In article ,
Don Tuite wrote:

On Wed, 19 Jul 2006 22:02:59 GMT, john smith wrote:

My experience... anything beyond 48 hours is beyond belief.

Would depend on time of year, wouldn't it? Equinoctial weather is
changeable; Around the solstices, airmasses tend to be more stable.

Not that I can think of.
This summer's weather pattern is identical to last year's.
There is an upper level High centered over the Four-Corners area that
has been there for a couple of weeks and looks like it is going to stay
there for a couple more.
The jetstream is flowing east-west across southern Canada, contributing
to the drought and high temperatures in the North Coast states.