« Back to Glossary IndexAn elongated area of high pressure in the atmosphere. Opposite of a trough.Related Articles:Very dry and hot - 41C at nearby PenrithTropical Cyclone Atu - RSMC Nadi TCWCGlossary: TroughAlmost every day January had rainRe: Northern NSW / SE QLD Flood Disaster : 18th - 30th January 2011« Back to Glossary Index