2010 Metro Mitigation Plan

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Step 2: Involve the Public In addition to the CPT, public input notices were routinely sent to local media outlets, posted on the internet, sent out by mass emails and visibly posted at the local courthouse. As noted in step 3, coordination with other outside agencies was critical and implemented. During the planning process the public was afforded the opportunity to comment on the plan. Step 3: Coordinate with other Departments and Agencies Early in the planning process, the CPT determined that data collection, mitigation and action strategy development, and plan approval would be greatly enhanced by inviting other state and federal agencies to participate in the planning process. Based on their involvement in hazard mitigation planning, representatives from the following key agencies were offered inclusion as members of the CPT: • Tennessee Emergency Management Agency; • FEMA Region IV; • U.S. Army Corps of Engineers, Nashville District; • Natural Resource Conservation Service, State Conservationist; • National Flood Insurance Program (NFIP) State Coordinator; and • Tennessee Natural Resource Conservation Service. A copy of the invitation is included in Appendix A. Representatives from the National Weather Service participated as members of the CPT. In addition, technical data, reports, and studies were obtained from these agencies either through web-based resources or directly from the agencies. Neighboring communities were also contacted and provided with a copy of the Draft plan for review and comment. These communities include: • Belle Meade; • Berry Hill; • Forest Hills; • Goodlettsville; • Lakewood; • Oak Hill; and • Ridgetop. Relationship to Other Community Planning Efforts and Hazard Mitigation Activities Coordination with other community planning efforts is also paramount to the success of this Plan. Hazard mitigation planning involves identifying existing community policies, tools and actions that will reduce a community’s risk and vulnerability from natural hazards. Metro utilizes a variety of comprehensive planning mechanisms to guide and control community development, such as land use and master plans, emergency response and mitigation plans, and municipal ordinances and building codes. Integrating existing planning efforts and mitigation policies and action strategies into this Hazard Mitigation Plan establishes a credible and consistent plan that ties into and supports other community programs. This Plan, Metropolitan Nashville-Davidson County Planning Process Multi-Hazard Mitigation Plan - FINAL Page 3-4 April 2010
therefore, links the specific natural hazards that present a risk in the community with the existing mitigation elements found in the various community plans. The development of this Plan drew upon information included in the following plans, studies, reports, and initiatives: • Mayor’s Office of Emergency Management, Comprehensive Emergency Management Plan (CEMP), March 2008; • Mayor’s Office of Emergency Management, Local Hazard Mitigation Plan, April 2005; • MWS, Stormwater Management Studies, various watersheds, 1988 – 2001; • MWS, Stormwater Program and Organizational Study, January 2002; • MWS, Community Rating System Action Plan, July 2003; • MWS, Major Capital Improvement Program Planning and Prioritization, July 2003; • MWS, Floodplain Management Plan for Repetitive Loss Areas, October 2002; • MWS, Stormwater Business Plan, FY2009 – FY2013, February 1, 2008 • Metro Planning: Concept 2010 – A General Plan for Nashville and Davidson County, February 1992; • Metro Planning: Subarea Plans, multiple plans, 1995-2009; • NES, Emergency Load Curtailment Plan, Summer 2009 (updated semi-annually); • NES, Emergency Response Plan (updated annually); and • NES, Vegetation Management Plan – Cycle 3, July 2009. Additional references are included in Appendix D. Step 4: Assess the Hazard The CPT previously conducted a Hazard Identification study to determine which hazards threaten the planning area. Research focused on previous occurrences of natural hazards, those that might occur in the future, and the likelihood of their occurrence or recurrence. The hazards identified and investigated in the Metro area include: • Dam and Levee Failures; • Flooding • Geological Hazards, which include − Earthquakes, and − Landslides and Sinkholes; • Infestations; • Manmade Hazards; and • Severe Weather, which includes: − Droughts / Wildfires; − Extreme Temperatures; − Thunderstorms / High Winds; − Tornadoes; and − Winter Storms. Metropolitan Nashville-Davidson County Planning Process Multi-Hazard Mitigation Plan - FINAL Page 3-5 April 2010
Page 1 and 2: Metropolitan Nashville-Davidson Cou
Page 3 and 4: 4.2 Vulnerability Assessment ......
