Surface wind speed map for the 23 rd

Surface wind speed map for the 23 rd May 2020 from http: //earth. nullschool. net Ocean currents and sea surface temperature from https: //earth. nullschool. net on 23 rd May 2020 1. Can you name any of the ocean currents? Connect your 2. Are there any patterns on the wind direction animation? learning 3. Using evidence from the Sea Surface Temperature and Wind Speed map can you say why we get ocean currents?

What am I? Hold up your whiteboard with your guess • You’ll know I’m coming up to a week before I arrive • I have many names, but you’ve probably never met me • Eventually I will slow down and disappear • I can destroy most things • I’m a killer; I can crush you, drown you, and make you sick • I can be hundreds of miles across • I can be more powerful than a nuclear bomb • I’m powered by the Sun • I only have one eye

I’m a Tropical Cyclone (also known as a typhoon or hurricane) Describe the satellite image – what do you see? Hurricane Maria, 2017. About 900 miles across.

Tropical Cyclones

Tropical cyclones Objectives 1. To understand what weather and hazards are associated with a Tropical Cyclone 2. To be able to describe the structure of a Tropical cyclone 3. To be able to explain how and why Tropical cyclones form Outcomes 1. Completed answers to questions on a video about Hurricane Dorian 2. A diagram of a tropical cyclone 3. Explained annotations on your diagram of a tropical cyclone

What are Tropical Cyclones?

What are the Impacts of Tropical Cyclones? https: //youtu. be/T-j. Ej 8 Bh 5 Kc 1. Describe the weather during Hurricane Dorian – a tropical cyclone. 2. Describe the effects of this tropical cyclone on people and the environment

WORD BOX Complete the diagram below by Cumulonimbus adding each word from the box into thunderstorms 26°C+ Eye wind the gaps Rain Cross section through a tropical cyclone Low shear Spiral of fastest winds around the Anvil of Cooler sinking air Line of cross section clouds Spiral bands of bands About 12 KM Warm upwelling air Warm Ocean Water 500 to 2000 km

Cross section through a tropical cyclone Low WIND shear Spiral of fastest winds Line of cross around the EYE WALL section Cooler Anvil of CUMULONIMBUS sinking air clouds EYE Spiral bands of THUNDERSTORMS RAIN bands Warm upwelling air Warm Ocean Water 26°C+ 500 to 2000 km About 12 KM

Where do TROPICAL CYCLONES occur?

Tropical Cyclones (hurricanes, typhoons) develop as a result of particular physical conditions. 1. Map from memory exercise – Tropical cyclone location. 2. You are in groups of 3, you will get to come to the front of the class and look at the picture for 30 seconds, then go back to your table to reproduce what you saw 3. 5 goes a team Once finished; 4. Describe the location of Tropical cyclones

KEY Map of major Tropical Cyclones NORTH AMERICA TROPIC OF CANCER (23. 5°N) EUROPE Typhoon Haiyan rian IA AS i Hurr 13 9 AFRICA HURRICANES EQUATOR TYPHOONS 26 2 9 9 SO AM UT ER H IC A TROPIC OF CAPRICORN (23. 5°S) HURRICANES Direction of cyclone movement Do cane Average number of cyclones a year Local basin name for tropical cyclones 9 Sea temperatures go above 26°C 7 CYCLONES 9 AU ST RA LA SI A

70°N 60°N 50°N 40°N 30°N 20°N 10°N 5°N 0° 5°S 10°S 20°S 30°S 40°S 50°S This map shows the tracks of all tropical cyclones which formed worldwide from 1985 to 2005. 1. Which areas get the most tropical cyclones? 2. Look carefully between 5°N and 5°S – what do you notice? Background image: NASA this version: Nilfanion / Public domain

Describe the location of Tropical cyclones USEFUL SENTENCE STARTERS Tropical cyclones are found. . . Most Tropical cyclones occur in. . . The least Tropical cyclones occur. . . Many Tropical cyclones occur at the latitudes of. . . There are no Tropical cyclones. . . Tropical cyclones are called … The countries most affected by Tropical cyclones are… This second map shows that we do not get Tropical cyclones between the latitudes of…

Skills exercise: Using GIS to plot tropical cyclone data Use the Hurricane Dorian Excel data to plot the track of this Hurricane. There is an instructional video opposite to help you. 1. Select all of the data in the table 2. Click on “ 3 D maps” 3. Click on “new tour” 4. Click on “Flat map” 5. Click on “add field” in “Height” on the right hand menu and add the wind speed data (mph) 6. Change the graph type to a “heat map”

How do TROPICAL CYCLONES form?

Tropical Cyclones 1. Take notes on https: //youtu. be/Ik 2 GPo 6 -Av. Y 2. Add some extra annotations to your cross section of a tropical cyclone diagram to explain how they form – the next slide will help too.

1. The sun sends incoming solar radiation to Earth which warms our oceans 5. Some cooled air sinks back down helping to create the EYE 7. The whole cyclone Line of cross section rotates because of the Earth’s spin 4. This air cools as it rises, causing condensation to occur and clouds to form 6. Air rushes in from outside the cyclone creating winds 3. This causes warm MOIST air to rise through the air 2. This warms the oceans to a critical 26°C 500 to 2000 km

Key Impacts of Tropical Cyclones • Storm surge: A rise in sea level due to the low pressure and winds pushing water onshore. In 1899’s Cyclone Mahina the storm surge was 14. 5 m. Hurricane Katrina caused a 7. 7 to 8. 5 m storm surge in 2005 • Extreme rainfall: Tropical Cyclone Hyacinthe was associated with over 6 m of rainfall. Hurricane Harvey dumped 1. 53 m of rainfall on Texas in 2017. • High winds: The 1924 Cuba hurricane had wind speeds of 165 miles per hour. Hurricane Laura in 2020 hit 150 miles per hour

We can prepare for Tropical Cyclones! Is there enough detail on the poster below? Could anything else be included? https: //www. weather. gov/safety/hurricane-plan

<5 Review – True or false? 6 -8 1 -10 in the back of your books 5 seconds thinking time per question 9+ The leaves barely rustle Getting pretty breezy Blown away! 1. If a storm isn’t spinning, it can’t be a tropical cyclone 1. True 2. A tropical cyclone will always have a name 2. True 3. A tropical cyclone can form over land 3. False 4. The name for hot air rising is ‘convection’. 4. True 5. A tropical cyclone will have winds of at least 74 mph. 5. True 6. A tropical cyclone can only form over water that is 20 o. C or warmer 6. False 7. A tropical cyclone would spin clockwise in the North Atlantic 7. False 8. A tropical cyclone could form in the Arctic Ocean 9. A tropical cyclone near Japan would be called a hurricane. 10. Tropical cyclones can happen in any month of the year OR https: //quizlet. com/_8 y 59 ir? x=1 jqt&i=38 anvz 8. False 9. False 10. True

Tropical Storms and climate change 1850 1900 1950 In a warming world what will the consequences be for people living in areas that suffer tropical cyclones? 2000 2018

Thunk Question Thunk question “A Thunk question is a…simple-looking question about everyday things that stops you in your tracks and helps you start to look at the world in a whole new light. ” https: //www. indep endentthinking. co. uk/thunks/ n. b. Thunk in this sense is not an official word in the Cambridge English Dictionary! Does the sky weigh more on a cloudy day?

Further resources This lesson was designed to give key stage 3 students a “taster” or introduction to Tropical Cyclones – there a huge amount of great resources and lesson idea here https: //www. metlink. org/