View In:   ArcGIS Online Map Viewer

Name: SACS Census Places

Display Field: name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>SACS Census Places identify high risk places with regards to coastal storm flooding risk. These designations are assigned by the results of the SACS Tier 1 Risk Assessment, and the SACS Tier 2 Economic Risk Assessment. </SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Tier 1 Risk Assessment</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>To identify areas with potential high-risk, the Tier 1 CRI was intersected with U.S. Census Bureau place boundaries using zonal statistics in GIS to determine both the acreage and intensity of potential risk for that area. Census places include both incorporated places and unincorporated census-designated places. Two thresholds were applied to determine if a census place is considered high-risk in either the existing condition, future condition, or both. At minimum, the combination of medium-high (amber) and high (red) composite risk needed to encompass: - Fifty acres of a census place for the continental United States. This is a conservative threshold, approximately equal to an area extending 1 mile along a shoreline and two blocks inland. For Puerto Rico, 5 acres were used as the threshold and, in the U.S Virgin Islands, the threshold was more qualitative, owing to the relatively small geographic area of its territories. - One-half of one percent of the total area (of a place).</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Tier 2 Economic Risk Assessment</SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN><SPAN>Economic risk ratings for existing and future condition risk are determined by natural break classifications of the expected annual damages of the aggregate of census block values within a census place. Low and Upper bound classification breaks are identified within the Tier 2 Economic Risk Assessment technical report. The natural breaks are relative to census places within each state or territory, except for Florida, where the natural break classifications are sorted by planning reach: FL_06 and FL_07, FL_08 and FL_09, FL_10 and FL_11, and FL_12 and FL_13. </SPAN></SPAN></P><P><SPAN /></P></DIV></DIV></DIV>

Service Item Id: 9d892af662604490bcfd11e0642e926c

Copyright Text: USACE, FEMA, US Census Bureau

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports ValidateSQL: true

Supports Calculate: true

Supports Datum Transformation: true

Extent:

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YMin: 17.708202000322217
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Spatial Reference: 4269  (4269)

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Renderer:
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Labeling Info:

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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field:

Fields:

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• statefp ( type: esriFieldTypeString, alias: STATEFP, editable: true, nullable: true, length: 2, defaultValue: null, modelName: STATEFP )
• geoid ( type: esriFieldTypeString, alias: GEOID, editable: true, nullable: true, length: 7, defaultValue: null, modelName: GEOID )
• name ( type: esriFieldTypeString, alias: NAME, editable: true, nullable: true, length: 100, defaultValue: null, modelName: NAME )
• namelsad ( type: esriFieldTypeString, alias: NAMELSAD, editable: true, nullable: true, length: 100, defaultValue: null, modelName: NAMELSAD )
• tier1existingrisk ( type: esriFieldTypeString, alias: Tier 1 Existing Condition Med/High Risk, editable: true, nullable: true, length: 3, defaultValue: null, modelName: Tier1ExistingRisk )
• tier1futurerisk ( type: esriFieldTypeString, alias: Tier 1 Future Condition Med/High Risk, editable: true, nullable: true, length: 3, defaultValue: null, modelName: Tier1FutureRisk )
• tier2existingdamages ( type: esriFieldTypeDouble, alias: Tier 2 Existing Condition Expected Annual Dollar Damages, editable: true, nullable: true, defaultValue: null, modelName: Tier2ExistingDamages )
• tier2futuredamages ( type: esriFieldTypeDouble, alias: Tier 2 Future Condition Expected Annual Dollar Damages, editable: true, nullable: true, defaultValue: null, modelName: Tier2FutureDamages )
• tier2existingrisk ( type: esriFieldTypeString, alias: Tier 2 Existing Condition Economic Risk, editable: true, nullable: true, length: 255, defaultValue: null, modelName: Tier2ExistingRisk )
• tier2futurerisk ( type: esriFieldTypeString, alias: Tier 2 Future Condition Economic Risk, editable: true, nullable: true, length: 255, defaultValue: null, modelName: Tier2FutureRisk )
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• planningreach ( type: esriFieldTypeString, alias: Planning Reach, editable: true, nullable: true, length: 7, defaultValue: null, modelName: PlanningReach )
• county ( type: esriFieldTypeString, alias: County, editable: true, nullable: true, length: 255, defaultValue: null, modelName: County )
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Templates:

• Name: SACS Census Places
  Description:
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Child Resources:   Field Groups   Contingent Values

Supported Operations:   Query   Query Analytic   Validate SQL   Generate Renderer   Return Updates   Iteminfo   Thumbnail   Metadata   Update Metadata