« Back to Glossary Indexthe absence of apparent motion in the air.Related Articles:New cyclone threat for North QLD 04/02/09Two typhoons North West Pacific Ocean 15/10/2015Glossary: EyeBatemans Bay and South Coast Lightning Show - November 9-10, 2011Singleton supercell & Asquith Sydney Tornado 8th April 2012« Back to Glossary Index