DFIRM Prototypes State of North Carolina March 20, 2001 North Carolina Floodplain Mapping State of...

DFIRM Prototypes

State of North CarolinaMarch 20, 2001

North Carolina Floodplain MappingState of North Carolina

North Carolina Floodplain MappingState of North Carolina

Map Frame

North Carolina Floodplain MappingState of North Carolina

Map Frame• Grids & Graticules

• State Plane Corner Coordinates

• Universal Transverse Mercator Coordinates

• Latitude and Longitude Coordinates

• 3 Color Map• Black & White, Blue, Yellow

• USGS DOQQ as Base

• Halo Text

• Annotations in Border

• Joins Panel Note Moved

North Carolina Floodplain MappingState of North Carolina

Detailed Study Area

North Carolina Floodplain MappingState of North Carolina

Detailed Study Areas

• 100-year Cyan (FEMA Standard)

• Floodway White Hatch (FEMA Standard)

• 500-year Yellow

North Carolina Floodplain MappingState of North Carolina

Approximate Study Area

North Carolina Floodplain MappingState of North Carolina

Approximate Study Areas

• 100-year Cyan (FEMA Standard)

• Zone AFE vs. Zone A

• Advisory Flood Elevation (AFE) Annotations

• Coincident County/Streamline Note

North Carolina Floodplain MappingState of North Carolina

Legend Frame

North Carolina Floodplain MappingState of North Carolina

Legend Frame

• All Possible Flooding Zones Shown

• Gray Background for Floodzone Polygons

• Similar to Existing FEMA DFIRM Standard

North Carolina Floodplain MappingState of North Carolina

Table Frame

North Carolina Floodplain MappingState of North Carolina

Table Frame

• Similar to FEMA Approved Mecklenburg County Flood Hazard Data Table

• Cross Section ID, Stream Station, Base Flood Discharge, Base Flood WSEL, and Encroachment Distances Shown

North Carolina Floodplain MappingState of North Carolina

Datum Conversion

Frame

North Carolina Floodplain MappingState of North Carolina

Datum Conversion Frame

• Explanation of Vertical Shift from NGVD 29 to NAVD 88

• Vertical Datum Shift Table Displaying Datum Shift by County

• BMs Referenced to NCGS Website

North Carolina Floodplain MappingState of North Carolina

Scale Frame

North Carolina Floodplain MappingState of North Carolina

Scale Frame

• Representative Fraction, English and Metric Scale Bars Displayed

• NCFLOODMAPS.COM Reference

• NCDEM Reference

• NFIP Reference

North Carolina Floodplain MappingState of North Carolina

Index Frame

North Carolina Floodplain MappingState of North Carolina

Index Frame

• Panel Number is Lower Left Northing and Easting

• NC Land Record Number (In Title Block)

North Carolina Floodplain MappingState of North Carolina

Celebratory Frame

North Carolina Floodplain MappingState of North Carolina

Celebratory Frame

• State of NC Seal, CTS Logo, and FEMA Seal Displayed

• Description of CTS Agreement

• NCFLOODMAPS.COM Reference

North Carolina Floodplain MappingState of North Carolina

Title Block Frame

North Carolina Floodplain MappingState of North Carolina

Title Block Frame

• Dual County Reference

• Map Number Shown for Each County

• State of NC Seal and FEMA Seal

North Carolina Floodplain MappingState of North Carolina

Notes to Users Frame

North Carolina Floodplain MappingState of North Carolina

Notes to Users Frame

• Standard FEMA DFIRM Notes

• Advisory Flood Elevation (AFE) Definition

• References NC Floodplain Mapping Program

• Located at Bottom of FIRM Panel