Flood Warnings and Advisories

ENDED - High Streamflow Advisory – South Coast
ISSUED: 10:00 AM August 3, 2019

The River Forecast Centre is ending a High Streamflow Advisory for the South Coast including the:

  • Squamish River
  • Stawamus River
  • Lillooet River
  • Sunshine Coast and Howe Sound Tributaries

Heavy rainfall on Thursday and Friday has now passed through rivers in the region. Rivers levels peaked on Friday, and are now receding. No additional, significant rises are expected at this time.
The public is advised to stay clear of the fast-flowing rivers and potentially unstable riverbanks during the period of rapid-rising river levels.
The River Forecast Centre will continue to monitor the conditions and update this advisory as conditions warrant.

BC River Forecast Centre
Ministry of Forests, Lands, Natural Resource Operations and Rural Development

Levels of Warnings/Advisories:

  1. High Streamflow Advisory: River levels are rising or expected to rise rapidly, but that no major flooding is expected. Minor flooding in low-lying areas is possible. This is the lowest level.
  2. Flood Watch: River levels are rising and will approach or may exceed bankfull. Flooding of areas adjacent to affected rivers may occur. This is the intermediate level.
  3. Flood Warning: River levels have exceeded bankfull or will exceed bankfull imminently, and that flooding of areas adjacent to the rivers affected will result. This is the highest level.


  1. Home of River Forecast Centre
  2. Current Streamflow Conditions and Flood Forecast Modeling
  3. Map of Current Streamflow Return Periods for All WSC Stations
  4. CLEVER Model 10-day Forecasts of Discharges and Return Periods
  5. COFFEE Model 5-day Forecasts of Discharges and Return Periods
  6. Back to page of Flood Warnings and Advisories