Maritime English
Meteorology

What is Lightning Activity Warning?

Lightning Activity Warning Alert issued when frequent cloud-to-ground or cloud-to-cloud lightning poses immediate risk to deck personnel and sensitive equipment.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “Lightning Activity Warning” Used in Practice?

Port Hedland VTS to bulk carrier Pilbara Queen: lightning activity warning in inner harbour, cease crane operations immediately, secure personnel under cover, acknowledge, over.

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 Lightning Activity Warning?

Alert issued when frequent cloud-to-ground or cloud-to-cloud lightning poses immediate risk to deck personnel and sensitive equipment.

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