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Why Vancouver will get rain but not the rainfall alert like the rest of the region

One area seems to be escaping the incoming storm: Vancouver. Here's why.
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Rainy weather is expected in Vancouver's forecast for this week, but it won't be as bad as communities north of the city.

On Environment Canada's map of the west coast weather alerts have been issued for much of Canada's Pacific shore, but one area in the south seems to be escaping the incoming storm.

Vancouver and Victoria.

While up to 70 mm has been predicted for areas as close as Howe Sound (along with some significant wind), the Lower Mainland and Southern Vancouver Island are escaping much of the fall fury coming Tuesday and Wednesday.

That's simply because of the size, shape, and direction of the storm, says Environment Canada meteorologist Alyssa Charbonneau. This particular front is heading for Haida Gwaii and the north coast of B.C. Western Vancouver Island and the Sunshine Coast will also catch much of that rain, but Metro Vancouver is just on the edge of the system.

"We do have a frontal band bringing rain to the west side of Vancouver Island, inland Vancouver Island, and the Sunshine Coast and Howe Sound," she tells V.I.A. "But it'll be fairly stationary."

"In Vancouver, we are just on the southern edge of that frontal band."

That means rain Tuesday night, Oct. 17, and a wet Wednesday, but not significant amounts of precipitation for Raincouver.

"For the city of Vancouver area, and this is for Burnaby and New West as well, there'll be about 5 mm today, 10-15 tonight and another 5 tomorrow," says Charbonneau.

In total most people might see 20 mm of rain in those areas. North Vancouver, Maple Ridge, Coquitlam, and other areas close to the North Shore Mountains can expect a bit more rain, but not the downpour areas further north are expecting.

Partway through Wednesday, the frontal band is expected to move on, though it'll likely be wet and showery until the weekend, when a dry period is forecast.