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 E-Mail Warming temperatures will potentially alter the climate in Alaska so profoundly later this century that the number of thunderstorms will triple, increasing the risks of widespread flash flooding, landslides, and lightning-induced wildfires, new research finds. In a pair of new papers, a research team led by scientists at the Paris Sciences and Letters University and the National Center for Atmospheric Research (NCAR) show that the sea ice around Alaska could largely give way to open water in the warmer months, creating an ample source of moisture for the atmosphere. This moisture, combined with warmer temperatures that can hold more water vapor, would turbocharge summertime storms over Alaska by the end of the century under a high greenhouse gas emissions scenario.

Change onFrance generalNorth slopeUnited statesGulf of alaskaYukon riverAndrew newmanAli branscombeBasile poujolMariaj molinaBering seaArctic oceanAndrewj newmanMaria molinaCaroline mullerLetters university