North Atlantic storm

02°49.5′N 045°37.3′W

Waves left about 19 Oct 09:40Z, ± 12 h

Placed by 2 buoys, whose own placements lie within 208 nmi of it

Its swell was last measured at 41013 (Frying Pan Shoals, NC) on 28 Oct 11:50Z; 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