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UK News All you need to know about thunderstorms and lightning

14:50  14 august  2020
14:50  14 august  2020 Source:   msn.com

Hot temperatures still around as severe thunderstorms loom

  Hot temperatures still around as severe thunderstorms loom The Met Office has issued a broad storm warning for Monday through to Thursday, covering most of the country.The heat is still, on but the Met Office – which has issued a broad yellow warning covering much the UK from Monday to Thursday – says where there are thunderstorms, “they could be significant and disruptive”.

Thunderstorms and lightning are two very common yet dangerous weather events. These dangerous storms include lightning and can also bring powerful Unlike hurricanes, which typically only impact coastal areas, thunderstorms can happen anywhere in the world. Lightning is one of the leading

Lightning is the most spectacular element of a thunderstorm . In fact it is how thunderstorms got their name. Wait a minute, what does thunder have to do with lightning ? The expansion creates a shock wave that turns into a booming sound wave, known as thunder.

Lightning near St Mary’s lighthouse in Whitley Bay, north-east England (Owen Humphreys/PA) © Owen Humphreys Lightning near St Mary’s lighthouse in Whitley Bay, north-east England (Owen Humphreys/PA)

Spectacular thunderstorms have lit up the UK skies this week.

The Met Office has issued a weather warning for more thunderstorms covering most of the UK which stretches into next week.

Here we answer some of the key questions around thunderstorms.

a close up of a map: (PA Graphics) © Provided by PA Media (PA Graphics)

– Why do thunderstorms happen during heatwaves?

Met Office warns of flooding as thunderstorms set to hit UK

  Met Office warns of flooding as thunderstorms set to hit UK Heavy rain is forecast across the country after several days of very warm weather.The Met Office has issued weather warnings covering almost the whole country from Monday morning, identifying there is “a small chance that homes and businesses could be flooded quickly” following rain showers, with the chance of “significant and disruptive” thunderstorms.

Lightning physicist Joseph Dwyer explains the science behind thunderstorms so you can explain natural phenomena to your inquisitive child. If you can see lightning but not hear it, it’s probably too far away to be dangerous. But once you can hear something, you need to get out of the water, and

Why Worry About Thunderstorms ? Lightning ■ Causes an average of 55-60 fatalities and 400 injuries each year ■ Occurs with all thunderstorms ■ Costs ■ Have a plan of action before severe weather threatens. You need to respond quickly when a warning is issued or a tornado is spotted.

The two vital ingredients for a thunderstorm are instability in the atmosphere and moisture.

Thunderstorms take place when there is more humid air in the system, which is the case at the moment during the ongoing heatwave.

They tend to develop later in the afternoon after the progressive heating during the early part of the day.

– What is a thunderstorm?

A thunderstorm is a series of sudden electrical discharges resulting from atmospheric conditions. These discharges result in sudden flashes of light and trembling sound waves, commonly known as thunder and lightning.

Thunder and lightning are associated with convective clouds and are often accompanied by heavy rain or hail.

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A SciShow Kids viewer wants to know , “Why do lightning and thunder happen?” Get your raincoat, because Jessi will take you inside a thunderstorm to give you

Thunderstorm safety tips from the American Red Cross. Every thunderstorm produces lightning , which kills more people each year than tornadoes or Watch for signs of a storm, like darkening skies, lightning flashes or increasing wind. Postpone outdoor activities if thunderstorms are likely to occur.

Thunder is the sound produced by the rapid heating of air by a lightning strike, and lightning is a huge electrical discharge that flows between clouds, from a cloud to air, or from a cloud to the ground.

– How do thunderstorms form?

Thunderstorms are created by the intense heating of the earth’s surface, and are most common in parts of the world where the weather is hot and humid.

a group of clouds in the sky: Storm clouds form over Whitley Bay in the north east of England (Owen Humphreys/PA) © Provided by PA Media Storm clouds form over Whitley Bay in the north east of England (Owen Humphreys/PA)

The Met Office says thunderstorms develop when the atmosphere is unstable – when warm air exists underneath much colder air.

– Are thunderstorms common?

Thunderstorms are common occurrences on Earth.

It is estimated that a lightning strike hits somewhere on the Earth’s surface approximately 44 times every second, a total of nearly 1.4 billion lightning strikes every year.

In the UK, thunderstorms are most common over the East Midlands and the south east of England.

Flash flooding leaves Welsh town under water as warnings issued for UK

  Flash flooding leaves Welsh town under water as warnings issued for UK Flash flooding has left parts of Aberystwyth under water as the Met Office issued thunderstorm warnings for most of the UK until Thursday. © Other Parts of the Welsh town of Aberystwyth were under water on Monday. Pic: Twitter/Tom Kendall The Environment Agency has said isolated flooding is possible across parts of England over the next few days due to heavy storms.The Met Office warned that flash flooding could cause travel disruption and power cuts, but also cautioned about the risks caused by fast flowing or deep floodwater.

All thunderstorms produce dangerous lightning , both during the day and at night. There aren’t nearly as many measurements available of temperature and moisture, which is needed to fuel thunderstorms , above the ground as there are at the ground, so predicting where storms will form at

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– How many different types of lightning are there?

There are several different types, according to the Met Office.

Ball lightning – a rare form of lightning in which a persistent and moving luminous white or coloured sphere is seen.

Rocket lightning – a very rare and unexplained form of lightning in which the speed of propagation of the lightning stroke is slow enough to be perceptible to the eye.

Pearl-necklace lightning – a rare form of lightning in which variations of brightness along the discharge path give rise to a momentary appearance similar to pearls on a string.

Ribbon lightning – ordinary cloud-to-ground lightning that appears to be spread horizontally into a ribbon of parallel luminous streaks when a very strong wind is blowing at right angles to the observer’s line of sight.

Forked lightning – lightning in which many luminous branches from the main discharge channel are visible.

Sheet lightning – the popular name applied to a “cloud discharge” form of lightning in which the emitted light appears diffuse and there is an apparent absence of a main channel because of the obscuring effect of the cloud.

Thunderstorm Warnings For Almost All Of UK As Welsh Town Floods

  Thunderstorm Warnings For Almost All Of UK As Welsh Town Floods Thunderstorms are expected in much of the UK after flash flooding left parts of a Welsh town under water. Isolated flooding is possible across parts of England over the next few days due to heavy storms, the Environment Agency has warned. On Monday storms brought flash flooding and power cuts to Aberystwyth, in west Wales. Councillor Ceredig Davies said the area hadn’t seen a downpour like it in years. “There are a number of properties in town that have flooded towards the lower part of the town - and a number of high street shops have had water coming through,” he told WalesOnline.“It was such a downpour.

All thunderstorms need the same ingredients: moisture, unstable air and lift. Moisture usually comes from oceans. Unstable air forms when warm, moist What causes a thunderstorm ? You ’ve probably seen a big thunderstorm cloud roll into town. The thunder, lightning , heavy rain, and gusty winds

Lightning and Thunderstorms . 44K likes. This is a page where you see all kinds of Beautiful lightning and thunderstorms and Tornadoes and other Beautiful

Streak lightning – a lightning discharge which has a distinct main channel, often tortuous and branching, the discharge may be from cloud to ground or from cloud to air.


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More heavy rain on the way, with risk of thunderstorms .
A yellow weather warning is in place for much of Wales and southern England until Monday evening.The Met Office issued a yellow warning for thunderstorms across large swathes of England and Wales stretching across the weekend and into most of Monday.

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