noun

atmospheric pressure

noun

an area of high air pressure that produces calm weather with very little wind

noun

the pressure of the atmosphere on the surface of the Earth

noun

the place where a moving mass of cold air meets a mass of warm air. Cold fronts usually cause heavy rain and they sometimes cause thunder.

noun

a large mass of air at low pressure that usually brings colder weather and rain

a change in the currents of the Pacific Ocean off the South American coast that can seriously affect the weather in the region, often causing major problems such as floods

noun

a place where a large area of cold air meets a large area of warm air, often shown as a line on a weather map

adjective

relating to a weather front

noun

a current of warm water that flows from the Gulf of Mexico to the north and east across the Atlantic Ocean towards Europe and Africa

noun

a line drawn on a weather map that connects places with the same air pressure

noun

an area of low air pressure

noun

a type of air pressure that usually brings wet weather

a current of warm water in the Atlantic Ocean that is part of the Gulf Stream. It makes the climate of northwest Europe warmer than it would otherwise be.

noun

a long narrow area of high pressure in a weather system

noun

a long narrow area of low pressure in the atmosphere between two areas of high pressure, usually causing bad weather

noun

the front edge of a mass of warm air that brings warm weather when it moves into an area. The front edge of a mass of cold air is called a cold front.