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Most Hurricanes are Category 1-3 on the Saffir-Simpson scale. Few are 4 & 5. 1900-2007 climatology.
September is Hurricane Month.
Global sea surface temperatures T > 81 o F=27 °C for hurricane formation
North African dust storms can weaken a hurricane season.
Warm enough ocean temperatures & large enough Coriolis force (Latitudes greater than 10 degrees)
Vertical Wind Shear
High Vertical Wind Shear: Destroys hurricane formation
Low Vertical Wind Shear Enhances hurricane formation
Stages in development 20-34 knots >64 knots 35-63 knots Complexes of thunderstorms Names are given to Tropical storms and Hurricanes
Eye Eye Wall Rain Bands
Katrina August 28, 2005 TRMM (Tropical Rainfall Measuring Mission)
Surface Pressure lowest in eye and wind speeds highest in eye-wall
Hurricanes are in the water near North America, Typhoons Near Eastern Asia, Cyclones everywhere else.
El Nino and Hurricanes
Red- tropical storms and hurricanes Yellow- hurricanes only Green- cat 3 or larger.
Tropical Cyclones, Hurricanes, and Typhoons Winds speeds in excess of 64 knots (74 mph)
Chapter 12 Tropical Storms and Hurricanes. Extremely strong tropical storms go by a number of different names, depending on where they occur. Over the.
Class #7: Monday, September 13, 2010 Hurricanes Chapter 15 1Class #7, Monday. September 13, 2010.
Chapter 15. Tropical Weather Noon sun is always high, seasonal temperature changes small Daily heating and humidity = cumulus clouds and afternoon.
*Refer to Chapter 12 in your Textbook. Learning Goals 1. I can explain how a monsoon forms. 2. I can explain how a cyclone forms. 3. I can compare and.
6/9/ Hurricane Basics A Presentation on Hurricane Basics. Part of the Hurricane Learning Series By Hurricaneville.
Quick Hurricane Facts For YOU!. What is a Hurricane? Intense low-pressure storms that have sustained winds of at LEAST 74mph – an organized system of.
Hurricanes. What is a hurricane? A hurricane is a type of tropical cyclone, the general term for all circulating weather systems over tropical waters.
Hurricane Ike Hurricane Gustav How does weather affect society?
IntroIntro Objective 04/27/12 Describe the formation of hurricanes. What is the difference between a hurricane, a typhoon, and a cyclone?
Hurricanes Hurricanes form in the water. From space they look like a huge cloud with an eye in the middle. Only a few hurricanes made it to land, when.
Hurricanes. What Is A Hurricane? Hurricanes are intense tropical cyclones with a maximum sustained speed of at least 65 knots (74mph). Hurricanes are.
Hurricanes Typhoons and tropical cyclones. Tropical Storms What are they How they form Where they form Where they go What they do.
Chapter 11: Hurricanes Tropical weather Tropical weather Anatomy of a hurricane Anatomy of a hurricane Hurricane formation and dissipation Hurricane formation.
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Hurricane Formation El Nino. Warm-up: water cycle review. Label the arrows with these terms: What are the 2 possibilities for precipitation that hits.
By: Nichole Quihuis Grade 7. A Hurricane is… A rotating cyclone of thunder storms with a defined central eye Sustained wind speeds of at least 74 mph.
Weather and Climate Unit Investigative Science. * Normally peaceful, tropical oceans are capable of producing one of Earth’s most violent weather systems—tropical.
Hurricanes. And finally… JOURNAL COLLECTION How they develop What they’re like Where to find them Andrew or Isabel Important test and other information.
Elephants are capable of swimming 20 miles. The hurricanes that effect the Eastern part of the U.S. Originate off the west Coast of Africa. They start.
Hurricanes By: Henry. What are Hurricanes? Hurricanes are large tropical storms with heavy winds. They contain winds in excess of 74 miles per hour and.
Lecture 21: Hurricanes Typhoons (Western Pacific) Tropical Cyclones (anywhere) Cyclones (Indian Ocean + others) Hurricanes (near N. America) 4/22/03.
Describing distribution Can you see patterns or do they occur randomly? Do they occur on land or in the sea? Which continents can you identify? Are.
WOW THIS IS FUN! THE SUN : CLIMATE IS DIRECTLY LINKED TO THE SUN. SOME AREAS RECEIVE MORE OF THE SUN’S HEAT ENERGY THAN OTHERS. WINDS : MOVEMENT.
What are Hurricanes? Severe Tropical Storms mph winds 600+ miles across Move East to West at 15+ mph Happen mostly in the Summer months.
How Hurricanes Work Roger Robertson Samuel Olson.
Hurricanes One of Natures most powerful and destructive storms.
SCIENCE NEWS. TROPICAL CYCLONES Weather related deaths in the u.s.
Hurricanes Chapter Objectives The conditions required for tropical cyclone development The life cycle of a tropical cyclone The dangers of tropical.
Do Now 2/14/13 1. The hardest mineral is _______ and the softest mineral is ________. 2. The highest point of a wave is called the ________. 3. Nitrogen.
The World’s Ocean Currents. Ocean Currents 160 Million Years Ago 100 Million Years Ago 30 Million Years Ago.
HURRICANE DEVELOPMENT What conditions are required? Water temperatures > 26.5°C Convergence of surface winds Upper air divergence Organized mass of thunderstorms.
1 Hurricane characteristics Sustained winds of 120 km or more Sustained winds of 120 km or more Sea level pressure < than 990 mb Sea level pressure < than.
Where Do the Hurricanes Come From?. Radiation Vapor/Cloud/precipitation Shallow convection Boundary layer turbulence Mesoscale convective system Thunderstorm.
Hurricanes ATS 351 Lecture 12 November 30, Outline Formation Stages of development Structure of hurricanes Saffir-Simpson scale Movement Dissipation.
Pressure Systems Low pressure: an area where the atmospheric pressure is lower than the surrounding area Air rises then it cools and condenses Weather:
By:Ashleigh Richardson. Hurricanes are severe tropical storms that form in the southern Atlantic Ocean, Caribbean Sea, Gulf of Mexico, and in the eastern.
Chapter 11 Notes Hurricanes. Tropical Storms Boris and Christiana Together-2008 Profile of a Hurrican Most hurricanes form between the latitudes of 5.
Tropical Cyclone Hazards in the Pacific
Topic: Hurricanes Key terms: Hurricanes Saffir-Simpson Scale Eye Storm surge.
Chapter 11 Hurricanes Maritime Tropical air-masses (mT) air Streamlines are used to analyze and track weather Tropical waves Clusters of thunderstorms.
Jeopardy Composition of Hurricanes Locating Storms Type of Storms Hurricane Categories Organizations Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200.
NAVY HYDROGRAPHIC CENTRE CHM CATARINA: A CASE STUDY ON THE SYSTEM FORMED IN THE SOUTH ATLANTIC.
Planetary Atmospheres, the Environment and Life (ExCos2Y) Topic 8: Storm Systems Chris Parkes Rm 455 Kelvin Building.
Hurricanes are cyclones that develop over the warm tropical oceans and have sustained winds in excess of 64 knots (74 miles/hour) These storms are.
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