a tube made of soft material, open at both ends, that hangs at the top of a pole, to show the direction of the wind, especially at a small airport. (noun)
windsock
a machine or part of a machine that produces continuous turning power from a fast-moving flow of a liquid or gas, using a set of vanes attached to a wheel or rotor. (noun)
turbine
the direction that you look towards to see the sun rise. (noun)
east
a range of levels or numbers used for measuring something. (noun)
scale
the rate at which somebody/something moves or travels (noun)
speed
to tell somebody what you think they should do in a particular situation (verb)
advise
of or using a scale of temperature in which water freezes at 0° and boils at 100° (symbol: C)
Celsius
a system that uses radio waves to find the position and movement of objects, for example planes and ships, when they cannot be seen.. (noun)
radar
the measurement of how tall a person or thing is (noun)
height
a small weather sensor package that is typically attached to a weather balloon. (noun)
radiosonde
the line where a mass of cold air meets a mass of warm air. (noun)
front
a statement about what will happen in the future, based on information that is available now (noun)
forecast
a small bag made of very thin rubber that becomes larger and rounder when you fill it with air or gas. (noun)
an instrument for measuring the humidity of the air or a gas. (noun)
hygrometer
to watch somebody/something carefully, especially to learn more about them (verb)
observe
a unit for measuring the pressure of the atmosphere, equal to a hundred thousand newtons per square metre (noun)
bar
of or using a scale of temperature in which water freezes at 32° and boils at 212° (sym: F)
Fahrenheit
an instrument for measuring air pressure to show when the weather will change (noun)
barometer
an instrument for measuring the speed of the wind or of a current of gas. (noun)
anemometer
to make something happen, especially something bad or unpleasant (verb)
cause
a line on a weather map that joins places that have the same temperature at a particular time. (noun)
isotherm
an instrument for measuring the amount or level of something (noun)
gauge
a place where weather conditions are studied and recorded (AWS)
automated weather station
the general position a person or thing moves or points towards. (noun)
direction
an instrument used to measure the drop size distribution and velocity of falling hydrometeors. (noun)
disdrometer