« Back to Glossary IndexAir in motion relative to the surface of the earth.Related Articles:December 2022 - A drier month that ends a record wet yearTuesday afternoon storms with small hail 1/12/2020Tropical Storm Carlos - Expected third Hurricane June 12 2015Glossary: Right Entrance RegionTropical Cyclone Victor South Pacific Ocean 15 to 19 January 2016« Back to Glossary Index