ANNEX J: TOWN OF ROLESVILLE
J.3.2 Wildfire Table J.13 summarizes the acreage in the Town of Rolesville that falls within the Wildland Urban Interface (WUI), categorized by housing density. Areas in the WUI are those where development may intermix with flammable vegetation. Over 15 percent of the Town of Rolesville is not included in the WUI. Table J.13 – Wildland Urban Interface Acreage, Town of Rolesville
Housing Density
Total Acreage
Percent of Total Acreage
Not in WUI
1,246.2
15.6%
LT 1hs/40ac
1,035.0
13.0%
1hs/40ac to 1hs/20ac
964.4
12.1%
1hs/20ac to 1hs/10ac
1,038.5
13.0%
1hs/10ac to 1hs/5ac
1,072.0
13.4%
1hs/5ac to 1hs/2ac
1,180.4
14.8%
1hs/2ac to 3hs/1ac
1,445.6
18.1%
GT 3hs/1ac
3.7
0.0%
Total
7,985.7
Source: Southern Wildfire Risk Assessment
Potential fire intensity is highest in west, south, and northwest Rolesville. These areas, however, are largely outside of the WUI. Additionally, the town has a whole has a low burn probability. Figure J.5 depicts the WUI for the Town of Rolesville. The WUI is the area where housing development is built near or among areas of vegetation that may be prone to wildfire. 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 has a whole has a low burn probability.
Wake County Multi-Jurisdictional Hazard Mitigation Plan 2019
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