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2024 Hennepin County All -Jurisdiction Hazard Mitigation Plan <br />Volume 2 — Hazard Inventory <br />automatically in which they then send off the notification of tornado warning as well: Wireless Emergency <br />Alerts (WEA), Outdoor Warning Sirens, Digital Message Signs, IPAWS, and NOAA Weather Radios. In <br />addition to the automatic notification, television and radio station may also begin to broadcast the <br />warning information. <br />4.3.2.11. Critical Values and Thresholds <br />According to NOAA, there is no single critical threshold values to confirm or predict the occurrence of <br />tornadoes of a particular intensity without looking at damage. The critical values of the F & EF tornadoes <br />scales can be seen above in the Range of Magnitude section. <br />4.3.2.12. Prevention <br />There is nothing you can do to prevent a tornado from occurring. However, you can prevent some of the <br />consequences from occurring by being prepared. It is crucial to always be aware of the weather forecast <br />and if there is a possibility of severe weather. Further, having multiple methods of receiving weather alerts <br />from official sources is also important. <br />4.3.2.13. Mitigation <br />While there is no way to prevent a tornado from occurring, you can prevent some of the consequences <br />from occurring by being weather aware for life safety, build safe rooms for sheltering or retrofit walls to <br />safe room standard. Here are some of the ideas from the FEMA Mitigations Handbook <br />Education and Awareness Programs: <br />• Conduct outreach activities to increase awareness of tornado risk and impacts. <br />• Educate citizen through media outlets. <br />• Conducting tornado drills in schools and public buildings <br />• Teaching schoolchildren about the dangers of tornadoes and how to take safety precautions. <br />• Distributing tornado shelter location information <br />• Supporting severe weather awareness week <br />• Promoting use of National Oceanic and Atmospheric Administration (NOAA) Weather Radios. <br />Construction of Safe Rooms: <br />• Requiring construction of safe rooms in new schools, daycares, and nursing homes. <br />• Encouraging the construction and use of safe rooms in homes and shelter areas of manufactured <br />home parks, fairgrounds, shopping malls, or other vulnerable public structures. <br />• Encouraging builders and homeowners to locate tornado safe rooms inside or directly adjacent <br />to houses to prevent injuries due to flying debris or hail. <br />• Developing a local grant program to assist homeowners who wish to construct a new safe room. <br />Require Wind -Resistant Building or Retrofitting Techniques: <br />• Structural bracing <br />• Straps and Clips Anchor Bolts <br />• Laminated or impact -resistant glass. <br />• Reinforcement pedestrian and garage door <br />79 <br />