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Article #108

Re: Nacreous Cloud picture from 30/11

#108
From: John Hall
Date: Thu, 09 Dec 1999 00:00
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In article <38500CBD.EA0981C3@virgin.net>,
 Les Crossan <les.crossan@virgin.net> writes:
>
>
>Rainer Thonnes wrote:
>
>> In article <384ECD03.D2AF8B6F@virgin.net>,
>>  Les Crossan <les.crossan@virgin.net> writes:
>> >
>> >There's believed to be a link with this cloud and ozone depletion(????)
>>
>> Someone showed me a map the other day of ozone levels for 30th Nov,
>> and the "hole" was centred, guess where?  Right over Edinburgh!
>
>Ah. Shouldn't I be wearing sunscreen and sunglasses  - or a radiation suit
>- then??
>
>How long did this hole last??
>
>
The fortunate thing about ozone "holes" is that the mechanism is such
that, AIUI, they can only occur in winter. 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.
-- 
John Hall
            "Three o'clock is always too late or too early
             for anything you want to do."
                                           Jean-Paul Sartre (1905-1980)
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From: John Hall <nws_may99@jhall.co.uk>
Subject: Re: Nacreous Cloud picture from 30/11
Date: 1999/12/09
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