Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
A violently rotating column of air, usually less than 100 meters in diameter.
4.
A dry, warm wind that blows down the eastern slopes of the Rocky Mountains.
5.
A mass of small water droplets or ice crystals up in the sky.
6.
An instrument that measures wind speed.
7.
To change a liquid into a gas by heating.
10.
An instrument that measures air pressure (measured in millibars or kilopascals).
11.
The amount of heat in a substance. Expressed in degrees of Celsius.
12.
A kind of low level cloud.
13.
The study of weather.
15.
Super-cooled rain that freezes onto cold surfaces upon contact.
16.
To turn a gas into a liquid by cooling.
17.
The evaporation of moisture from a body of water into the air, the condensation of this moisture into precipitation, and its run as a river or stream back to the body of water where it started.
19.
A kind of high-level cloud.
21.
A simple measure of the chilling effect experienced by the human body when strong winds are combined with freezing temperatures.
24.
A severe tropical storm in which winds with speeds in excess of 116 km/h (73 mph) blow around an area of intensely low pressure; towering clouds bring torrential rain.
25.
The gravitational force the Earth exerts on an object. Weight is measured in Newtons.
26.
The temperature at which the water vapour in the air condenses out into droplets of water forming precipitation.
27.
A form of precipitation that comes in the form of flakes. Consists of clusters of ice crystals frozen together into six-sided shapes. Snow forms only when the air is cold enough to freeze the moisture as it condenses out of the air.
28.
The condition of the atmosphere with respect to heat/cold, wetness/dryness, clearness/cloudiness for a period of time.
Down:
1.
The boundary between a warm and cold air mass. If the cold air is moving in to replace the warm air, the front is called a cold front. If the warm air mass is moving in to replace the cold air, the front is called a warm front.
3.
A current of cold air coming into a room through an opening such as a window or door.
4.
The average range of weather conditions at any place occuring over a long period of time.
6.
The force that is applied on everything on earth caused by the weight of the air.
8.
The layer of air around the earth that consists mainly of nitrogen and oxygen gases. Most of the air is found within the first 35 km above the earth’s surface.
9.
Round or irregular lumps of ice formed by movement of ice through super cooled moisture in the upper parts of thunderheads.
11.
An instrument used to measure temperature.
14.
An electrical discharge from a thunderstorm.
18.
A serious shortage of precipitation.
20.
A large area of air with relatively the same temperature and moisture throughout.
22.
A measure of the amount of moisture in the air.
23.
A booming or crashing noise caused by air expanding along the path of a bolt of lightning.