Name: BC Wildfire PSTA Head Fire Intensity

Display Field: HFI_CLASS_RANGE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This polygon feature class was derived from the head fire intensityraster by using the Raster to Polygon conversion tool in ArcGIS 10.3. The following describes how the raster feature class was created.The head fire intensity (HFI) data layer was developed using the 90thpercentile fire weather index value for an interpolated and elevation-adjusted analysis of weather station values. This value represents the daily FWI value at which 10% of all interpolated observations at that location exceed the value identified.These were calculated by interpolating daily weather records from the network of active and archived BC Wildfire Service and other (e.g. Environment Canada, BC Ministry of Environment SnowPillow, etc. ) weather stations.The head fire intensity (90th percentile) values were classified using accepted thresholds of fire intensity and fire suppression effort. The head fire intensity classes used in the final threat layer are different from the defined head fire intensity classes derived from the Fire Behaviour Prediction System because the values need to be spread across 10 categories. The intensity values in the HFI data layer therefore represent daily peak burning head fire intensity values representative of a small number of days (~ 1-15) in an average year based on the fuels identified in provincial inventory in early 2017. By definition, these represent high to extreme values for any given location. The final classification scheme for the HFI (90thpercentile weather) layer was chosen to represent accepted fire intensity thresholds (in kW/m) associated with suppression difficulty, along with some additional classes added to further discriminate between intensity levels at the high end (i.e. crown fires).Water bodies were overlaid on the raster and assigned their own class, -1. Aprivate managed forest land (PMFL) and private land (PL) mask was applied to the data due to fuel typing limitations in these areas. Each of these were given their own class. PMFL is class -2 and PL is class -3.For more information please see the Provincial Strategic Threat Analysis PSTA Report. Feature class name is 'WHSE_LAND_AND_NATURAL_RESOURCE.PROT_PSTA_HEAD_FIRE_INTNSTY_SP'. See metadata: https://catalogue.data.gov.bc.ca/dataset/b756c2ac-e753-4771-bbb8-48c7f73d564a

Copyright Text:

Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 150000.00000000047

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: 258537.5001
YMin: 354012.5011
XMax: 1885587.5001
YMax: 1750712.5011
Spatial Reference: 102190  (3005)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: HFI_CLASS
Field 2: N/A
Field 3: N/A
Field Delimiter: ,
Default Symbol:
N/A
Default Label: N/A
UniqueValueInfos:
• Value: -3
  Label: No Data - Private Land
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [52, 52, 52, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: -2
  Label: No Data - Private Managed Forest Land
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [78, 78, 78, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: -1
  Label: Water
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [190, 210, 255, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 0
  Label: Non-Fuel
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [130, 130, 130, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 1
  Label: Less Than 1000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [0, 97, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 2
  Label: 1000 to 2000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [60, 128, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 3
  Label: 2000 to 4000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [107, 161, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 4
  Label: 4000 to 6000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [164, 196, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 5
  Label: 6000 to 10000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [223, 235, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 6
  Label: 10000 to 18000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [255, 234, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 7
  Label: 18000 to 30000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [255, 187, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 8
  Label: 30000 to 60000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [255, 145, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 9
  Label: 60000 to 100000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [255, 98, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
• Value: 10
  Label: Greater Than 100000 kWm
  Description: N/A
  Symbol:
  Style: esriSFSSolid
  Color: [255, 34, 0, 255]
  Outline:
  Style: esriSLSNull
  Color: [0, 0, 0, 0]
  Width: 0
Transparency: 0
Labeling Info:

Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
Supports Distinct: true
Supports Pagination: true
Supports TrueCurve: true
Supports Returning Query Extent: true
Supports Query With Distance: true
Supports Sql Expression: true
Supports Query With ResultType: false
Supports Returning Geometry Centroid: false
Supports Binning LOD: false
Supports Query With LOD Spatial Reference: false

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• FEATURE_AREA_SQM ( type: esriFieldTypeDouble, alias: FEATURE_AREA_SQM )
• FEATURE_LENGTH_M ( type: esriFieldTypeDouble, alias: FEATURE_LENGTH_M )
• SHAPE.AREA ( type: esriFieldTypeDouble, alias: SHAPE.AREA )
• SHAPE.LEN ( type: esriFieldTypeDouble, alias: SHAPE.LEN )
• PROT_PHFI_SYSID ( type: esriFieldTypeInteger, alias: PROT_PHFI_SYSID )
• HFI_CLASS ( type: esriFieldTypeInteger, alias: HFI_CLASS )
• HFI_CLASS_RANGE ( type: esriFieldTypeString, alias: HFI_CLASS_RANGE, length: 50 )
• SHAPE ( type: esriFieldTypeGeometry, alias: SHAPE )
• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )

Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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