Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 27Y is...

27Y is

  • Grand Marais Automated Meteorological Observing System, Grand Marais, Michigan USA

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Acronym Definition Searched: SXG TED MVP MQH CCAF 76854 78A BS NCDC SV BWC 443 BTT 93657 NAC