Storm elves and sprites recorded on video

From Eurka Alert: FECYT – Spanish Foundation for Science and Technology A team of Spanish researchers has made a high-speed recording of elves and sprites in storms, fleeting and luminous electric phenomena produced in the upper layers of the atmosphere. Their analysis of these observations has been published in the Journal of Geophysical Research.

What is PIPS?

By Steven Goddard There have been a number of inaccurate claims made by commentors about Navy PIPS2 ice thickness maps. These claims have been along the lines of : PIPS isn’t used by the Navy any more, because it isn’t accurate enough PIPS maps over-represent ice because they don’t see areas of open water PIPS maps…