While most winter weather reports broadcast the likelihood of snow, wind or ice, meteorologists in Sapporo forecast the slipperiness of pavement to help pedestrians walk safely in the cold.

A certified forecaster at the Japan Weather Association, Fumiyoshi Kawamura, 47, takes turns with five colleagues to issue “tsuru-tsuru (slipperiness) forecasts” at 5 p.m. for each morning between December and mid-March.

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