Environment Canada warns of potentially hazardous travel conditions due to heavy rainfall across southern B.C. on Friday, Aug. 15.

A rainfall warning has been issued for Metro Vancouver with up to 50 mm of precipitation at sea level and as much as 80 mm at places with higher elevations expected to fall.

Environment Canada Meteorologist Brian Proctor tells V.I.A. the storm system isn't typical for this time of year and may pose hazards on the roads.

"It's a very, very weak atmospheric river," he explains. "A better way to describe it is an early fall season storm, specifically a moisture-laden frontal system."

Proctor says the "very October-like storm" landed on the South Coast Friday morning "with moderate precipitation amounts recorded across the Lower Mainland and Vancouver Island."

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