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NOAA meteorologist explains king tides to Humboldt Bay board: alignment, ellipses and storm compound risks
Summary
Troy Niccolini of the National Weather Service, Eureka, told the board that king tides result from lunar and solar alignment, Earth tilt and orbital ellipses, and warned that when high tides align with storms and river runoff impacts can be compounded.
Troy Niccolini, Meteorologist in Charge at the National Weather Service in Eureka, gave the Humboldt Bay Harbor, Recreation and Conservation District a plain‑language briefing on tides and king tides, using a physical model to illustrate how the moon and sun create near‑side and far‑side tidal bulges.
Niccolini explained that proximity matters: when the moon is closer to Earth (an elliptical orbit) and the sun and moon align, the combined…
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