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The temperature of the air near the ground is the main factor in determining whether precipitation falls as rain or snow. If the temperature is above freezing, the precipitation will fall as rain. If the temperature is below freezing, the precipitation will fall as snow.
The water drops that fall when the temperature is above freezing are called rain droplets. This occurs when snow or ice melts as it falls through the warmer air layers of the atmosphere, turning into liquid water droplets.
Rain occurs when water droplets in clouds combine and grow in size until they are too heavy to be suspended in the air, causing them to fall as precipitation. This process is known as coalescence and is influenced by factors such as temperature, humidity, and air currents.
clouds can make rain fall by getting the water from the ocean and pouring it on land .but not all at the same time.
Falling air pressure is not rain. Rain is caused by the condensation of water vapor in the atmosphere forming droplets that fall to the ground. Falling air pressure can be associated with weather systems that bring rain, but the pressure change itself does not cause rain to fall.
Rain will fall when the air temperature is above freezing.
The temperature of the air near the ground is the main factor in determining whether precipitation falls as rain or snow. If the temperature is above freezing, the precipitation will fall as rain. If the temperature is below freezing, the precipitation will fall as snow.
It may be the coldest temperature that some locations have reached, but it's not even close to the coldest air temperature reached or certainly that which has been achieved with technology.
1. Temperature 2. air pressure 3. Rain Fall 4. Wind direction
-87 celsius
When the temperature of the air falls sufficiently, then the air is no longer able to support the water vapour in suspension. In this case, the water will condense, at first into a fog of small spheres, and then these coalesce into larger droplets as they bump into each other, and they will then fall as rain.
The water drops that fall when the temperature is above freezing are called rain droplets. This occurs when snow or ice melts as it falls through the warmer air layers of the atmosphere, turning into liquid water droplets.
When air is rising.
Basically it forms rain when the temperature is warm enough. It forms snow when the temperature is below freezing. When moisture in the atmosphere clings to air borne dust particles, they becoming too heavy to stay floating in air. So they fall to the ground as either rain or snow.
Depending on the temperature they could melt into rain or sleet. Or as we call it in Virginia, "sneet".
It may be the coldest temperature that some locations have reached, but it's not even close to the coldest air temperature reached or certainly that which has been achieved with technology.
Other things being equal, temperature decreases with height.