About Summer Solstice
The summer solstice, also known as midsummer, occurs when one of the Earth's poles has its maximum tilt toward the Sun. It happens twice yearly, once in each hemisphere. For that hemisphere, the summer solstice is when the Sun reaches its highest position in the sky and is the day with the longest period of daylight.
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What is the UV-Index is and why it was able to break UK records?
... We have just passed the Summer Solstice, the sun is high in the sky, says Taylor...
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... We have just past the Summer Solstice the sun is higher in the sky, he said...
What is the UV-Index is and why it was able to break UK records?
UK can be a recording of the UV-level of the nine on Thursday, as the temperature continues to rise.
So, what is UV and why world records could be broken, now?
What is the UV Index?The UV-Index (UVI) is a standardized international measurement of UV radiation from The Sun penetrates The Earth 's atmosphere and cause sunburn.
the Index values start at zero, And Then collect can, 10.
the higher The UVI, the greater the potential for damage to The Skin and the Eyes and even less time for damage to occur.
UV Index:
the levels of UV radiation vary during The Day .
the Highest readings occur in the four-hour period around solar watch, which - depending on where you are and whether daylight saving is Applied Time Is between 12:00 and 14:00.
countries can experience close to the equator, very high UV-values in The Middle of The Day throughout the year.
Nairobi can be seen in Kenya, UV-levels for over 10 years in The Middle of The Day .
Majorca, in Spain, in General, nine hit in June and July.
But the Falkland Islands in The South Atlantic will never hemisphere, usually five in December and January When it is summer in the southern.
What is the UV index in the UK is?increases the UV-radiation in The Spring in the UK, reached a peak at the end of June.
In this current spell of fine weather, we could see some of the highest UV values were ever recorded.
"Usually they are about six or seven in the summer months," says Bbc Weather 's Matt Taylor . "Today we were able to hit a nine, in some parts of The South of England and South Wales . "
Why is the UV index so high now?There are A Number of factors - just because the majority of the UK is cloud-free at The Moment .
"We have just passed the Summer Solstice , The Sun is high in the sky," says Taylor.
"We have also seen the depletion of the ozone layer at the exceptional level in the entire Northern hemisphere in winter and spring, mainly due to natural weather patterns.
"And with most of the Northern hemisphere is under-blocking recently, environmental pollution is low. The UV-scattering holds quite as much. "
Why is UV dangerous?do not put the UV exposure is to the risk of sunburn.
Excessive UV radiation from The Sun is also strongly associated with increased skin cancer cases in fair-skinned populations of the world - according to The Who .
And remember, the amount of UV reaching your skin is not driven by The Daily temperature. UV-Level on a bright and breezy end of April, The Day will be about the same as a warm, Sunny Day in August.
"your skin can burn just as quickly, whether it's 30C 20C," says Bbc Weather Helen Willetts . "And don't be caught out, even on cloudy days. UV will still penetrate thin Clouds - so, also, if you do not think that it is so Sunny, you can still burn. "
What can I do to avoid damage caused by UV radiation?should you apply on a regular basis to prevent a high light protection factor, The Skin damage - especially if you skinned light. You should also avoid The Sun during The Middle of The Day .
sunglasses are also important. The exposure to UV-radiation was also.
skin cancer, the sun, weather forecasting
Source of news: bbc.com
Summer solstice Photos
