Flood Warnings and Advisories

Flood Warning – Bulkley River
Flood Watch – Nautley River, Nechako River, Dean River
High Streamflow Advisory – Prince George Area, Nazko – West Road River (DOWNGRADED)
ISSUED: 1200h May 11th, 2018

The following Flood Warnings, Watches and Advisories in the North-East and North-West regions are MAINTAINED or DOWNGRADED as of Friday, May 11th  1200hr:

  • Flood Warning – Bulkley River including tributaries around Houston, Smithers and adjacent areas
  • Flood Watch – Nautley River and Nechako River including tributaries and lake levels around Burns Lake, Francois Lake, Vanderhoof and surrounding areas
  • Flood Watch – Dean River
  • High Streamflow Advisory – Nazko and West Road River
  • High Streamflow Advisory – Prince George area including the Chilako River, Salmon River and surrounding tributaries

A summary of key rivers includes:

  • Bulkley River near Houston (08EE003) is flowing at 260 m3/s (20-year flow) and has eased since yesterday
  • Bulkley River near Smithers (08EE005) is flowing at 1200 m3/s (20-year flow) and has eased slightly since yesterday
  • Nautley River near Fort Fraser (08JB003) is flowing at 235 m3/s (20-year flow) and rising. Modelling is indicating the potential for on-going rises over the weekend, with the potential to reach 300 m3/s early next week, and further rises next week with a warming weather trend
  • Nechako River near Vanderhoof (08JC001) is currently flowing at 520 m3/s (5-year flow), with rises to the 530-550 m3/s range expected over the weekend

Temperatures are generally expected to rise over the weekend and into next week, and increased snow melt is expected over this period.  Watersheds with extensive snow pack will increase water levels again early next week.

The River Forecast Centre will continue to monitor conditions and update this advisory as conditions warrant.

Contact:
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.
  2. Flood Watch: River levels are rising and will approach or may exceed bankfull. Flooding of areas adjacent to affected rivers may occur.
  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.

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