Ottawa River

Canada: Water surpluses to increase from Toronto to Lake Huron

Canada: Water surpluses to increase from Toronto to Lake Huron

The forecast through July indicates that conditions from the westernmost point of the Ottawa River stretching east to the Gulf of St. Lawrence will transition out of exceptional water surplus to milder anomalies, while conditions around Montreal and near Ottawa transition to moderate surplus, and surpluses from Toronto to Lake Huron increase and intensify. Deficits will cover much of the nation, with intense deficits on Vancouver Island and surpluses in southeastern British Columbia.

Canada: Water deficits forecast to persist in Ottawa-Gatineau Watershed

Canada: Water deficits forecast to persist in Ottawa-Gatineau Watershed

The major changes forecast through May are that exceptional water deficits will shrink in Quebec though large pockets will persist, and widespread surpluses in Northern Ontario will transition to deficit. As for major population areas, intense deficits are forecast for Southern Ontario and through southern Quebec; near Vancouver, British Columbia; near Winnipeg, Manitoba; and surrounding Regina, Saskatchewan. Deficits of varying intensity are forecast in many parts of the country. In British Columbia, surpluses will increase in the southeast and transition to deficit in the southwest.

Canada: Water deficits persist in central Quebec, QC/ON border

Canada: Water deficits persist in central Quebec, QC/ON border

Exceptional water deficits will persist in central Quebec; the southern Ontario-Quebec border; Northumberland County, New Brunswick; southern Newfoundland; and northeastern Manitoba. Severe deficits in central Alberta are forecast to become exceptional, and deficits are forecast for northwestern and central British Columbia. Surpluses are forecast for central Manitoba into Saskatchewan; northwestern Saskatchewan into Alberta; and throughout southern British Columbia. The forecast for June through August indicates an increase in the extent and severity of deficits in Quebec, Ontario, northeastern Manitoba, and British Columbia.