North Atlantic storm

07°47.8′N 029°45.2′W

Waves left about 16 Oct 11:59Z, ± 7 h

Placed by 2 buoys, whose own placements lie within 305 nmi of it

Its swell was last measured at 41013 (Frying Pan Shoals, NC) on 23 Oct 21:40Z; the replay ends there.

Each buoy places the storm from how its swell's period shortened as it arrived: the longest waves travel fastest. Fronts are drawn at deep-water group speeds along great circles, and stop at land. How it is worked out