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FXCN01 CWHF 092005
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
THURSDAY 09 JULY
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NO CHANGE FROM THE PREVIOUS FORECAST DISCUSSION.
PREVIOUS...
KEY FORECAST POINTS:
-RISK OF A THUNDERSTORM ON FRIDAY.
-FOG AND MIST LIKELY LINGERING OVER APPROACHES FOR SHORT-RANGE.
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SHORT-RANGE DISCUSSION FOR 1800Z 09 JULY TO 0300Z 11 JULY.
MODEL DISCUSSION: CONSULTED CHIEFLY HRDPS/RDPS.
CONFIDENCE: HIGH.
COMMENTS/IMPACTS: A LOW-PRESSURE SYSTEM SOUTHEAST OF NOVA SCOTIA WILL
CONTINUE TO MOVE OFF TO THE EAST AS A TROUGH APPROACHES FROM THE
WEST FOR FRIDAY. NIL SIGNIFICANT WEATHER IN A CLEARING TREND
EXPECTED TODAY EXCEPT FOR SOME PATCHY FOG AND MIST OVER THE
APPROACHES. INCREASING CLOUDINESS TONIGHT AS THE TROUGH
APPROACHES, WITH FOG AND MIST REDEVELOPING OVER THE REGION
OVERNIGHT. CHANCE OF SHOWERS AND RISK OF A THUNDERSTORM FROM THE
TROUGH LATE FRIDAY MORNING AND FRIDAY AFTERNOON THEN LIKELY ANOTHER
CLEARING TREND INTO FRIDAY EVENING.
LONG-RANGE DISCUSSION FOR 0300Z 11 JULY TO 0300Z 14 JULY.
MODEL DISCUSSION: CONSULTED CHIEFLY RDPS/GDPS/GFS.
CONFIDENCE: HIGH.
COMMENTS/IMPACTS: GENERALLY BROAD PRESSURE GRADIENT EXPECTED OVER
THE REGION FOR THE LONG-RANGE PERIOD, KEEPING WINDS GENERALLY
LIGHT. MIX OF SUN AND CLOUD WITH A CHANCE OF AFTERNOON SHOWERS FROM
DAYTIME HEATING SATURDAY, THEN MAINLY SUNNY CONDITIONS EXPECTED FOR
SUNDAY AND MONDAY AS A LARGE RIDGE OF HIGH PRESSURE PUSHES INTO THE
MARITIMES FROM THE WEST.
END/METOC-HFX
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