North Atlantic storm

35°19.6′N 050°39.0′W

Waves left about 16 Oct 14:25Z, ± 3 h

Placed by 3 buoys, whose own placements lie within 222 nmi of it

Its swell was last measured at 41040 (North Equatorial One) on 21 Oct 11:20Z; 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