1. The far-reaching Madden-Julian Oscillation

    A new study led by NCAR’s Wei Yu and CU-Boulder’s Weiqing Han looks at the effects of the Madden-Julian Oscillation (MJO), the largest source of intraseasonal (within one season) variability in the tropics, causing wet and dry periods to alternate.

    • Climate,
    • Weather

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  2. Thumbnail of graphic showing shift in prevalence of record heat

    A tail of record heat

    How can a relatively small increase in the average temperature of the planet lead to numerous record-breaking heat waves? Part of the reason can be gleaned from a single graph.

    • Climate

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  3. UCAR Magazine

    A cloud to remember, Part 2—Mystery solved?

    An email exchange following Part I revealed the enthusiasm of the Boulder weather community for clouds and the presence of many instruments probing the atmosphere over Boulder—and, in the end, the height of the formation.

    • Education + Outreach

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  4. Depiction of European soil moisture anomalies, 10 May 2011

    The other news from Britain: Heat and drought

    Millions of eyes were on the wedding of Prince William and Catherine Middleton even as another major UK news story took shape—one dealing with meteorology rather than monarchy.

    • Climate

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