GIS updateGIS update

Frances and Western NCFrances and Western NC

NC Emergency ManagementNC Emergency ManagementFloodplain Mapping ProgramFloodplain Mapping Program

Dams in Western NCDams in Western NC

High Risk Dams in Western High Risk Dams in Western NCNC

36 Total

Next 24 hours rain estimatesNext 24 hours rain estimates

6

54

3

2

Next 24-48 hours rain Next 24-48 hours rain estimatesestimates

1.5

10.50.250.01

Next 48-72 hours rain Next 48-72 hours rain estimatesestimates

0.01

Total Rainfall 36 hoursTotal Rainfall 36 hoursInches

765 4

Major River Basins AffectedMajor River Basins Affected

French Broad

Little Tenn

Watauga

Broad Catawba

Western NC Historic Flooding Western NC Historic Flooding IssuesIssues

►Buncombe CountyBuncombe County Most flooding from the French Broad will be Most flooding from the French Broad will be

to agricultureto agriculture Some commercial within the City of Some commercial within the City of

Asheville.Asheville. It will cause road closures and isolation of It will cause road closures and isolation of

communities. communities. The county has some large junkyards located The county has some large junkyards located

in the floodplain that would be impacted.in the floodplain that would be impacted.

Western NC Historic Flooding Western NC Historic Flooding IssuesIssues

►Madison CountyMadison County Town of Marshal – Elementary School Town of Marshal – Elementary School

experiences flooding from the French experiences flooding from the French BroadBroad

Shelton Laurel Community – The Shelton Shelton Laurel Community – The Shelton Laurel Elementary School and residences Laurel Elementary School and residences along Shelton Laurel Creek and Little along Shelton Laurel Creek and Little Laurel CreekLaurel Creek

Western NC Historic Flooding Western NC Historic Flooding IssuesIssues

►Henderson CountyHenderson County Hendersonville – Considerable commercial Hendersonville – Considerable commercial

property at risk from Mud Creek. This property at risk from Mud Creek. This business district has a history of flooding. business district has a history of flooding.

►Macon CountyMacon County Commercial development in Franklin from Commercial development in Franklin from

the Little Tennessee Riverthe Little Tennessee River

Western NC Historic Flooding Western NC Historic Flooding IssuesIssues

►Transylvania CountyTransylvania County Brevard – Brevard College may experience Brevard – Brevard College may experience

flooding from King Creek as well as flooding from King Creek as well as residences.residences.

County – The French Broad historically comes County – The French Broad historically comes out of its banks and causes considerable out of its banks and causes considerable agriculture flooding and impacts some agriculture flooding and impacts some mobile home parks south of Brevard.mobile home parks south of Brevard.

Rosman – the French Broad River starts just Rosman – the French Broad River starts just upstream from the Town of Rosman and has upstream from the Town of Rosman and has flooded this community many times. flooded this community many times.

Western NC Historic Flooding Western NC Historic Flooding IssuesIssues

► Haywood CountyHaywood County Waynesville – Residential and commercial property is at Waynesville – Residential and commercial property is at

risk from Allen Creek and Richland Creek. Richland Creek risk from Allen Creek and Richland Creek. Richland Creek flooding will impact most of the commercial property. flooding will impact most of the commercial property.

Maggie Valley – A disaster waiting to happen. Practically Maggie Valley – A disaster waiting to happen. Practically all development is located around Jonathan Creek with all development is located around Jonathan Creek with little regard to flooding potential. Both residential and little regard to flooding potential. Both residential and commercial property will be impacted.commercial property will be impacted.

Haywood County has numerous RV parks (100’s of units) Haywood County has numerous RV parks (100’s of units) that are located along the banks of Jonathan Creek. that are located along the banks of Jonathan Creek. Potential for tragedy if adequate warning and evacuation is Potential for tragedy if adequate warning and evacuation is not received. Most are Floridians trying to avoid the hot not received. Most are Floridians trying to avoid the hot summers and hurricanes summers and hurricanes

Canton – Commercial development along the Pigeon River Canton – Commercial development along the Pigeon River

Western NC Historic Flooding Western NC Historic Flooding IssuesIssues

►Eastern Band of Cherokee Eastern Band of Cherokee The casino and conference center is The casino and conference center is

located in the floodplain of the Soco River, located in the floodplain of the Soco River, they are elevated, but to an old flood they are elevated, but to an old flood study. study.

Commercial property along the Commercial property along the Oconaluftee River Oconaluftee River

Numerous campgrounds and RV parks Numerous campgrounds and RV parks must be evacuated. must be evacuated.

Western NC Historic Flooding Western NC Historic Flooding IssuesIssues

►Swain CountySwain County Bryson City – Many, if not most of the Bryson City – Many, if not most of the

structures in the business district are located structures in the business district are located in the floodplain of the Tuckasegee River and in the floodplain of the Tuckasegee River and are as much as 3-4 feet below base flood are as much as 3-4 feet below base flood elevationelevation

► Jackson CountyJackson County Western Carolina University/ Cullowhee may Western Carolina University/ Cullowhee may

experience flooding from the Tuckasegee experience flooding from the Tuckasegee River. Mostly non-residential.River. Mostly non-residential.

Questions ? Questions ?