From Environment Canada issued 3:46 PM PST Wednesday 22 January 2020:
Rainfall warning in effect for West Vancouver Island. Rain, at times heavy, is expected.
An intense frontal system is currently crossing Vancouver Island.
Moderate rain is falling over west Vancouver Island. This evening the rain will intensify significantly before it eases off late Thursday morning.
Total rainfall accumulations of 100 mm are expected except up to 120 mm near Zeballos and Tahsis.
Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.