AGU 2015: Jennifer Francis recent studies on Weather Blocking Patterns

Recent Changes in Blocking Characteristics Assessed Using Self-Organizing Maps Speaker: Jennifer Ann Francis Blocking anticyclones are known to be associated with persistent weather patterns that often lead to extreme weather events. An outstanding question, however, is whether the frequency and/or intensity of these dynamical features are changing in response to human-caused climate change, and in…

New Zealand’s climate scientist Dr David Wratt talks climate change

One of New Zealand’s leading climate scientist, Dr David Wratt, answers a series of questions about climate change in this new video series by the National Institute of Water and Atmospheric Research (NIWA). Climate change is often described as the world’s most serious environmental issue. It is already having an impact in many areas of…

What Exxon Knew

Newly released documents show that scientists at Exxon Oil Corporation conducted research on climate change and the greenhouse effect in the late 1970s and early 1980s. Their conclusions were in accord with mainstream scientific groups in academia, NASA, NOAA, and the Department of Energy, showing that global warming posed a serious problem, with potential “catastrophic…

Emsisoft

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Greenland

The Guardian: From rapid ice melts to calving glaciers and a snow terrain poked by dark patches, Daniel Beltrá’s stunning images show how rising temperatures and global pollution are literally leaving their dark imprints on Greenland’s pristine landscape. ‘Climate change is having its biggest and most visible impact in Greenland. It is like the canary…

Why is the Weather in the Northern Hemisphere so unusual mild? #JetStream #ElNino #PolarVortex

Here we look at the current weather configuration in the Northern Hemisphere, with the scope on the mild 2015 winter weather in what seems to affect many regions in northern latitudes this winter. The atmosphere in many northern regions like Canada (Northern America) or Europe is currently dominated by westerly jet stream winds. This configuration has…