The Awnser Is:
The hot landmass heats the air aboce it.
When the fan pulls air up to the ceiling it pushes warm air back down to heat the room. Turn the fan the other direction and it send a cooling breeze.
The common statement is that tornadoes develp when warm and cold air collide, but this grossly oversimplifies what is going on. The collision of warm and cold air masses is not the direct cause of tornadoes nor, is it completely necessary. If there is enough instability in the warm air mass, the collision can lead to the formation of thunderstorms. If a few other conditions are right these storms might go on to produce tornadoes. However such storms may also form wheredry air pushes into moist air. They can sometimes even form from convective storm systems without any colliding air masses.
Because air is a great insulator against cold. Between two blankets will be a layer of air, warmed up and kept warm by the heat of your body.
Tempature and humidity are almost always the 2 traits given, even if the terms are vague, such a as a warm moist air mass or a cold dry air mass. The terms are in reference to the air mass in an area before the new one being described.
There are 2 types, first is direct solar air heating and ventilation similar to the Solar sheat product sold by yoursolarhome, this heats air directly from the sun and circulates the warm air through your house.The second, and more popular, is Radiant heating. Solar water heaters warm the water using Solar Thermal energy and that warm water is circulated beneath the floor of the home or through radiators.
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Yes. If a warm air mass moves into a cold air mass it creates a warm front. When the opposite happens it forms a cold front.
1) Warm front - warm air mass replacing a cold air mass at ground level. Typically shifts wind southeasterly to southwesterly. 2) Cold front - Cold air replacing warm air at ground level. Tyoically shifts southwesterly to northwesterly 3) Stationary front - Equal amount of energy between warm and cold air masses creating a "stalemate".
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The boundary between two air masses is called a front. A warm front develops when a warm air mass pushes against a cold air mass. Rain usually occurs in a warm front and if temperature is low enough, snow falls.
Cold Front-When a fast moving cold air mass runs into a slowly moving warm air mass Warm Front-A fast moving warm air mass collides with a slow moving cold air mass Stationary Front-When a cold and a warm air mass meet, but neither one has enough force to move the other Occluded Front-When a warm air was is caught between two cold air masses
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Because the air handler and ductwork are full of warm air from not running and cooling is not instantaneous upon start up. It takes 2 or 3 minutes of run time for the unit to begin cooling.