2006-08-20 00:01:59 · 19 answers · asked by sokrun s 1 in Science & Mathematics ➔ Geography
It generally rains a lot on one side and very little on the other side.
On the rainy side, adiabatic cooling (caused by the air rising to go over the mountain) causes the moisture in the air to condense and form precipitation (i.e., rain or snow or hail).
On the dry side, the air descending is warm and can hold more air than when it was cold, so it rarely rains. In addition the air has already lost most of it's moisture on the other side.
2006-08-20 12:43:06 · answer #1 · answered by idiot detector 6 · 0⤊ 0⤋
The mountain stops the rain cloud. The cloud tries to pass over the mountain to get to the other side. As it rises above the mountain, it cools down as the temperature is lower and the water vapor condenses into water and rain falls.
2006-08-20 22:55:34 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Mountains force clouds to rise to a higher elevation. Since air is heated by the reflection of heat from the ground, the further away from the ground air is, the colder it gets. Hot air can hold a great deal of moisture, cold air cannot. So when air cools, it is forced to give up moisture in the form of rain.
2006-08-20 00:14:35 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Mountains are very tall. Clouds, especially rain clouds, are just as high as mountain peaks. The clouds have to let go of the water they are holding in order to rise above the peak. That's why mountains get more percipitation than lower landmasses.
2006-08-20 13:18:13 · answer #4 · answered by Waterfall 2 · 0⤊ 0⤋
Weather fronts move relatively swiftly over level terrain. The wind is always blowing in Oklahoma. When a weather front gets to a mountain range, the air mass is forced upward. When moist air rises suddenly, it cools suddenly, allowing water vapor to accumulate in the form of drops. When the drops get heavy enough to overcome the warmer, rising air, they fall to the earth as rain.
2006-08-20 00:11:49 · answer #5 · answered by regerugged 7 · 0⤊ 0⤋
Because the cloud with moist of water touched the mountains and trees and it breaks into a tiny drops called rain. Forest is the place of rain drops due to the oxygen releases by the tress and plants. If compared to middle eastern countries, they have seldom rain due to lack of green forest.
2006-08-20 00:11:08 · answer #6 · answered by Sam X9 5 · 0⤊ 0⤋
When there are mountains, the wind is carried upwards. Since the temperature is low there and the pressure is also low, water droplets in the wind easly turned in to rain drops. In fact there is less rain on the reverse slope of the mountain.ie, the slope that doest not face the wind direction.
2006-08-23 18:24:35 · answer #7 · answered by Subakthi D 2 · 0⤊ 0⤋
As the air rises to get over the mountains, it cools off because of the higher elevation. Cool air holds less water vapour than warm air. Therefore, the excess water vapour condenses and falls as rain.
2006-08-20 00:08:27 · answer #8 · answered by stevewbcanada 6 · 0⤊ 0⤋
When the heavy rainclouds are forced to rise coz there are mountains in the way, they have to get rid of some weight, i.e. rain. So, they let go and sail over the mountains.
2006-08-20 00:05:32 · answer #9 · answered by Paul 4 · 0⤊ 0⤋
Because the clouds gather up against the mountains, moisture condenses, and the clouds drop their rain. Has to do with air currents and warm air meeting cooler air.
'Nuff said?
2006-08-20 00:09:40 · answer #10 · answered by Mr. Peachy® 7 · 0⤊ 0⤋