ANNEX C: TOWN OF APEX
C.3.2 Wildfire Table C.14 summarizes the acreage in the Town of Apex 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 17 percent of the Town of Apex is not included in the WUI. Table C.14 – Wildland Urban Interface Acreage, Town of Apex
Housing Density
Total Acreage
Percent of Total Acreage
Not in WUI
4,230.0
17.9%
LT 1hs/40ac
2,393.3
10.1%
1hs/40ac to 1hs/20ac
1,859.2
7.9%
1hs/20ac to 1hs/10ac
2,299.7
9.7%
1hs/10ac to 1hs/5ac
2,589.9
11%
1hs/5ac to 1hs/2ac
2,664.6
11.3%
1hs/2ac to 3hs/1ac
5,829.0
24.7%
GT 3hs/1ac
1,721.8
7.3%
Total
23,587.5
Source: Southern Wildfire Risk Assessment
Table C.5 depicts the WUI for unincorporated Wake County. The WUI is the area where housing development is built near or among areas of vegetation that may be prone to wildfire. Figure A.7 depicts the Fire Intensity Scale, which indicates the potential severity of fire based on fuel loads, topography, and other factors. Figure C.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 southeast part of the Town of Apex; however, these areas, as with much of the town, have lower burn. Much of the most densely developed area in the WUI have low to moderate fire intensity.
Wake County Multi-Jurisdictional Hazard Mitigation Plan 2019
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