Name: Fire Hazard Classification (Ord. 787)

Display Field: SRA

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Government Code 51175-89 directs the California Department of Forestry and Fire Protection (CAL FIRE) to identify areas of very high fire hazard severity zones within Local Responsibility Areas (LRA). Mapping of the areas, referred to as Very High Fire Hazard Severity Zones (VHFHSZ), is based on data and models of, potential fuels over a 30-50 year time horizon and their associated expected fire behavior, and expected burn probabilities to quantify the likelihood and nature of vegetation fire exposure (including firebrands) to buildings. Details on the project and specific modeling methodology can be found at http://frap.cdf.ca.gov/projects/hazard/methods.html. Local Responsibility Area VHFHSZ maps were initially developed in the mid-1990s and are now being updated based on improved science, mapping techniques, and data. This specific geographic information system dataset depicts final CAL FIRE recommendations for Very High FHSZs within the local jurisdiction. The process of finalizing these boundaries involved an extensive local review process, the details of which are available at http://frap.cdf.ca.gov/projects/hazard/btnet/ (click on "Continue as guest without logging in"). Local government has 120 days to designate, by ordinance, very high fire hazard severity zones within its jurisdiction after receiving the recommendation. Local government can add additional VHFHSZs. There is no requirement for local government to report their final action to CAL FIRE when the recommended zones are adopted. Consequently, users are directed to the appropriate local entity (county, city, fire department, or Fire Protection District) to determine the status of the local fire hazard severity zone ordinance. To display the areas of VHFHSZ recommended by CAL FIRE, simply display on the attribute HAZ_CLASS, as that has been filtered to represent only areas in the Very High Class, and only for areas that are in Local Responsibility Area (LRA) status.

Definition Expression: N/A

Copyright Text: CAL FIRE recoginzes the important contribution of various local government entities that contributed data, maps, and comments that were critical components of the FHSZ mapping process.

Default Visibility: false

MaxRecordCount: 1000

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: true

Can Modify Layer: false

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

XMin: 6128739.7624105215
YMin: 2098699.479749933
XMax: 6610243.655043855
YMax: 2321000.402273193
Spatial Reference: 102646  (2230)

Drawing Info:

Renderer:
Unique Value Renderer:
Field 1: HAZ_CLASS
Field 2: null
Field 3: null
Field Delimiter: ,
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Default Label: OTHER HAZARD CLASSIFICATION
UniqueValueInfos:
• Value: HIGH
  Label: HIGH
  Description:
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• Value: VERY HIGH
  Label: VERY HIGH
  Description:
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Labeling Info:
Label Placement: esriServerPolygonPlacementAlwaysHorizontal
Label Expression: [HAZ_CLASS]
Use Coded Values: true
Symbol:
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Advanced Query Capabilities:

Supports Statistics: true
Supports OrderBy: true
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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

HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• OBJECTID ( type: esriFieldTypeOID , alias: OBJECTID )
• SHAPE ( type: esriFieldTypeGeometry , alias: Shape )
• SHAPE.STArea() ( type: esriFieldTypeDouble , alias: SHAPE.STArea() )
• SHAPE.STLength() ( type: esriFieldTypeDouble , alias: Shape.STLength() )
• SRA ( type: esriFieldTypeString , alias: SRA , length: 3 )
• INCORPORATED ( type: esriFieldTypeString , alias: INCORPORATED , length: 1 )
• HAZ_CODE ( type: esriFieldTypeSmallInteger , alias: HAZ_CODE )
• HAZ_CLASS ( type: esriFieldTypeString , alias: HAZ_CLASS , length: 25 )

Supported Operations:   Query   Generate Renderer   Return Updates

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