The peak of spring freshet on the lower Fraser River could be soon.
With 2020 snowpacks in upper Fraser River watersheds at their highest levels in decades, flood watchers in communities across the Fraser Valley have been monitoring carefully the ongoing melt since April.
The latest provincial modelling indicates the peak on the Fraser at the Mission gauge could be by June 4 or June 5, 2020.
How the weather plays out from mid-May to late June is critical. The 1948 flood resulted after sustained high temperatures arrived on the heels of a cool spring.
“High flows and floods on the Fraser River during spring freshet result from two factors: snow and weather,” according to the River Forecast Centre.
The lack of any extended early heat waves in May or prolonged heavy rain at peak time would be significant.
The provincial River Forecast Centre run by the Ministry of Forests, Lands and Natural Resource Operations and Rural Development provides long-term and short-term forecasts for the Fraser at this time of year.
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