136
FXCN01 CWHF 212015
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
FRIDAY 21 AUG
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KEY FORECAST POINTS:
- CHANCE OF SHOWERS EARLY THIS EVENING
- RISK OF MVFR CEILINGS OVERNIGHT
- SHOWERS AND DRIZZLE SUNDAY AND MONDAY
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SHORT RANGE DISCUSSION FOR 1800Z 21 AUG TO 0300Z 23 AUG.
MODEL DISCUSSION: USED RDPS
CONFIDENCE: HIGH
COMMENTS/IMPACTS: CONVECTION OVER THE SPINE OF NOVA SCOTIA MAY DRIFT
TOWARDS THE COAST GIVING A CHANCE OF SHOWERS EARLY THIS EVENING.
SOME PATCHY MVFR CEILINGS MAY FORM OVERNIGHT. MAINLY CLOUDY BUT
MAINLY VFR CEILINGS ON SATURDAY.
LONG RANGE DISCUSSION FOR 0300Z 23 AUG TO 0300Z 26 AUG.
MODEL DISCUSSION: USED GDPS
CONFIDENCE: HIGH
COMMENTS/IMPACTS: AN APPROACHING TROUGH OF LOW PRESSURE WILL GIVE
SHOWERS OR DRIZZLE ON SUNDAY. THE TROPICAL AIRMASS WILL LIKELY GIVE
SHOWERS AT TIMES HEAVY. STRONG SOUTHEASTERLIES ARE EXPECTED ON
SUNDAY AS WELL. SHOWERS OR DRIZZLE CONTINUE ON MONDAY BUT AMOUNTS
ARE EXPECTED TO BE LESS AND THE WINDS DIMINISH TO LIGHT TO MODERATE
SOUTHERLY. CLEARING SKIES ARE EXPECTED ON TUESDAY IN THE WAKE OF
THE TROUGH WITH WINDS VEERING TO A DRIER MORE SOUTHWESTERLY
DIRECTION.
END/METOC-HFX
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