Since 1979, the average number of snow days has fallen by about five per decade.
Humans are not very sensitive to changes in air pressure, but they can have a big effect on the weather.
It’s hard to believe, but big storms and hurricanes are caused by tiny particles moving around in the atmosphere.
What raises a common winter storm to the level of ‘bomb cyclone’? It’s all about rapid, sharp changes in atmospheric pressure – and the scientists who coined the term meant to highlight their power.
Pictures of ocean bays emptied of water as Hurricane Irma moved through the Caribbean and Florida show that storm surges can move away from the coast, as well as onto it.