Bluegraph
SIMarineUS

Storms placed by their swell

North Pacific storm

32°12.1′N 153°13.4′E

Waves left about 27 Oct 10:37Z, ± 4 h

Placed by 6 buoys, whose own placements lie within 296 nmi of it

Its swell was last measured at 46244 (Humboldt Bay, North Spit, CA (168)) on 4 Nov 12:00Z; 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