ANNEX C: TOWN OF APEX
C.1.4 WILDFIRE Table C.6 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 20 percent of the Town of Apex is not included in the WUI. Table C.6 – Wildland Urban Interface Acreage, Town of Apex Housing Density Total Acreage Percent of Total Acreage Not in WUI 3,450.33 20.5% LT 1hs/40ac 1,725.59 10.3% 1hs/40ac to 1hs/20ac 1,293.36 7.7% 1hs/20ac to 1hs/10ac 1,476.03 8.8% 1hs/10ac to 1hs/5ac 1,361.57 8.1% 1hs/5ac to 1hs/2ac 1,243.99 7.4% 1hs/2ac to 3hs/1ac 4,570.84 27.2% GT 3hs/1ac 1,697.14 10.1% Total 16,818.84 100% Source: Southern Wildfire Risk Assessment Figure C.5 depicts the WUI for the Town of Apex. Figure C.6 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 southern and western part of the Town of Apex; however, these areas, as with much of the town, have lower burn probability and are outside of the WUI. Much of the most densely developed area in the WUI have low to moderate fire intensity. Table C.7 provides the count and estimated value of all structures that intersect with areas of the Town of Apex that are rated moderate to high on the WUI Risk Index. Table C.7 – Structures at Risk to Moderate-High WUI Risk Index, Town of Apex
Occupancy
Structures at Risk
Structure Value
Estimated Content Value
Total Value
Agriculture
28
$37,682,863
$37,682,863
$75,365,726
Commercial
360
$600,015,005
$600,015,005
$1,200,030,010
Education
24
$206,808,376
$206,808,376
$413,616,752
Government
48
$129,053,344
$129,053,344
$258,106,688
Industrial
120
$317,841,179
$476,761,769
$794,602,948
Religious
59
$147,223,584
$147,223,584
$294,447,168
Residential
15754
$6,519,250,871
$3,259,625,436
$9,778,876,307
Total
16,393
$7,957,875,222
$4,857,170,376
$12,815,045,598
Source: Southern Wildfire Risk Assessment
Wake County, NC Multi-Jurisdictional Hazard Mitigation Plan
WSP June 2024 Page 407
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