But weather does respond to changes in the solar radiation activity of the sun.

FORBES: Fact and Comment

Weather changes a lot, but climate is something more fundamental, causing overall patterns.

CNN: CO2 levels hit new peak at key observatory

Royal Mail said there had been changes to working practices but the adverse weather conditions were largely to blame for the delays.

BBC: Mail delay in south Warwickshire 'resolved within days'

"We have been stockpiling food, equipment and fuel since March so people won't go hungry or cold but you may find your schedule changes at the last minute, there is nothing you can do about the weather, " she said.

BBC: Calf of Man islet rat-cull project calls for volunteers

Advances in cockpit technology have all but eliminated traditional threats such as jets flying into mountains in bad weather or slamming into the ground because of sudden wind changes on approach.

WSJ: The New Frontier in Air Safety