Maritime English
Meteorology

What is Pressure Ridge Alert?

Pressure Ridge Alert A notice regarding the formation or presence of elevated ice ridges on sea ice, which may pose navigational hazards to vessels in polar waters.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Pressure Ridge Alert” Used in Practice?

Ice operations to all vessels: Pressure ridge alert north of 75°N. Plot alternate routes to avoid heavy ice deformation.

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

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Frequently Asked Questions

What is Pressure Ridge Alert?

A notice regarding the formation or presence of elevated ice ridges on sea ice, which may pose navigational hazards to vessels in polar waters.

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