Essays Tagged: "warm moist air"

Hurricans

HurricanesHurricanes get their start over the warm tropical waters of the NorthAtlantic Ocean near the equator. Most hurricanes appear in late sum ... Most hurricanes appear in late summer orearly fall, when sea temperatures are at their highest. The warm watersheats the air above it, and the updrafts of warm, moist air begin to rise.Day after day t ... rarely rise higher than about 6,000 feet.At that height in the tropics, there is usually a layer of warm, dry airthat acts like an invisible ceiling or lid.Once in a while, something happens in the up ...

(2 pages) 143 0 4.2 Oct/1995

Subjects: Science Essays > Environmental Science

Natural Phenomenon or Myth?

terranean and the Santa Ana winds of Los Angeles.The foehn of Austria is caused by the rising of warm, moist air up windward slopes and it expands and cools, thus collecting water vapor. After tha ... e is forming rain or snow, releasing dormant heat. By the time the air reaches the peak it is very warm and dry. As the air makes its way down the mountain, it is compacted and it warms quickly all ...

(2 pages) 21 0 3.0 Oct/2005

Subjects: Science Essays > Environmental Science

An essay on the causes of drought in Australia

hen it is below 10.Probably the main cause of drought in eastern Australiais El Niño Ð a warm ocean current in thePacific. At irregular intervals, it spreads furthersouth and the water in t ... lar intervals, it spreads furthersouth and the water in the central and easternPacific becomes much warmer, bringing heavy rainfalland floods to arid parts of South America.At the same time, normally ...

(2 pages) 1329 0 0.0 Jul/2008

Subjects: Science Essays > Earth Sciences > Geography

An essay on tropical cyclones

. It is called a hurricane in theUnited States and a typhoon in Asia. Tropicalcyclones are areas of warm, moist air risingrapidly. The upward ¯ow of air is de¯ected by theCoriolis effect (wi ... macr;oods are ranked as more signi®cant than winds.Tropical cyclones need the energy provided bywarm water vapour (sea waters of at least 27°Celsius). Usually they die out if they move inlanda ...

(3 pages) 3731 0 1.0 Jul/2008

Subjects: Science Essays > Earth Sciences > Geography