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Using historical data and a novel set of weather-based predictors, the authors based their research on measuring advection -- the rate of water movement -- between two hydrometric stations on the Ottawa River.

The phenomenon, known as 'advection fog', formed as easterly winds blew over the cool waters of Long Island Sound.

Despite the offshore flow, there will be little if any warming today compare to Mon, since there will be some cold air advection.

Usually, the winds warm up through compression heating as they blow downslope, but these winds are starting from an extremely cold air mass fed by cold-air advection from the Arctic Circle.

This process is called advection, which means the transport of an atmospheric property by the wind.