Hurricanes

Huge spinning storms with powerful winds are called hurricanes. The winds whirl about a calm ‘eye’ in the centre. Hurricanes form over warm oceans and do a lot of damage when they hit land.

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Video : A star-studded, scandal: Jho Low's $5 billion heist

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As the sun heats the oceans, warm, moist air rises to form thunderclouds. Cold air rushes in at the bottom. The thunderclouds merge and start to spin.

Hurricane winds blow at more than 300 kilometres per hour. Whole trees can be uprooted. it is very dangerous to be outside in a hurricane.

When hurricanes hit land, roaring winds can destroy homes and other buildings. These storms also bring heavy rain and can cause floods.

Did you know, fierce storm are called hurricanes if they form in the Atlantic Ocean. If they form in the western Pacific, they are called typhoons.

Hurricane Katrina

In 2005, a powerful hurricane called Hurricane Katrina struck the southern United States. The coastal city of New Orleans was badly flooded. It was the most destructive storm that has ever hit the United States.

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Another new Malaysia’s book of record. 732 Santa Claus & Santarina joined Christmas treasure hunt at Spritzer Eco Park. Well done to the organiser who helped to promote Taiping, our own heritage city. 🎄🎄

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Hurricane Katrina wrecked seaside towns when it blew in off the ocean. Powerful winds tossed this truck into a tree. Boats were sucked out of the sea and hurled onto the shore.

Roaring winds, rough seas and heavy rain caused flooding. The Mississippi River spilled over high banks called levees that had been built to prevent flooding. Water poured into the nearby city of New Orleans.

City leaders ordered everyone to leave New Orleans. Helicopters and boats rescued people who had been stranded in their homes by the rising floodwater.

When the water finally drained away, the levees were rebuilt. Damaged buildings then had to be repaired. It was a long time before it was safe for people to return to their homes.

Katrina facts

* Winds of up to 280 kilometres per hour were recorded during Hurricane Katrina

* Floodwater covered four-fifths of New Orleans. Homes, shops and parks were covered by up to six metres of water.

Tornadoes

Tornadoes are small but very violent storms. A whirling funnel of air weaves across the landscape, sucking up debris. Tornadoes form on land, not out at sea.

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Video : Wow! Watch & know more about our Dewan Rakyat Deputy Speaker YB Nga Kor Ming & listen to him to find the best food for your self! 😋😋

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Tornadoes are much smaller than hurricanes-usually less than one kilometres across- but the winds inside whirl even faster. As a hurricane, the winds spiral around a calm central ‘eye’.

In hot sticky weather, warm moist air shoots upwards to form towering thunderclouds. A funnel of whirling air appears below the cloud. It forms a tornado when it touches the ground.

The superstrong winds of a tornado have tremendous power. But the path of destruction is usually narrow. A tornado may completely wreck one house but leave the next one untouched.

Tornadoes are most common in the United States. Each year about 1000 tornadoes strike there. Most form in an area called Tornado Alley

Tornado damage

Tornadoes travel only a short distance before dying out. But they leave a trail of destruction. Sometimes a whole group of tornadoes forms at once. This is called a tornado outbreak.

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Syabas Taiping! Timbalan Speaker memuji MP Taiping

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In 1974, a total of 148 tornadoes formed in s single day. The funnels swept across 13 US states. They killed 330 people and left a path of devastation 4000 kilometres long!

When a tornado strikes, the safest place to be is underground. Many homes in the USA have underground shelters in basement and cellars. People hide if they are told a tornado is due and come out when the danger has passed.

The funnel of a tornado acts like a giant vacuum cleaner. It can suck roofs off houses and flatten buildings. It can pick up cars like toys and toss them into the air.

Did you know, tornadoes have been known to pick up very heavy objects. In 1931, a tornado lifted a train weighing 80 tonnes whirled it through the air and threw it into a ditch.

Most people will do anything to avoid a tornado. But experts called storm chasers enjoy watching tornadoes up close. When a tornado is reported they race to the scene to photograph the storm.

Thunderstorms

About 2000 thunderstorms rage somewhere on the Earth every minute. These storms can cause terrible damage. They usually happen in hot weather, when warm, moist air rises to form thunderclouds.

