Hurricanes. Powerful cyclones that form over the ocean in tropical conditions and has an organized circulation. Very Low Pressure area Normal Pressure.

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Presentation transcript:

Hurricanes

Powerful cyclones that form over the ocean in tropical conditions and has an organized circulation. Very Low Pressure area Normal Pressure mb or 14.7 lbs per square inch Generates high winds. 74 mph or greater. Counter Clockwise Rotation – - Northeast quadrant most severe

Quadrants

Categories Five Categories CategoryWindsStorm Surge 174 – 95 mph4-5 ft mph 6-8 ft mph 9-12 ft mph ft mph + 18 ft

Storm Surge Storm surge is a rise in normal water level. Caused by onshore winds and decreased atmospheric pressure.

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

Retired Names 1954 – Carol 1954 – Hazel 1955 – Connie 1955 – Diane 1955 – Ione 1955 – Janet 1957 – Audrey 1960 – Donna 1961 – Carla 1961 – Hattie 1963 – Flora 1964 – Cleo 1964 – Dora 1964 – Hilda 1965 – Betsy 1966 – Inez 1967 – Beulah 1968 – Edna Camille Celia Agnes Carmen Fifi Eloise Anita David Frederic Allen Alicia Elena Gloria Gilbert Joan 1989 – Hugo Isidore Lili Fabian Isabel Juan Charley Frances Ivan Jeanne Dennis Katrina Rita Stan Wilma Dean Felix Noel Diana Klaus Bob Andrew Luis Marilyn Opal Roxanne Cesar Fran Hortense Georges Mitch Floyd Lenny Keith Allison Iris Michelle

Katrina Formed - August 23, 2005August Dissipated - August 31, 2005August Highest winds mph (280 km/h)mphkm/h Lowest pressure mbar (third lowest in history)mbar Storm Surge – 11.5 ft. Damages - $81.2 billion (2005 USD) (costliest Atlantic hurricane in history)USDAtlantic hurricane Fatalities ≥1,836 total