The ECMWF has released their updated computer model seasonal forecast for the summer. I will issue my personal summer forecast for Canada within the next 10 days.
ECMWF model temperature departure forecast.

ECMWF model precipitation departure forecast.

Also, the new ECMWF update still indicates near neutral El Nino Southern Oscillation conditions through the summer.
The ECMWF is also predicting above normal tropical cyclone activity for the Atlantic Basin this year, especially in the Caribbean.
The ECMWF continues to forecast a very hot and dry summer from the U.S. Rockies to the southern and central Plains of the U.S.
A large storm clashing with warmth and higher humidity will lead to heavy rainfall and locally severe thunderstorms over the Prairies the next couple of days.
Potential for localized rainfall amounts in excess of 100 mm (4 inches) over western Alberta this week....
Here is my latest interpretation of the ECMWF weekly update that goes into mid-July.....
Potential for strong thunderstorms and heavy rainfall Wednesday/Wednesday night.
What the latest ECMWF seasonal forecast output shows for July, August and September...
Below is my interpretation of last night's release of the latest ECMWF model weeklies that now go out through the first week of July.
Brett Anderson
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