Wake County Hazard Mitigation Plan - Adopted 10-21-2024

ANNEX F: TOWN OF GARNER

F.1.4 WILDFIRE Table F.6 summarizes the acreage in the Town of Garner 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 11 percent of the Town of Garner is not included in the WUI. Table F.6 – Wildland Urban Interface Acreage, Town of Garner

Housing Density

Total Acreage

Percent of Total Acreage

Not in WUI

1,438.59

11.4%

LT 1hs/40ac

898.78

7.1%

1hs/40ac to 1hs/20ac

675.69

5.4%

1hs/20ac to 1hs/10ac

755.49

6.0%

1hs/10ac to 1hs/5ac

990.76

7.9%

1hs/5ac to 1hs/2ac

1,504.99

12.0%

1hs/2ac to 3hs/1ac

6,103.24

48.5%

GT 3hs/1ac

205.12

1.6%

Total

24,966.8

100%

Source: Southern Wildfire Risk Assessment

Figure F.5 depicts the WUI for the Town of Garner. Figure F.6 depicts the Fire Intensity Scale, which indicates the potential severity of fire based on fuel loads, topography, and other factors. Figure F.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 southwest and east Garner. Some of these areas do fall within the WUI but have a lower burn probability. The area of greatest risk in are in the central-eastern region where WUI overlays with moderate burn probability and moderate to high potential fire intensity levels. Table F.7 provides the count and estimated value of all structures that intersect with areas of the Town of Garner that are rated moderate to high on the WUI Risk Index. Table F.7 – Structures at Risk to Moderate-High WUI Risk Index, Town of Garner

Occupancy

Structures at Risk

Structure Value

Estimated Content Value

Total Value

Agriculture

39

$13,368,749

$13,368,749

$26,737,498

Commercial

461

$614,678,860

$614,678,860

$1,229,357,720

Education

42

$287,289,509

$287,289,509

$574,579,018

Government

86

$497,196,017

$497,196,017

$994,392,034

Industrial

202

$422,103,619

$633,155,429

$1,055,259,048

Religious

99

$133,261,115

$133,261,115

$266,522,230

Residential

12002

$3,619,908,850

$1,809,954,425

$5,429,863,275

Total

12,931

$5,587,806,719

$3,988,904,104

$9,576,710,823

Source: Southern Wildfire Risk Assessment

Wake County, NC Multi-Jurisdictional Hazard Mitigation Plan

WSP June 2024 Page 456

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