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BC Wildfire FWI

Canadian Forest Fire Weather Index System for British Columbia — 6 Fire Centres · BCWS danger scale · C3 lodgepole pine default

BC Wildfire Service · CFFDRS Danger Classes

Very Low <5 Low <12 Moderate <21 High <34 Extreme ≥34

BC uses 5 classes — no "Very High". Thresholds differ from Alberta (BCWS, 2022).

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Station Detail

Live FWI + FBP behaviour · today & tomorrow · 24-hr trend · fuel map

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map

Regional Summary

All 6 Fire Centres at a glance · danger overview · station map

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14-Day Forecast Trends

NAEFS ensemble · Fire Centre trend matrix · days at elevated risk

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Fire Safety Briefing

FWI + FBP briefing by Fire Centre · printable ICS format

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BC Fire Centres

Coastal (Victoria)
Kamloops
Cariboo (Williams Lake)
Prince George
Northwest (Smithers)
Southeast (Castlegar)

Data & Science

Stations: 170+ BCWS Datamart stations (pre-computed FFMC/DMC/DC/ISI/BUI/FWI from BC Wildfire Service) · CWFIS border stations · SWOB fallback · Open-Meteo NWP last resort.

FWI System: Full CFFDRS stack — Fire Weather Indices (FFMC, DMC, DC, ISI, BUI, FWI, DSR) + Fire Behaviour Prediction for all 16 fuel types (C1–C7, D1, M1–M4, O1a/O1b, S1–S3). Van Wagner 1987; Forestry Canada ST-X-3.

Spring startup: Van Wagner (1985) overwinter DC carry-over algorithm by Fire Centre — maritime precip recharge applied to coastal and northwest zones.

14-day forecast: NAEFS ensemble (CWFIS WFS) for 35 BC stations. FBP fire behaviour calculated for each forecast day at peak burn hour (~14:00 PDT).

Danger scale: BCWS 5-class (Very Low / Low / Moderate / High / Extreme). Thresholds per BCWS CFFDRS Implementation Guide (2022).