The River Forecast Centre is issuing a High Streamflow Advisory for Lillooet River near Pemberton and tributaries.
A moderate atmospheric river event has arrived on the southern coast of British Columbia today.
The event is expected to persist for nearly 48‐hours and bring moderate to heavy precipitation throughout areas of south‐west British Columbia.
Environment and Climate Change Canada is forecasting 75‐150 mm of total rainfall for most areas over the two‐day period from Friday to Sunday.
Higher rainfall amounts are possible, particularly over higher terrain, with the potential for localized amounts in the 150‐250 mm range.
Temperatures are expected to rise, with freezing levels forecast to peak around 2500 m by late Friday.
Recent snow accumulation at elevation has occurred over the past few weeks, with 5‐40 mm of snow water equivalent currently observed at automated snow weather stations throughout the region.
Most of the snow on the ground is expected to melt during this event and will contribute additional runoff to rivers.
