957
FXCN01 CWHF 091940
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
TUESDAY 09 JUNE
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KEY FORECAST POINTS:
- CLEARING TONIGHT WITH GENERALLY LIGHT WINDS.
- SUNNY WEDNESDAY MORNING WITH INCREASING CLOUD AND A LIGHT TO
MODERATE SOUTHWEST WIND IN THE AFTERNOON.
- OFFSHORE/COASTAL CLOUD AND FOG PATCHES FOR THURSDAY AND FRIDAY.
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SHORT RANGE DISCUSSION FOR 1800Z 09 JUNE TO 0300Z 11 JUNE.
MODEL DISCUSSION: USED RDPS.
CONFIDENCE: HIGH.
COMMENTS/IMPACTS: A RIDGE OF HIGH PRESSURE LIES SOUTH OF NOVA
SCOTIA AND THE REGION LIES IN A MODERATE TO OCCASIONALLY STRONG
SOUTHWESTERLY FLOW. A SMALL SCALE WEAK TROUGH IS SHOWN BY THE RDPS
TO DROP OVER EASTERN NOVA SCOTIA THIS EVENING AND WINDS VEER TO A
LIGHT NORTHWEST BEHIND IT. ONCE THE TROUGH MOVES OFF OVERNIGHT A
LIGHT GENERALLY WESTERLY FLOW IS FORECAST. PATCHY MID CLOUD MOVES
OFF OVERNIGHT AS WELL.
ON WEDNESDAY THE LIGHT WESTERLY FLOW BACKS TO A LIGHT TO MODERATE
SOUTHWEST AND THE DAY BEGINS AS MAINLY SUNNY. HOWEVER MID AND HIGH
CLOUD IS FORECAST TO MOVE DROP IN FROM THE NORTHWEST IN THE
AFTERNOON.
LONG RANGE DISCUSSION FOR 0300Z 11 JUNE TO 0300Z 14 JUNE.
MODEL DISCUSSION: USED GDPS.
CONFIDENCE: GENERALLY HIGH.
COMMENTS/IMPACTS: THE SOUTHWEST FLOW LOOKS TO BACK TO THE SOUTH ON
THURSDAY AND AN AREA OF SHOWERS PASSES BY JUST SOUTH OF THE HALIFAX
AREA NEAR MID DAY. SIGNIFICANT LOW LEVEL MOISTURE IS EXPECTED AND
STRATUS AND FOG SEEMS LIKELY ALONG THE COAST. A MIX OF SUN AND
CLOUD IS FORECAST BUT IF THE LOW CLOUD SPREADS FURTHER INLAND A
FAIRLY CLOUDY DAY IS POSSIBLE FOR THE HALIFAX HARBOUR REGION.
ON FRIDAY AND CONTINUING INTO SATURDAY A WEST TO EAST TROUGH
DEVELOPS SOUTH OF NOVA SCOTIA. WITH WIDESPREAD STRATUS AND FOG
ALONG
THE COAST IT COULD BE CLOUDY AND COOLER AT THE COAST AND MUCH
WARMER WITH MORE SUN INLAND. A CHANCE OF SHOWERS IS POSSIBLE ON
SATURDAY.
END/METOC-HFX
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