A strong and persistent ridge of high pressure has been lying over BC for the past five days or so. With a temperature inversion aloft giving warm temperatures to the mountains and colder readings in the valleys, pollutants have been trapped near the surface. Also with light winds having little effect in dispersing smoke particulates, air quality advisories have been issued for many locations in the province. The situation is starting to improve though as a flow from the west starts to develop. Weak systems will give some improvement in air quality today (November 19th) and Thursday. A fairly strong Pacific disturbance will bring  gusty winds and increasing instability on the Coast Friday morning spreading to the Interior in the afternoon. For a quick study on the current weather pattern have a look at Cliff Mass’s blog. He targets northwest Washington State but it is applicable to the south coast of BC as well.

 

Click on the map to get an animation. To get a close up animation of the Eastern Pacific and Western North America click here (Thanks to University of Northern BC )

Refresh page to get current image. The view is of Rathtrevor Beach near Parksville supplied by the Beach Acres Resort. Click on image to access webcams throughout BC and the Yukon.

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