HKO/CAANZ/BoM/WMO/ICAO SIGMET Posters
HKO/CAANZ/BoM/WMO/ICAO SIGMET Posters
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| HKO - Hong Kong Observatory |
| CAANZ - Civil Aviation Authority of New Zealand |
| BoM - Bureau of Meteorology of Australia |
| WMO - World Meteorological Organization |
| ICAO - International Civil Aviation Organization |