Spring has finally sprung, and so it’s possible to gaze upon snowflakes–or at least images of snowflakes–without shivering. These fine specimens were photographed in 3-D as they fell by a high-speed camera system developed by researchers at the University of Utah and its spinoff company, Fallgatter Technologies. “Until our device, there was no good instrument for automatically photographing the shapes and sizes of snowflakes in freefall,” says Tim Garrett, an associate professor of atmospheric sciences. “We are photographing these snowflakes completely untouched by any device, as they exist naturally in the air.” In addition to taking the first automated, high-resolution photos of snowflakes, Fallgatter’s Multi Angle Snowflake Camera measures how fast the flakes fall and according to Garrett, “collects vast amounts of data that can be used to come up with more accurate and more representative characterizations of snow in clouds” for improved weather forecasting.
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