Sunday Jan 15, 2016
A Hard Rain
Weather or not, get ready for monsoons
Environment Canada/Voice file photo
he cold outbreak over the South Coast will finally end as mild Pacific air and rain move in on Monday...Many south coastal communities have had snow on the ground since December 5 but this is about to change.
The persistent blocking ridge over Western Canada that allowed cold Arctic air to settle along the coast will finally start to weaken on Monday.
This will allow a series of mild and very moist Pacific storms to move onshore. Satellite imagery shows a plume of moisture originating near the Philippines streaming towards the BC coast.
Rain associated with this plume is expected to begin on Monday and to become heavy at times Monday night. There is potential for an extended period of moderate to heavy rain continuing until Tuesday night or early Wednesday.
Areas along the immediate coast are expected to warm sufficiently so that precipitation begins as rain. Inland areas such as Port Alberni, Hope and Squamish could see a period of snow or freezing rain to begin with as mild air moves over the entrenched cold air.
Further inland in Whistler and along the Sea to Sky highway, precipitation will start as snow and slowly transition to rain Monday night.
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