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Animation of a warm front, author: Dr. Horst Rudolf, university of Bielefeld in cooperation with his pupils
source: http://www.learn-line.nrw.de/angebote/klima/medio/bilder/wfront.gif
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Here are the missing words for the following text:
Warmer, colder, air mass, lifts up, warm, cold, move slowly, settling over the cold front, air, in front of them, warmer and more humid, cirrus clouds
Warm fronts:
Warm fronts occur, when a ......................air mass approaches a ...............................
The warmer air ....................... and over the colder air.
.................fronts are usually more gentle than ..............fronts, ................................, gently ..................................................and moving it out of the way.
Precipitation at warm fronts are usually less heavy although more extensive (300-400 km), than at the cold fronts. The .................behind a warm front is warmer and more moist than the air ahead of it.
Warm fronts bring more steady, lighter rain or snow ………………………, which can last from a few hours to several days. When a warm front passes through, the air becomes noticeably ...................................than it was before.
The first signs of the warm front are the ..........................., followed by the cirrostratus, altostratus, nimbocumulus and stratocumulus types of clouds. |
