On Mon, 19 Apr 2010 19:23:58 -0000, "Bernard Burton"
wrote:


I wonder, James, if you are referring to the area of sea fog that has been
making its way westwards along the Channel throughout the afternoon. That
seems to be in the IOW/Southampton area near 18z. Above that, there are some
patches of upper cloud moving rather quickly east. To the north, inland
there is a line of convection, (just given a shower here in Wokingham),
which is associated with low level wind convergence, and the resulting
concentration of haze and thicker cloud is causing the low light levels.

I can confirm patchy fog or sea fog during Monday evening, from parts
of Fareham down into Gosport. Around the time of sunset, visibility to
the W/SW was noticeably poor, with no sign of the sun in spite of a
that was sky essentially free of cloud.

But I wouldn't rule out the influence of volcanic ash on all this, it
was certainly an odd looking sky and most of the cars round here have
a thin layer of dust or ash on them.

--
Dave
Fareham (W)