Based on the provided sources, the reader could be expected to learn about how airports in the Northeast are impacted by large amounts of snowfall.
The map of northeastern states suggests a geographical focus, the table of snowfall totals indicates how much snow various major cities receive, and the video of a crowded airport during peak winter season highlights the effects of winter weather on travel and airport operations in that region. All the sources collectively point towards the implications of snowfall on airports in the Northeast.