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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)
Tropical Storms and Hurricanes
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.
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.
Typhoons and tropical cyclones
Chapter 11: Hurricanes Tropical weather Anatomy of a hurricane
SEVERE STORMS: HURRICANES The Most Powerful Storms on Earth.
HURRICANES. Ingredients for a hurricane to form: 1. Water temperature 80 ° or more. 2. Surface level low pressure 3. Upper level high pressure. L H.
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.
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