SECTION 4: RISK ASSESSMENT
Figure 4.4 – 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 4.17 summarizes the drought events reported by the U.S. Drought Monitor for Wake County from 1998 through 2018. Table 4.17 – Recorded Instances of Drought in Wake County, 1998-2018
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, 100% of the County was considered in a D0 drought (Abnormally Dry) At the drought’s peak, 100% of the County was considered in a D0 drought (Abnormally Dry) 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 March 13 through April 16, 100% of the County was considered in D0 drought (Abnormally Dry) 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
4/6/2004
4/19/2004
2
6/21/2005
6/27/2005
1
9/6/2005
11/28/2005
12
1/31/2006
6/19/2006
20
8/22/2006
9/11/2006
3
3/13/2007
4/16/2007
5
5/8/2007
5/19/2008
54
Wake County Multi-Jurisdictional Hazard Mitigation Plan 2019
74
Made with FlippingBook - professional solution for displaying marketing and sales documents online