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DERECHOS

A derecho is a long-lived wind storm that travels in a straight path, typically occurring in late spring and early summer. It features wind speeds of at least 50 mph and can span over 240 miles. Derechos are categorized based on their thunderstorm origins, with two main types: Serial and Progressive. Both types can cause extensive damage, including downed trees, flying debris, and severe injuries. The devastating derecho of June 29, 2012, affected ten states and caused widespread power outages and structural damage, underscoring the importance of understanding this phenomenon.

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DERECHOS

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  1. DERECHOS BY: HEATHER SCHROEDER MARKETING MAJOR OSU FISHER COLLEGE OF BUSINESS

  2. DERECHO-Wide spread long-lived wind storm that travels in a straight path Typically uncommon, but happen most often in the late spring early summer WHAT IS IT?

  3. Wind speeds of at least 50 mph • Has a path of at least 240 miles • Travels in a relatively straight path Derecho Classifications

  4. How Are they Formed?

  5. Nope! -they are categorized based on how the thunderstom that led to the derecho was formed Types: Serial Derecho Progressive Derecho Are all derechos the same?

  6. Late spring and early fall • Multiple bow echos • Very long squall line • Associated with a migratory strong low pressure system Serial Derecho

  7. Summer • Short squall line • Single bow echo • Stationary front Progressive Derecho

  8. Falling trees • Flying debris • Trucks and busses being blown over • Structural damage • Severe Injury • Death • Power outages Potential Damage

  9. June 29th, 2012 • Affected 10 states • State of emergency was declared for Ohio, Washington D.C., Maryland, West Virginia, and Virginia June 2012 Derecho

  10. 8th “major natural disaster” to hit Ohio • 3rd most expensive storm in Ohio’s history • 20% of electric customers without power • Average wind speeds of 70-80 mph • Top wind gusts at 100 mph in Zainsville • http://www.youtube.com/watch?v=qGDJOc-j1iM Effect in Ohio

  11. What questions do you have?

  12. Sources • http://local.msn.com/what-is-a-derecho • http://www.spc.noaa.gov/misc/AbtDerechos/derechofacts.htm#definition • http://www.erh.noaa.gov/pbz/June29Derecho1.html • http://www.forbes.com/sites/williampentland/2012/10/07/derecho-power-outages-in-perspective/

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