Monday, December 08, 2014

Rain & Wind Warning Issued


RAINFALL WARNING issued by Environment Canada

Rain, at times heavy, is expected. An incredible series of storms are set to cross the BC Coast this week. An intense jet stream over the Pacific is gathering very warm moist air from southern latitudes. A subtropically-influenced airstream will bombard the mountains of Vancouver Island and the Lower Mainland from today through Thursday morning. 

High rainfall rates and a prolonged period of rainy weather will create an extraordinary 3 to 4 day rain event. The first two storms will boost rainfall totals well above the warning criteria for a 24-hour period. Following systems will add to the week's rainfall and the initial warnings will likely be extended for successive 24-hour periods though mid-week. 

The inflooding warm air will drive the freezing level to nearly 2500 metres. In some areas, additional water from snow-melt will add more water to drainage basins, creeks, and rivers. The East Coast of Vancouver Island, the Sunshine Coast, Metro Vancouver and the Fraser Valley-West including Abbotsford, will receive between 25 and 100 millimetres of rain by Tuesday morning. And that is just the beginning...

Heavy downpours can cause flash floods and water pooling on roads. Watch for possible washouts near rivers, creeks and culverts. Environment Canada meteorologists will update alerts as required. Please monitor local media or Weatheradio. Email reports of severe weather to pacificstorm@ec.gc.ca or tweet with the hashtag #BCStorm.

WIND WARNING issued by Environment Canada

Strong winds that may cause damage are expected or occurring. A frontal system will cross Vancouver Island this afternoon bringing southerly winds of 70 km/h gusting to 90. These winds are expected to diminish early Tuesday morning as the front moves inland.

Gusty winds can damage soft shelters, tents and awnings at outdoor events. Wind warnings are issued when there is a significant risk of damaging winds. Environment Canada meteorologists will update alerts as required. Please monitor local media or Weatheradio. Email reports of severe weather to pacificstorm@ec.gc.ca or tweet with the hashtag #BCStorm.

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