343
FXCN01 CWHF 260811
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
SUNDAY 26 OCT
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KEY FORECAST POINTS:
- VFR FLYING CONDITIONS TODAY
- MVFR CEILINGS POSSIBLE TONIGHT AND MONDAY
- A CHANCE OF SHOWERS TONIGHT AND MONDAY
===================================================================
SHORT RANGE DISCUSSION FOR 0600Z 26 OCT TO 0300Z 28 OCT.
MODEL DISCUSSION: USED RDPS
CONFIDENCE: HIGH
COMMENTS/IMPACTS: VFR FLYING CONDITIONS EXPECTED TODAY WITH A CHANCE
OF LATE AFTERNOON CONVECTION GIVING A BRIEF SHOWER OR TWO. THE
CHANCE OF SHOWERS INCREASES TONIGHT AND INTO MONDAY AS A LOW
PRESSURE CENTRE BACKS ITSELF OVER NOVA SCOTIA FROM THE EAST.
CEILINGS MAY LOWER TO MVFR TONIGHT AND MONDAY.
LONG RANGE DISCUSSION FOR 0300Z 28 OCT TO 0300Z 31 OCT.
MODEL DISCUSSION: USED GDPS
CONFIDENCE: HIGH
COMMENTS/IMPACTS: THE MID-WEEK PRESSURE PATTERNS CONTINUES TO SEE A
LARGE AREA OF LOW PRESSURE TO THE SOUTH WITH A LARGE AREA OF HIGH
PRESSURE TO THE NORTH. THIS WILL BRING A MODERATE TO STRONG
NORTHERLY FLOW WHICH DIMINISHES TO MODERATE NORTHEASTERLY AND THEN
LIGHT ON THURSDAY. ON TUESDAY THE STRONGER NORTHERLY FLOW GIVES
MAINLY CLOUDY SKIES WITH A CHANCE OF SHOWERS BEFORE THE LOW SINKS
FURTHER SOUTH. AS THE LOW SINKS AND THE AREA OF HIGH PRESSURE
BUILDS FROM THE NORTH A GENERAL MIX OF SUN AND CLOUD CAN BE
EXPECTED FOR WEDNESDAY AND THURSDAY.
END/METOC-HFX
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