Flood Warnings and Advisories

ENDED Flood Watch – North Shore and Metro Vancouver; ENDED High Streamflow Advisory – South Coast and Howe Sound
ISSUED: 8:00 AM February 2, 2020

The River Forecast Centre is ending a Flood Watch for:

  • North Shore and Metro Vancouver

The River Forecast Centre is ending a High Streamflow Advisory for:

  • South Coast and Howe Sound

Heavy rainfall impacted the Lower Mainland, South Coast and Howe Sound on Friday due to an atmospheric river. Rivers and creeks responded rapidly and peaked late Friday and early Saturday. The heavy rainfall is over and river levels have receded to base levels.

Rivers in the regions that reached significant flows include:

  • Seymour River below Orchid Creek (08GA077) reached between a 10 & 20-yr flow early Saturday morning. Flows have receded to normal levels.
  • MacKay Creek at Montroyal Boulevard (08GA061) peaked between a 2 & 5-yr flow late Friday evening. Flows have receded to normal levels.
  • Coquitlam River above Coquitlam Lake (08MH141) peaked near a 5-yr flow late Friday evening. Flows have receded to normal levels.
  • Kanaka Creek near Webster Corners (08MH076) reached between a 10 & 20-yr flow near midnight on Friday evening. Flows have receded to normal levels.
  • Nicomekl River at 203 Street, Langley (08MH155) peaked near a 5-yr flow early Saturday morning. Flows have receded to normal levels.
  • Stawamus River at Highway No. 99 (08GA076) peaked near a 5-yr water level early Saturday morning. Water levels have receded to normal levels.

No significant additional rises in river levels are expected at this time.

The River Forecast Centre continues to monitor the situation and provides updates as conditions warrant.

Contact for Media Relations, Ministry of Forests, Lands, Natural Resource Operations and Rural Development:
Tel: 250 356-7506

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.

Links:

  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