🚀 go-pugleaf

In article <hthAqXAZcBU4Ewv6@jhall.demon.co.uk>, John Hall
<john@jhall.co.uk> wrote:

>The fortunate thing about ozone "holes" is that the mechanism is such
>that, AIUI, they can only occur in winter. 

ISTR that there's a seasonal lag, as with temperatures, so the UV max/03
min occurs in late winter early spring.  Can someone confirm?

> ... Even with the hole, the
>amount of dangerous solar radiation you will receive in Edinburgh at
>this time of year, when at midday the sun will be no more than about 15
>degrees above the horizon, is I imagine likely to be considerably less
>than you would get there at mid-summer with a full ozone layer.

The last time I got seriously sunburned (only the tops of my ears,
fortunately) was in the North of England with an afternoon's exposure at
Easter af few years ago.  I've always suspected a lagging ozone thinning
as above.

-- 
Sam Wilson
Network Services Division, Computing Services
The University of Edinburgh
Edinburgh, Scotland, UK