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Swirling air in thunderclouds make raindrops rub together. This produces tiny electric charges. Positive charges build up at the top of the cloud, negative charges build up at the bottom. Lightning sparks between the two.

The type of electricity that builds up inside thunderclouds is called static electricity. This is the same kind of electricity that makes your hair stand on the end if you brush it hard!

As lightning streaks through the sky, it heats the air to incredibly hot temperatures. The air explodes, causing a deafening crack of thunder. Light travels faster than sound., so you see the lightning before you hear the thunder.

Did you know, the sound of thunder takes three seconds to travel one kilometre. You can tell how far away a storm is by counting the seconds between the lightning and thunder and dividing the number by three.

Lightning can start forest fires, especially in dry weather. In 1988, fires caused by lightning raged through Yellowstone National Park in the United States. Many thousands of acres of forest were burned.

Streaks of lightning

Lightning is a huge spark of electricity. It can take different forms, depending on whether the spark flashes between clouds in the sky or shoots from a cloud to the ground below.

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Video : Let’s listen to our Parliament’s Deputy Speaker Tuan Nga Kor Ming. Cool! 😉😘

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When lightning flashes between clouds it produces sheet lightning. The sparks light up the clouds from inside, so they glow.

When lightning leaping downwards splits into many branches, it is called forked lightning. Lightning flashes downwards because the ground below has developed a positive charged.

Lightning always takes the fastest route to the ground. Sparks are attracted to tall objects, such as trees and high buildings. For this reason, people should never shelter under the tree in a storm.

Tall buildings are often struck by lightning. A lightning rod makes the building safer. Lightning strikes the rod and then runs safely down a wire into the ground.

Monsoon and floods

In some parts of the world, winds called monsoons change direction in different seasons. Summer monsoons brings heavy rain, which can cause flooding.

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Farmers rely on the monsoons to water their crops in summer. The farmers in India are planting rice during the monsoon rains.

Monsoon rains often cause floods in Bangladesh, a low-lying country next to India. Water flooded this village in Bangladesh after a heavy monsoon in 2007.

As a hurricane moves over the sea, it sucks up water, called a storm surge, cause flooding when it hits a coast.

Snow and frost

In many parts of the world, winter brings frost, ice and snow. If you wrap up warm, this wild weather can be a lot of fun.

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Snow forms in clouds where the air is below freezing. The moisture in the clouds turns into ice crystals, which can join to make snowflakes.

All snowflakes have six points or six sides. No two flakes are the same shape. A scientist studied snowflakes for 50 years without ever finding two that were exactly alike.

In freezing weather, ice crystals form on leaves, windows and other cold surfaces. We call these crystals frost. Thick frost can look like a coating of snow.

Icicles may hang from roofs, trees and cliffs in cold weather. They form when water starts to drip and then freezes. As more water trickles down and freezes, the icicles grow longer and longer.

Row of big frosty icicles in nature

Hail and blizzards

Extreme winter weather can be dangerous. When heavy snow combines with strong winds, we call it a blizzard. Hail is when pellets of ice fall from the clouds.

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Video : Hidup Parlimen Malaysia!

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Swirling snow fills the air during a blizzard, and a layer of ice makes roads slippery. Roads can be blocked by the heavy snow.

Hailstones form when winds toss ice crystals up and down inside cold clouds. As the ice crystals rise and fall, more layers of ice are added, forming pellets of ice called hailstones. These hailstones eventually get so heavy they fall to the ground.

Large hailstones do a lot of damage. Hailstones the size of baseballs can dent a car roofs and smash windscreens. They can also flatten crops.

Caring for our Earth

Global warming is making sea levels rise. It is also causing more wild weather. We need to find ways of reducing the pollution that is making the Earth heat up.

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Car journeys cause a lot of pollution. We can produce far less pollution by choosing different ways to travel. People should try to walk, cycle or take the train or bus to work or school.

If sea levels carry on rising, cities by the coast could flood, Beautiful islands like this could disappear altogether. We need to produce less pollution to stop this happening.

Waste paper, glass, metal and plastic can be collected and sent to factories to be made into new materials. This is called recycling and helps to save energy.

Power stations that provide us with electricity are adding to global warming. We can help by using energy more carefully. People should switch off lights, Tvs and computers when they are not using them.