"Anna Kettle" wrote in message
...
People keep talking about the weather, that its a plume, or possibly a
Spanish plume. I am guessing that it two strong weather systems
colliding, so I had a look for more understanding on BBC weather but
that didn't tell me about plumes though it did point out that
visibility is very good. Which it is


.... see the thread "Wednesday's low - development underway" which will
give you a good insight into the dynamics ... if there are any terms not
understood, try the FAQ/Glossary index:

http://homepage.ntlworld.com/booty.weather/uswfaqfr.htm

or come back to us.

This development in quite dramatic for this time of year ... not quite
the usual 'Spanish Plume' that you will see talked about - the dynamic
forcing (jetstreaks etc.) that Paul discusses is really giving us a
classic!

Martin.