAY MORNING. THEN A SECOND AREA OF LOW PRESSURE WILL SLIDE
SOUTH OF NOVA SCOTIA LATE SATURDAY INTO SUNDAY. NORTHERLY WINDS
WILL INCREASE AGAIN IN RESPONSE TO THIS FEATURE. WIND CHILL NEAR
MINUS 15 THIS MORNING MODERATING TO MINUS 10 THIS AFTERNOON THEN
FALLING TO NEAR MINUS 12 TONIGHT. LIGHT FREEZING SPRAY CONDITIONS
OVER THE APPROACHES.
LONG RANGE DISCUSSION FOR 0400Z 08 FEB TO 0400Z 11 FEB.
MODEL DISCUSSION: USED GDPS.
CONFIDENCE: HIGH.
COMMENTS/IMPACTS: SERIES OF LOWS CHURNING SOUTH OF NS AROUND THE
GRAND BANKS INTO THE NORTH ATLANTIC. COLD UNSTABLE NORTHERLY FLOW
WITH CHANCE OF FLURRIES IS THE GENERAL PATTERN.
END/METOC-HFX
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