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Fayetteville, North Carolina located just south of 35°N
Skin type : between average caucasian to olive sicilian maybe closer to former
Time of the day : around 11:00AM or 3:40PM sun angle would be above 57 degrees in July 4, 2014 (1:20PM is the solar noon time) I want to know for July
An overcast day in New York on 4th of July and being outside after 10:30pm
Equals being in Lilehammer Norway on a clear 4th of July day
How is that possible (especially the bold - )? I have been sunburnt at Lillehammer's latitude at this time of year before (I have type II skin) and find it hard to believe I could burn in New York on an overcast day, ever.
Fayetteville, North Carolina located just south of 35°N
Skin type : between average caucasian to olive sicilian
Time of the day : around 11:00AM or 3:40PM (1:20PM is the solar noon time) for July
Yes and I am continuously improving the model with recent focus on ozone thinning, snow albedo, and arctic and Antarctic factors like how much to up the dose of UV at undervalued low sun angles due to elevating risk factors near the poles
For Fayetville, NC at 3:40pm
Fair skin can get color in 36 minutes and burn in 75 minutes
Avg white person though will see color in 50 minutes to show color and 107 minutes to show a burn
Southern italian will see color in around 130 minutes (just over 2 hours) and not get much of a burn because not enough time by 3:40pm left in the day for tan effect for them
Black person won't see any skin effects at all
I can also tell you how much will give you peeling skin, blister, charcoal skin
And the most frightening human test is a clear end of June day on top Mount Everest ....that's as bad it gets on planet earth.
Visible impact on a fair skinned person shows in just 3-4 minutes of being outside
And blisters in under an hour
And that is about the only scenario where a black African can also get a bad sunBurn! To the point of ouch
Yes and I am continuously improving the model with recent focus on ozone thinning, snow albedo, and arctic and Antarctic factors like how much to up the dose of UV at undervalued low sun angles due to elevating risk factors near the poles
For Fayetville, NC at 3:40pm
Fair skin can get color in 36 minutes and burn in 75 minutes
Avg white person though will see color in 50 minutes to show color and 107 minutes to show a burn
Southern italian will see color in around 130 minutes (just over 2 hours) and not get much of a burn because not enough time by 3:40pm left in the day for tan effect for them
Black person won't see any skin effects at all
I can also tell you how much will give you peeling skin, blister, charcoal skin
Does the time factors are cumulative let's say I'm between those two so I'll get color around 90 minutes.
If I stay outside 30 minutes every each other day, is my skin gonna be show effect in 3 days since started?
Quote:
Originally Posted by EricS39
And the most frightening human test is a clear end of June day on top Mount Everest ....that's as bad it gets on planet earth.
Visible impact on a fair skinned person shows in just 3-4 minutes of being outside
And blisters in under an hour
Does the time factors are cumulative let's say I'm between those two so I'll get color around 90 minutes.
If I stay outside 30 minutes every each other day, is my skin gonna be show effect in 3 days since started?
How miserable is that
For pre-noon hours I will give you a more intense reading since the sun is intensifying for every minute you are outside. Afternoon start time gets better from the start time, but this is not something to get too excited about. Being outside too many hours continuously in sun (even at lower angles) is a build-up effect. Your skin natural protection starts to weaken until you give it a break to recover.
So to answer your question, Much much much worse if out continuously 90 minutes than out 30 minutes 3 separate times. In fact, duration of exposure plays into severity. That's why if you are out since 2pm, the 5pm sun is worse for you than if you just step out at 5pm. And this is why for afternoon I would not brush off the seriousness of 3pm sun by rationalizing in an hour you are home free. That 4pm sun is actually worse for you if it's continuous to your 3pm exposure
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)? I have been sunburnt at Lillehammer's latitude at this time of year before (I have type II skin) and find it hard to believe I could burn in New York on an overcast day, ever.