Page 5 and 6: LIST OF FIGURES Figure 2-1 Metropol
Page 7 and 8: USDA USGA WCT WNV United States Dep
Page 9: Metropolitan Nashville-Davidson Cou
Page 12 and 13: equired revision every 5 years. The
Page 14 and 15: Figure 2-1. Metropolitan Nashville-
Page 16 and 17: Subarea 1 - Joelton Joelton is loca
Page 18 and 19: Nashville, coupled with the concent
Page 20 and 21: Interstate 24 and Briley Parkway; t
Page 22 and 23: (This page has been left blank inte
Page 24 and 25: Figure 3-1. Similarity Between DMA
Page 28 and 29: Step 5: Assess the Problem Once the
Page 34 and 35: Table 4-1. Federal Disaster Declara
Page 38 and 39: Figure 4-2. Dams and Levees within
Page 40 and 41: management. Total storage capacity
Page 42 and 43: infrequent occurrence. There has ne
Page 44 and 45: Likelihood of Future Occurrences Th
Page 46 and 47: WATERSHED Table 4-3. Major Sources
Page 48 and 49: All streams within Metro Nashville,
Page 50 and 51: Nashville entered the flood insuran
Page 52 and 53: Damage Reach 1 Damage Reach 2 Damag
Page 54 and 55: Dry Creek Watershed The Dry Creek W
Page 56 and 57: performed. Primarily a rural portio
Page 62 and 63: Table 4-13. Pages Branch Damage Rea
Page 64 and 65: Table 4-14. Richland Creek Damage R
Page 70 and 71: 2.96. Damage Reach 12 is located on
Page 72 and 73: Cumberland River The Cumberland Riv
Page 74 and 75: The Southern Appalachian Seismic Zo
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40g 30g 25g 20g 15g 10g 9g 8g 7g 6g
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(This page left blank intentionally
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Figure 4-10. Evidence of Landslides
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Figure 4-11b. Slopes greater than 2
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Figure 4.13 Karst Hazard Map of Ten
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Human cases have been reported in a
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(This page has been left blank inte
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The PDSI indicates that for the per
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Figure 4-18. Tennessee Forestry Dis
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how hot it feels to an individual w
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Figure 4-21. Average Number of Thun
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Past Occurrences Several severe tor
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Past Occurrences There have been 16
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Critical Facilities Of significant
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Scientific Name Common Name Federal
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Historic and Natural Resources are
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West Nile Virus is spread through m
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DAM & LEVEE FAILURES Risk - Moderat
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WNQM AM 1300; WUPX UPN 30; WVOL AM
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Table 4-31. Earthquake Hazard Damag
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Figure 4-25 Tornado Siren Locations
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Table 4-33. Metropolitan Nashville-
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Evaluation of Existing Capabilities
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Harpeth River - Newsom Station Road
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4. MWS has prioritized Capital Impr
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GOAL #3: Objective 3.1: Objective 3
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measures. Team members were allowed
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2009 Update: Since the creation of
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Community Benefit: Potential fundin
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staff gages were installed in 2009
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Existing permit procedures should b
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Community Benefit: Life safety, Pot
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• Develop public-private partners
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2009 Update: MWS continues to send
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Metro officials should talk to thei
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COMPLETED ACTION 4: Double the numb
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• Construct tornado saferooms and
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With the adoption of this plan, the
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of the CPT. In addition, technical
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PROMULGATION STATMENT Date: TBD To:
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2. Multi-Hazard Mitigation Plan Sta
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METROPOLITAN GOVERNMENT OF NASHVILL
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Figure A-5 Mass email sent out from
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FLOODING-1 No. Location Historical
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FLOODING-3 No. Location Historical
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EARTHQUAKES-2 No. Date Richter Magn
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INFESTATIONS-1 West Nile Virus Loca
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WILDFIRES-1 No. Location Year Histo
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EXTREME COLD TEMPERATURES-2 No. Loc
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EXTREME HOT TEMPERATURES-1 No. Loca
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THUNDERSTORMS-1 No. Location Histor
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TORNADOES-2 No. Location Historical
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TORNADOES-4 No. Location Historical
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WINTER STORMS-1 No. Location Histor
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Metropolitan Nashville - Davidson C
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MCALPINE AV Cooper Creek DR 3 HART
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Trib. No. 3 GALLATIN PK OLD HICKORY
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HEATH RD BUFFALO RD HUNTWICK TRL HW
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NOLENSVILLE PK Sevenmile Creek DR 1
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Mill Creek Sorghum Branch ANTIOCH P
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HART LN BRICK CHURCH PK I- 65 §¨
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SUMMERLY DR W HILLWOOD DR DARDEN PL
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Stones River STEWARTS FERRY PK reek
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SAUNDERSVILLE RD SHUTE LN ANDREW JA
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Cumberland River RIVER RD RIVER ROA
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Cumberla nd River Browns Creek DR 1
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Metropolitan Nashville - Davidson C
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Metropolitan Nashville Department o
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Reconnaissance Report for Flood Dam
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Extreme Temperatures Chronology of
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2010 Metro Mitigation Plan

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