How Accurate Are Weather Forecasts?


Co-written with Naomi B. Robbins

In light of the great Blizzard of 2015 that wasn’t, we might look at how accurate are weather forecasts and especially long-term forecasts.

Naomi B. Robbins of NBR Graphs, with whom I co-wrote this post, and I collected predicted highs and percent chance of rain in the long-term weather forecasts from mid-August through December. Special credit to Naomi for all the data visualizations in this post.

Ultimately, the forecasts are quite accurate. Here are some findings….

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