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Storms

Storms. Section 17.2. Storms. A violent disturbance in the atmosphere Involve sudden changes in air pressure, which causes rapid air movements Include - Thunderstorms - Tornadoes - Hurricanes - Winter storms. Thunderstorms.

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Storms

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  1. Storms Section 17.2

  2. Storms • A violent disturbance in the atmosphere • Involve sudden changes in air pressure, which causes rapid air movements • Include - Thunderstorms - Tornadoes - Hurricanes - Winter storms

  3. Thunderstorms • A small storm often accompanied by heavy precipitation and frequent thunder and lightning • Form in large cumulonimbus clouds (thunderheads) • Can have hail • Can have strong updrafts and downdrafts

  4. Thunderstorms • Lightning - positive and negative charges build up in storm clouds - an electrical discharge occurs when the charges jump from: one part of a cloud to another cloud to cloud cloud to ground

  5. Thunderstorms Thunder • Lightning rapidly heats air • The rapidly heated air expands suddenly and explosively causing a thunder sound

  6. Thunderstorm Damage • Flooding/ flash floods • Fires • Unconsciousness, burns, death Safety • Stay indoors • Avoid electrical conductors • Stay low outdoors • Get out of water

  7. Tornadoes • A rapidly whirling funnel shaped cloud that reaches Earth’s surface • Occurs where warm humid air rises rapidly and begins to rotate as it meets other winds

  8. Tornadoes Damage • From strong wind and flying debris • Ranked on a Fujita scale from 0-5 F0 – light F5 – extreme damage Safety • Move to a shelter, basement, or middle of ground floor • Stay away from windows • Lie in a ditch outdoors

  9. Hurricanes • Tropical cyclones (low pressure system) with winds over 119 km/hr (74 mph) • Draw their energy from warm, humid air over water

  10. Hurricanes Damage • High waves and flooding • Wind damage • Storm surge – dome of ocean water due to low pressure Safety • Evacuate

  11. Hurricane Names 2015 AnaBillClaudetteDannyErikaFredGraceHenriIdaJoaquinKateLarryMindyNicholasOdettePeterRoseSamTeresaVictorWanda 2014 ArthurBerthaCristobalDollyEdouardFayGonzaloHannaIsaiasJosephineKyleLauraMarcoNanaOmarPauletteReneSallyTeddyVickyWilfred 2010 AlexBonnieColinDanielleEarlFionaGastonHermineIgorJuliaKarlLisaMatthewNicoleOttoPaulaRichardSharyTomasVirginieWalter 2011 ArleneBretCindyDonEmilyFranklinGertHarveyIreneJoseKatiaLeeMariaNateOpheliaPhilippeRinaSeanTammyVinceWhitney 2012 AlbertoBerylChrisDebbyErnestoFlorenceGordonHeleneIsaacJoyceKirkLeslieMichaelNadineOscarPattyRafaelSandyTonyValerieWilliam 2013 AndreaBarryChantalDorianErinFernandGabrielleHumbertoIngridJerryKarenLorenzoMelissaNestorOlgaPabloRebekahSebastienTanyaVanWendy

  12. Hurricane Names 201420152016201720182019 Arthur Ana Alex Arlene Alberto Andrea Bertha Bill Bonnie Bret Beryl Barry Cristobal Claudette Colin Cindy Chris Chantal Dolly Danny Danielle Don Debbie Dorian Edouard Erika Earl Emily Ernesto Erin Fay Fred Fiona Franklin Florence Fernand Gonzalo Grace Gaston Gert Gordon Gabrielle Hanna Henri Hermine Harvey Helene Humberto Isaias Ida Ian Irma Isaac Imelda Josephine Joaquin Julia Jose Joyce Jerry Kyle Kate Karl Katia Kirk Karen Laura Larry Lisa Lee Leslie Lorenzo Marco Mindy Matthew Maria Michael Melissa Nana Nicholas Nicole Nate Nadine Nestor Omar Odette Otto Ophelia Oscar Olga Paulette Peter Paula Philippe Patty Pablo Rene Rose Richard Rina Rafael Rebekah Sally Sam Shary Sean Sara Sebastien Teddy Teresa Tobias Tammy Tony Tanya Vicky Victor Virginie Vince Valerie Van Wilfred Wanda Walter Whitney William Wendy

  13. Winter Storms • Heavy snow and extreme cold Lake-Effect snow – wind picks up moisture from the warmer Great Lakes. Moisture then precipitates as it is carried over the colder land

  14. Winter Storms Damage • Blocked roads • Crop damage • Bursts water pipes Safety • Find shelter from wind • Cover exposed body parts • Run car engine if exhaust is clear

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