Last modified: 2016-06-12 by ivan sache
Keywords: storm |
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Storm signal flag - Image by Eugene Ipavec, 12 December 2008
Storm signal flags are prescribed by the Regulation Reglamento de señales visuales de temporal y puerto, adopted in 1948 and updated in 1971 (full reference).
The black flags, in size 1.50 x 1.90 m, shall be used as follows:
- a single flag: Wind is veering to the right (clockwise);
- two flags, one above the other: Wind is veering to the left (counter-clockwise).
[Flags at Sea]
Aingeru Astui Zarraga & Jan Mertens, 12 March 2007