Table 3 Environmental covariates and other associated fields.

ID

Fire ID

NA

NBAC²⁶

DOB

Day of year burning

203 ± 28

CFSDS²⁵

year

Year

2012 ± 5.7

NBAC²⁶

fireday

Day of fire (ignition day = 1)

21.9 ± 21.1

CFSDS²⁵

firearea

Fire growth this day (ha)

571 ± 2383

CFSDS²⁵

ecozone

Ecozone (see Table 4)

NA

ESWG (1996)⁴⁵

fwi

Fire weather index

11.1 ± 9.7

CFSDS²⁵, ERA5-Land³⁶

isi

Initial spread index

4.1 ± 3.4

CFSDS²⁵, ERA5-Land³⁶

ffmc

Fine fuel moisture code

79.0 ± 15.8

CFSDS²⁵, ERA5-Land³⁶

dmc

Duff moisture code

36.7 ± 26.5

CFSDS²⁵, ERA5-Land³⁶

dc

Drought code

285 ± 127

CFSDS²⁵, ERA5-Land³⁶

bui

Buildup index

51.6 ± 31.4

CFSDS²⁵, ERA5-Land³⁶

prec

24-hr precipitation (mm)

1.5 ± 3.2

ERA5-Land³⁶

vpd

Daily max vapour pressure deficit (hPa)

15.8 ± 6.4

ERA5-Land³⁶

tmax

Maximum daily temperature (°C)

20.9 ± 4.9

ERA5-Land³⁶

ws

Noon windspeed at 10 m elevation (km/h)

9.4 ± 4.7

ERA5-Land³⁶

rh

Noon relative humidity (%)

45.8 ± 11.9

ERA5-Land³⁶

fwi_prev1

Fire weather index from previous day

11.0 ± 9.6

CFSDS²⁵, ERA5-Land³⁶

fwi_prev2

Fire weather index from 2 days prior

10.9 ± 9.6

CFSDS²⁵, ERA5-Land³⁶

rh_prev1

Noon relative humidity from previous day (%)

47.3 ± 12.6

ERA5-Land³⁶

rh_prev2

Noon relative humidity from 2 days prior (%)

48.4 ± 13.3

ERA5-Land³⁶

d_fwi

Fire weather index anomaly

5.1 ± 8.8

CFSDS²⁵, ERA5-Land³⁶

d_isi

Initial spread index anomaly

1.4 ± 3.2

CFSDS²⁵, ERA5-Land³⁶

d_ffmc

Fine fuel moisture code anomaly

7.8 ± 15.7

CFSDS²⁵, ERA5-Land³⁶

d_dmc

Duff moisture code anomaly

16.4 ± 22.3

CFSDS²⁵, ERA5-Land³⁶

d_dc

Drought code anomaly

83.7 ± 70.5

CFSDS²⁵, ERA5-Land³⁶

d_bui

Buildup index anomaly

21.6 ± 25.5

CFSDS²⁵, ERA5-Land³⁶

d_prec

Precipitation anomaly (mm)

−1.0 ± 3.2

ERA5-Land³⁶

d_vpd

Daily max vapour pressure deficit anomaly (Pa)

6.5 ± 4.7

ERA5-Land³⁶

d_tmax

Maximum daily temperature anomaly (°C)

6.0 ± 4.5

ERA5-Land³⁶

d_ws

Noon windspeed anomaly (km/h)

2.2 ± 4.2

ERA5-Land³⁶

d_rh

Noon relative humidity anomaly (%)

6.5 ± 21.8

ERA5-Land³⁶

Biomass

Total live aboveground biomass (t/ha)

53 ± 46

SCANFI³⁹

Closure

Crown closure (%)

41 ± 16

SCANFI³⁹

prcD

Deciduous component (%)

11 ± 13

SCANFI³⁹

prcC

Conifer component (%)

89 ± 13

SCANFI³⁹

peatCl

Peatland class

NA

Thompson et al.⁴¹

peatland

Modeled probability of peatland presence (0–100)

29 ± 19

Thompson et al.⁴¹

hydrodens2k

Proportion surface water within 2 km window

0.09 ± 0.12

CanVec Hydro⁴⁰

hydrodens5k

Proportion surface water within 5 km window

0.11 ± 0.12

CanVec Hydro⁴⁰

hydrodens10k

Proportion surface water within 10 km window

0.12 ± 0.12

CanVec Hydro⁴⁰

hydrodens25k

Proportion surface water within 25 km window

0.13 ± 0.12

CanVec Hydro⁴⁰

roaddens2k

Road density within 2 km (km/km²)

0.03 ± 0.12

CanVec Transport⁴³

roaddens5k

Road density within 5 km (km/km²)

0.03 ± 0.10

CanVec Transport⁴³

roaddens10k

Road density within 10 km (km/km²)

0.03 ± 0.10

CanVec Transport⁴³

roaddens25k

Road density within 25 km (km/km²)

0.03 ± 0.09

CanVec Transport⁴³

roaddist

Distance to major road or railway line (m)

39000 ± 39180

CanVec Transport⁴³

dem

Elevation (m)

557 ± 384

ASTER Global Digital Elevation⁴⁰

slope

Slope (degrees)

5.0 ± 6.4

ASTER Global Digital Elevation⁴⁰

twi

Topographic wetness index

5.6 ± 0.5

ASTER Global Digital Elevation⁴⁰

aspect

Aspect (degrees, 0–359)

181 ± 103

ASTER Global Digital Elevation⁴⁰

cumuarea

Cumulative fire area (ha, NBAC²⁶)

14450 ± 39510

CFSDS²⁵

pctgrowth

Percent growth this day (%) (NBAC²⁶)

113 ± 1950

CFSDS²⁵

prevgrow

Fire growth on prior fireday (ha)

617 ± 2463

CFSDS²⁵

sprdistm

Daily fire spread (m)

453 ± 1063

CFSDS²⁵

lat

Latitude (m) (EPSG 4269)

−112 ± 16

CFSDS²⁵

lon

Longitude (m) (EPSG 4269)

58 ± 5

CFSDS²⁵