Feb. 5 marks the birthday of one of the first known weather observers, a Bostonian named John Jeffries who was born in 1744. Jeffries first made a name for himself as a military doctor during the Revolutionary War. In 1774, he began recording daily weather observations. Ten years later, he also began taking logging information about the weather from a hot air balloon.
Now his birthday is celebrated as National Weatherperson's Day, a day to honor the meteorologists, climatologists and other weather observers for the work they do to produce forecasts. It's also a day for recognizing the incredible advances that have been made in weather technology since Jeffries' days in the balloon, from computer models to satellites to radar.
Below, Accuweather.com meteorologists explain the factors that come together to create a forecast, from the technology of computer models to the personal touch of a meteorological collaboration.
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