Pic of the Day – and more


Click to enlargeAP/Nati Harnik

Sunlight streams through the windows of a burned-out building in Plattsmouth, Nebraska.

US polar vortex: the best pictures: The most extreme weather in decades has swept across North America, sending the mercury plummeting and causing chaos – but also creating stunning pictures.

2 thoughts on “Pic of the Day – and more

  1. Release the Kraken! says:

    “Evidence for a wavier jet stream in response to rapid Arctic warming” http://iopscience.iop.org/1748-9326/10/1/014005/article “New metrics and evidence are presented that support a linkage between rapid Arctic warming, relative to Northern hemisphere mid-latitudes, and more frequent high-amplitude (wavy) jet-stream configurations that favor persistent weather patterns. We find robust relationships among seasonal and regional patterns of weaker poleward thickness gradients, weaker zonal upper-level winds, and a more meridional flow direction. These results suggest that as the Arctic continues to warm faster than elsewhere in response to rising greenhouse-gas concentrations, the frequency of extreme weather events caused by persistent jet-stream patterns will increase.”

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