|Created with the Web Accessibility Wizard||Slide 4 of 31|
Satellite image with 15 minute lightning – 1315 UTC, November 25.
By 13 UTC, a line of convective had developed along the front. A large area of negative lightning flashes were observed over northeast Pennsylvania, with a few positive flashes farther north, across upstate New York. Later slides will go into more detail on how the convective line developed.