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World Meteorological Organization

Organisation Mondiale Meteorologique

image by Zoltan Horvath, 22 October 2013

About the flag
Previous flag
Weather warning flags

See also:

About the flag

My collection of UN Agencies' flags are based both on William G. Crampton's "Flags & Coats of Arms" and the official logos of each agency.
The blue color is taken from a UN logo at its website:
"http://www.un.org".
Blas Delgado Ortiz, 24 June 2000

The World Meteorological Organization promotes scientific research on the Earth's atmosphere and on climate change and facilitates the global exchange of meteorological data.
Blas Delgado Ortiz, 24 June 2000

The World Meteorological Organization modified its logo on 26 June 2012 during the 64th Session of the Executive Council. Compass became yellow, and abbreviations are omitted from the logo.
Image of its new flag: http://twicsy.com/i/6rdPQb
Zoltan Horvath, 22 October 2013

Previous flag

image by Blas Delgado Ortiz, 24 June 2000

Weather warning flags

All signals are found in Ch. 5 of ‘WMO Publication No. 9, Weather Reporting, Volume D, Information for Shipping’. Most are specific to individual countries, but two are shown in Annex II ‘National Systems of Visual Storm Warning Signals (Day Signals) as offered by WMO on line (sometimes): http://www.wmo.int/pages/prog/www/ois/Operational_Information/VolumeD/VolumeD.pdf

images located by Jan Mertens, 4 May 2008

The first signal is really a set of two flags, a yellow one with thin red ascending diagonal stripes (is the number important? I count seven) above a white one bearing a thin red saltire. The second signal is a red pennant with two vertical blue stripes. I could not find these in the country list and suppose they were abolished in the past but not removed from the table.
Jan Mertens, 4 May 2008

These seem to be ICS letter flags spelling "yv" (Yankee and Victor). Pairs of ICS flags have usually separate meanings; any idea about this?
António Martins-Tuválkin, 5 May 2008