CNN: “New map calculations have raised some concerns that the path of totality—where it’s possible to see the moon completely block out the sun—is slightly narrower than NASA calculated. That means some cities on the edge of the route that were expecting to experience a second or two of total darkness might be left out.” The calculations were done by John Irwin, whose revised map can be found here. This page has the technical details, while Jamie Carter explains the implications: if Irwin’s correct, we’re talking about a literal edge case of a few hundred metres. Go further into the path of totality!

Previously: Cloud Cover Risk During the 2024 Solar Eclipse; Mapping Two Solar Eclipses.