Before I get to the long range....
1. A brief surge of warmer air will impact southern Ontario and Quebec Thursday before showers associated with a cold front move in late in the day or at night.
2. The combination of a weak storm and a front will likely lead to a period of accumulating snow Friday night over southwestern Alberta, including the Calgary area.
3. A piece of Arctic air will spread from the eastern Prairies to northwestern Ontario from Sunday into early next week with temperatures anywhere from 5 to 9 degrees below normal.
Latest interpretation of the ECMWF weekly long-range forecast model.....
Note: The ECMWF model seasonal update gets released tonight and I will blog about that on the next post.
Another stretch of dry weather for parts of eastern Canada into next week.
A warm first half of summer for a majority of Canada.
Fast, west-to-east jet stream pattern across southern Canada into next week.
Clues to the long range over the next several weeks across North America.
Potential for significant rainfall over southwestern Alberta late this week into the early weekend.
A strong, upper-level storm system will bring significant rain, severe thunderstorms and much cooler air to parts of western and central Canada into early next week.