SECTION 4: RISK ASSESSMENT
Figure 4.11 – US Drought Monitor Classifications
Source: US Drought Monitor
The most severe drought to impact Wake County within the past 20 years occurred when the county spent 54 weeks in drought from May 2007 to May 2008. At the drought’s peak from October 2, 2007 through March 4, 2008, the entirety of the county was considered in D4 (Exceptional) drought.
Impact: 1 – Minor
Spatial Extent: 4 – Large HISTORICAL OCCURRENCES
Table 4.21 summarizes the drought events reported by the U.S. Drought Monitor for Wake County from 1998 through 2023 for events where the drought classification exceeded D0 (Abnormally Dry) in at least part of the county. Table 4.21 – Recorded Instances of Drought in Wake County, 1998-2023
Duration (Weeks)
Start Date
End Date
Details
At the drought’s peak from August 13 through August 19, 51.27% of Wake County was considered in a D4 drought (Exceptional) At the drought’s peak from November 1 through November 21, 28.99% of the County was considered in a D2 drought (Severe) At the drought’s peak from April 11 through May 1, 100% of the County was considered in a D2 drought (Severe) At the drought’s peak from August 29 through September 4, 64.94% of the County was considered in D1 drought (Moderate) At the drought’s peak from October 2, 2007 through March 4, 2008, 100% of the County was considered in D4 drought (Exceptional)
10/31/2000 11/11/2002
106
9/6/2005
11/28/2005
12
1/31/2006
6/19/2006
20
8/22/2006 9/11/2006
3
5/8/2007
5/19/2008
54
Wake County, NC Multi-Jurisdictional Hazard Mitigation Plan
WSP June 2024 Page 100
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