![]() UV alerts are calculated by looking at things like the time of year and how many clouds are around.īut even if it's cloudy, UV rays can still be damaging.īOY 1: My mum always tells me to put sunscreen on and a hat, even if it's not sunny, so just to make sure that I'm not sunburnt. ![]() It reminds them that they need to be SunSmart when they're outdoors. ![]() This UV warning says it'll be very high to extreme but when it's that high on a summer day in Australia, you can get burnt in less than 15 minutes.Įven schools are checking UV alerts every morning in their classroom. REPORTER: Well this is what they look like. To help warn people about harmful ultraviolet rays, scientists have found a way to measure how much UV is expected to reach us.Īnd each day we can check out the weather bureau online or watch the news on TV to see the warnings. The cells can then invade the body through the blood stream. This is what a common type of skin cancer called 'melanoma' looks like.Įxposure to UV rays can damage skin cells and cause them to grow abnormally into a cancerous lump. UV light can be used in lots of things like tanning beds, barcode scanners, agriculture and even in forensics.īut UV can cause problems for us, like sunburn and skin cancer. The stuff we can see is this bit 'visible light'. Well, there's a whole spectrum of energy the sun gives off, some that we can see and some that we can't. He's got killer rays that travel from the sun to the earth's surface and into your skin.īut UV can be more deadly than this silly character. NATASHA THIELE, REPORTER: Introducing UV man!
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