ANNEX J: TOWN OF ROLESVILLE
J.1.4 WILDFIRE Table J.5 summarizes the acreage in the Town of Apex that falls within the Wildland Urban Interface (WUI), categorized by housing density. The WUI is the area where housing development is built near or among areas of vegetation that may be prone to wildfire. Areas in the WUI are those where development may intermix with flammable vegetation. Over 14 percent of the Town of Apex is not included in the WUI. Table J.5 – Wildland Urban Interface Acreage, Town of Rolesville
Housing Density
Total Acreage
Percent of Total Acreage
Not in WUI
639.48
14.2%
LT 1hs/40ac
708.84
15.7%
1hs/40ac to 1hs/20ac
442.36
9.8%
1hs/20ac to 1hs/10ac
477.05
10.6%
1hs/10ac to 1hs/5ac
510.05
11.3%
1hs/5ac to 1hs/2ac
596.85
13.2%
1hs/2ac to 3hs/1ac
1,135.92
25.2%
GT 3hs/1ac
4.00
0.1%
Total
4,514.55
100%
Source: Southern Wildfire Risk Assessment
Figure J.5 depicts the WUI for the Town of Rolesville. Figure J.6 depicts the Fire Intensity Scale, which indicates the potential severity of fire based on fuel loads, topography, and other factors. Figure J.7 depicts Burn Probability based on landscape conditions, percentile weather, historical ignition patterns, and historical prevention and suppression efforts. Potential fire intensity is highest in west, south, and northwest Rolesville. These areas, however, are largely outside of the WUI. Additionally, the town center has some areas to the east and west with a burn probability of moderate to high. These areas of development may be at higher risk for fires. Table J.6 provides the count and estimated value of all structures that intersect with areas of the Town of Rolesville that are rated moderate to high on the WUI Risk Index. Table J.6 – Structures at Risk to Moderate-High WUI Risk Index, Town of Rolesville
Occupancy
Structures at Risk
Structure Value
Estimated Content Value
Total Value
Agriculture
9
$1,867,272
$1,867,272
$3,734,544
Commercial
66
$65,359,273
$65,359,273
$130,718,546
Education
11
$95,099,807
$95,099,807
$190,199,614
Government
14
$83,376,650
$83,376,650
$166,753,300
Industrial
6
$2,503,738
$3,755,607
$6,259,345
Religious
11
$15,285,171
$15,285,171
$30,570,342
Residential
2359
$889,413,183
$444,706,592
$1,334,119,775
Total
2,476
$1,152,905,094
$709,450,372
$1,862,355,466
Source: Southern Wildfire Risk Assessment
Wake County, NC Multi-Jurisdictional Hazard Mitigation Plan
WSP June 2024 Page 509
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