A new one on me, but Radio Sheffield presenters were having a debate as to
whether the situation in Sheffield this morning should be described as mist
or fog. Enter BBC forecaster Lisa Gallagher, and although she described fog
as being 1000m visibility or less, as far as the "public" are concerned, fog
is of 200m or less, and out came the phrase "public service fog"!
Do they really descibe it as this internally at the dear old beeb?

--
David Mitchell, 70m amsl, Langtoft, east Riding of Yorkshire.