Maritime English
Meteorology

大雨警報とは？

大雨警報 GMDSS meteorological message signalling precipitation rate ≥ 50 mm in 6 h, causing reduced visibility and risk of runoff.

Source: IMO SMCP, STCW Convention, SOLAS, COLREG

How is “大雨警報” Used in Practice?

ダーウィンラジオはアラフラ海に有効な大雨警報を発信。スコールで視程2ケーブル未満見込み。

Certification Exam Relevance

STCWMarlins TestISF WatchkeeperGMDSS

Who Needs to Know This Term?

  • Deck Officers
  • Engine Officers
  • Masters

Related Maritime English Terms

豪雨警報サイクロン警報GMDSS気象ブリテン視程低下警報

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Frequently Asked Questions

大雨警報とは？

GMDSS meteorological message signalling precipitation rate ≥ 50 mm in 6 h, causing reduced visibility and risk of runoff.

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