This is my latest forecast model interpretation of the weekly weather patterns going into May......
The model has trended cooler over the eastern half of Canada for May, but there also seems to be a higher uncertainty than usual with a lack of strong upper-level features showing up across the Northern Hemisphere during May.
I would expect this model to continue to lean more toward above-normal temperatures from Alaska and down the Pacific coast through at least early summer as sea surface temperatures in the northeast Pacific will likely remain well above normal.
A blocking-type pattern will develop next week and this may lead to a several-day period of wet and chilly weather from southern Ontario through southern Quebec and into the Great Lakes and Northeast U.S.
Below is my latest interpretation of the weekly ECMWF forecast model update.
A look at several forecast model outlooks for the upcoming summer.
Latest model update points toward a soggy southern U.S. and a return to the western Canada warmth.
How did snow cover extent fare this past winter across Canada and a look back at the Great Ice season.
An update on the long range and a look at the overall pattern the rest of this week in Canada.
This is my latest interpretation of the ECMWF forecast model that now goes out through the middle of May.