042
FXCN01 CWHF 120644
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
WEDNESDAY 12 AUG
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KEY FORECAST POINTS:
-CHANCE OF SHOWERS ON THURSDAY.
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SHORT-RANGE DISCUSSION FOR 0600Z 12 AUG TO 0300Z 14 AUG.
MODEL DISCUSSION: CONSULTED CHIEFLY HRDPS/RDPS.
CONFIDENCE: MEDIUM TO HIGH.
COMMENTS/IMPACTS: GENERALLY CLEAR AND CALM CONDITIONS WEDNESDAY AND
WEDNESDAY NIGHT. MODERATE AND SOMEWHAT GUSTY SOUTHWEST WINDS
EXPECTED THURSDAY AS A BROAD TROUGH MOVES INTO THE MARITIMES FROM
THE WEST AND BRINGS SCATTERED CONVECTION ALONG WITH IT.
LONG-RANGE DISCUSSION FOR 0300Z 14 AUG TO 0300Z 17 AUG.
MODEL DISCUSSION: CONSULTED CHIEFLY RDPS/GDPS.
CONFIDENCE: MEDIUM TO HIGH.
COMMENTS/IMPACTS: MODERATE AND GUSTY NORTHWEST WINDS CURRENTLY
EXPECTED FOR FRIDAY AND SATURDAY AS A LARGE RIDGE OF HIGH PRESSURE
PUSHES TOWARD THE MARITIMES FROM THE WEST. CHANCE OF SHOWERS FRIDAY
IN UNSTABLE CONDITIONS BUT THEN MAINLY SUNNY FOR SATURDAY AS THE
RIDGE MOVES CLOSER AND GIVES INCREASING ATMOSPHERIC STABILITY.
GENERALLY LIGHT WINDS POTENTIALLY BECOMING MODERATE SOUTHWESTERLIES
FOR SUNDAY AS CIRRUS CLOUD RIDES OVER THE REGION.
END/METOC-HFX
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