B
Instrument that measures air pressure.
An aneroid barometer doesn't contain liquid.
Area of country, generally a larger catchment area, drained by a river and its tributaries.
Measurement of water depth in oceans, seas or lakes.
Scale that estimates wind speed based on the effects we feel, see and hear (human observations).
Very strong and cold wind loaded with snow, some lifted off the ground.
Upward force which lifts a parcel of air. This happens when the air parcel is less dense than the surrounding environment.