1. A closer look at cirrus clouds

    Cirrus clouds—thin strands or sheets usually composed of ice crystals—form high in the atmosphere. A new study led by NCAR scientist Steve Massie employs satellite technology to observe the clouds in greater detail than before.

    • Weather

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  2. UCAR Magazine

    Chasing tornadoes, armed to the teeth, for serious science

    The sirens sound when the skies turn black and violent supercell thunderstorms roar through.

    • Weather

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  3. Atlantic sea-surface temperatures, May 2010

    Active summer ahead for hurricanes—and researchers

    The year 2010 brought a difficult and sometimes tragic few months of weather events—first the snowstorms and record cold that battered much of the Northern Hemisphere, then tornadoes and floods in the United States.

    • Weather

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