Flood Warnings and Advisories

Flood Warning – Bulkley River
Flood Watch – Fraser River at Prince George and Quesnel, Nautley River, Nechako River, Dean River
High Streamflow Advisory – Prince George Area, Nazko – West Road River
ISSUED: 1530h May 18th, 2018

The following Flood Warnings, Watches and Advisories in the North-East and North-West regions are MAINTAINED as of Friday, May 18th  1530hr:

  • Flood Warning – Bulkley River including tributaries around Houston, Smithers and adjacent areas
  • Flood Watch Fraser River at Prince George through Quesnel
  • 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

Hot weather led to rapid snow melt from mid-to-upper elevation snow packs. Temperatures are cooling slightly into the weekend, so rivers levels with sufficient snow remaining will likely experience a leveling off or slight drop.  Well above normal temperatures are forecast for next week, and river levels are expected to increase again in areas with snow. 
A summary of key rivers includes:

  • Fraser River at South Fort George (08KE018) is at 9.13m (near a 5-year water level), and is expected to stay fairly level over the weekend and begin to drop slightly at the start of next week
  • Bulkley River near Houston (08EE003) is flowing at 176 m3/s (5-year flow) and is receding. Snowpack in the basin is depleted and risks of additional snowmelt related rises in level is being reduced
  • Bulkley River near Smithers (08EE005) is flowing at 1080 m3/s (between a 5-year and 10-year flow). Flows may reach up to the 1200-1300 m3/s range through this weekend due to possible rain and may exceed previous peak levels from last week
  • Nautley River near Fort Fraser (08JB003) is flowing at 268 m3/s (between a 20-year and 50-year flow). The rate of rise has eased the last two days and is expected to remain elevated
  • Nechako River near Vanderhoof (08JC001) is currently flowing at 455 m3/s (between a 2-year and 5-year flow), and has eased the past six days. Flows are expected to remain at a similar level

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

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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.


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  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
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