MAPS IN THE NEWS:
Parts of California and Nevada have recently experienced drenching rains, record winds (including sustained winds of more than 100 mph and a recorded gust of 173 mph), and, in the Sierra Nevada mountains, as much as 84" of snow in two days (!). The extreme weather has been attributed to a meteorological phenomenon known as a "pineapple express," a thin river of warm, moist air originating near the Hawaiian islands. To learn more about atmospheric rivers (green on this map) and their importance to regional climates, see www.esrl.noaa.gov/psd/atmrivers/
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