According to the site, it uses a "refined data model that depends on a combination of factors," including historical and forecasted temperature and precipitation readings.
After publishing our predictive fall foliage map for nearly a decade, we are confident in our data sources, process, and algorithm.
We introduced the capability for end-users to provide real-time leaf reports that will impact both updates and future models, which is the game-changer.
Similar to any meteorological forecast, the leaf predictions are not 100% accurate. This is why we added the ability for end-users to submit real-time photos.
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