HAIL Balls of ice that grow in thunderstorm updrafts. HAZE Fine, dry or wet dust or salt particles in the air that reduce visibility. No thunder is heard because heat lightning is too far away. An area of high-atmospheric pressure, also called an anticyclone. An area of maximum barometric pressure, this usually brings fair weather.
High pressure moves in a clockwise rotation spreading out as it rotates.
An unseasonably warm period near the middle of autumn, usually following a substantial period of cool weather. Strong winds concentrated within a narrow band in the upper atmosphere from 5,000 to 50,000 feet above the Earth s surface, blowing west to east. These winds help steer weather systems across the world. A visible discharge of electricity produced by a thunderstorm. It is caused by a build-up of static electricity.