The hole in the protective ozone layer over the Antarctic is forming again but should remain just below the record size it reached last year, a scientist at the UN's weather agency said Wednesday.
The gap in the ozone in the upper atmosphere, at altitudes of up to 25 kilometres (15 miles), has reached a size of about 23 million square kilometres (8.9 million square miles), said World Meteorological Organisation ozone expert Geir Braathen.
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Comment: This story doesn't mention that the storm is now a Category 4 and intensified to this level from a Tropical Storm in one day.