During a clear night, as heat absorbed by the earth during the day seeps out, the atmosphere allows the heat to pass through. During a cloudy night, however, the clouds catch and retain the heat in the atmosphere.Clouds trap heat being reflected from the earthThe heat radiation lost from the earth gets reflected by the clouds back to the earth, warming it. Whereas on a clear night it just escapes into space.
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The sun warms the surface of the earth during the day. At night, especially a clear night, that heat rises from the earth into the atmosphere, lowering the temperature.
On clear nights, water vapor will condense and form dew as the temperature drops overnight. When the sun is shining again in the morning, some solar energy will be used to evaporate the dew. On a cloudy night, the clouds prevent the heat loss that leads to the normal overnight temperature drop, so dew does not form. Thus the morning after a cloudy night, all of the solar energy will contribute to air temperature since there is no dew to evaporate.
Cloud cover traps heat near the ground, preventing efficient cooling needed for ice formation. Without clear skies, the heat absorbed during the day is not effectively radiated back into space at night, hindering the temperature drop necessary for ice production.
On a clear night, temperatures tend to drop more rapidly as heat escapes into the atmosphere. Cloudy nights act as a blanket, trapping some heat and causing temperatures to not drop as much as on clear nights. This can result in warmer temperatures on cloudy nights compared to clear nights.
On Earth on a clear night the temperature drops more than on a cloudy night why
During a clear night, heat from the surface of the Earth radiates out into space since there are no clouds to trap it. Clouds act as a blanket, trapping heat near the surface and preventing it from escaping, which leads to warmer temperatures on cloudy nights compared to clear nights.
Typically, nighttime air temperatures on a cloudy night are higher than they would be on a clear night. This is because the surface of the earth radiates back heat toward the sky. If the sky is clear, much heat can be lost. However, if it is cloudy, it can keep some of that heat back in. Making the temperatures warmer.
On a clear night. Clouds will prevent the heat that the earth has collected during the day because of the sun, to evaporate at night.
On a clear night you can easily study the stars whereas on a cloudy night it is quite difficult.
because of the greenhouse effect
Both water vapor and clouds are great greenhouse gasses, they block the loss of heat into outer space (at night).
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When it is cloudy, the clouds act as a barrier that reflects and absorbs some of the Sun's rays, preventing them from reaching the Earth's surface. This can lead to cooler temperatures during the day, as less solar radiation warms the ground. However, at night, clouds can trap heat, making nighttime temperatures warmer compared to clear nights. Overall, cloudy conditions generally result in a moderation of temperature fluctuations.
When sky is clear the heat from earth will radiate to space and cool the night air faster. If cloudy the heat radiated is reflected back from clouds and it does not get so cool
Since clouds are cool moist air, and cold air is heavier than warm air, the cloud cover holds down the warmth that accumulates during the day and keeps the ambient temperature slightly higher over night.