Bluegraph
SIMarineUS

Storms placed by their swell

Bering Sea storm

53°39.3′N 170°04.1′W

Waves left about 21 Oct 04:17Z, ± 3 h

Placed by 2 buoys, whose own placements lie within 376 nmi of it

Its swell was last measured at 51000 (Northern Hawaii One) on 26 Oct 14:20Z; 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