Big Rainmaker Coming for the West Coast
6/01/2010, 4:20:19 AM
A significant Pacific front will spread a batch of heavy rain into the coastal region of the Pacific Northwest and southwestern BC Tuesday night and Wednesday. Heavier rain will also impact the Coastal Mountains. Snow levels will gradually fall from around 6,500 feet to 5,500 feet in the Coastal range of BC on Wednesday.
The high resolution WRF model output shows the predicted total rainfall in inches (100 = 1 inch, 200= 2 inches) for the event through Wednesday. As you can see, some of the favored western facing higher terrain of Vancouver Island and the Coastal Range could get over 3 inches, or 75 mm.
There is also the potential for some heavier thunderstorms over southern southwestern Ontario Wednesday afternoon, but I could easily see the threat being farther south.
The period from June 8-10
The latest 8-10 day outlook suggests the following..........
1. Unseasonably warm over Alaska and the Yukon Territory. 2. Still wet over BC. 3. Drier over the Prairies. (see below). 4. Cooler air coming into Ontario and Quebec. 5. Wet from New England up through coastal Atlantic Canada.
Record wet start to the growing season in parts of the Prairies!
It has been incredibly wet across parts of the Prairies since early April. We even had accumulating snow in Edmonton and Calgary, Alberta, this weekend!
Check out the map below, which shows how wet it has been across the region since the start of the growing season. Courtesy of Environment Canada.
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