Thanks Warren, I knew if I made outlandish enough suggestions someone would come up who knew the answer !! I wasn't sure of the definition but guessed at what you described. If there are gravity wave
Hi Alan, Gravity waves due to CME shocks would ocurr in the ionosphere where the density is more than 4 orders of magnitude lower (and probably more like 6-7 orders of magnitude lower) than the densi
Alan, I have not tried it yet but I wonder if a search of the Met Office sites might not produce some useful info on barometric effects/history/stats. If there is a chance that they are already gathe