1. UCAR Magazine

    Recipe for calamity: The ingredients of a horrific tornado outbreak

    How could a tornado outbreak kill more than 200 people? Several factors—meteorological, geographical, and sociological—came together in a rare and deadly way.

    • Weather

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  2. Map of upper Midwest with dark blue areas of potentially severe icing

    Aviation safety: New computer tool forecasts icing hazards

    FIP-Severity provides 12-hour icing forecasts to pilots and forecasters on the likelihood of encountering dangerous in-flight icing conditions.

    • Weather

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  3. Grad students and Doppler on Wheels unit

    A different kind of snow day

    Snowstorms have been a dime a dozen across much of the central and eastern United States over the last few months, but four of them got special scrutiny.

    • Education + Outreach,
    • Weather

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  4. Dual-polarization radars sending out signals

    Radar’s next phase

    The biggest upgrade to the U.S. weather-radar network in 15 years gets rolling this winter with a minimum of fanfare—debuting under the radar, as it were. But the new capabilities should get their fair share of attention in the long run.

    • Weather

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