Calm, with an eye on the storm

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Storm chaser Tim Samaras snapped this tornado tearing across south-central Kansas in 2004. He likens the sound of a tornado to the rush of a powerful waterfall. T. Samaras
Tim Samaras holds one of the “turtle” probes that he designed to record the pressure, wind speed and other conditions inside tornadoes. Pat Porter

When Tim Samaras and his crew show up in a small town, their cars bristling with anemometers and other weather instruments, the welcome isn’t always warm.