The thunderstorm developed in an area where warm moist air rose into cooler air.
They get their initial power and instability from the difference in temperature between the very hot Sahara air and the substantially cooler air along the coast of the Gulf of Guinea.
The basic effect is that given that the ground at night is generally cooler than the atmosphere, thus the air near the ground is cooler than the air higher up.
In a warm front, a mass of relatively warm air pushes against a block of cooler air and is forced to flow up over it.
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The cooler air at the top will contract and become more dense and create a downdraft.
Dr Duif also considered the possibility that, because the moon's shadow cools the air during an eclipse, this cooler, and thus denser, air might exert a different gravitational pull on the instruments.
Incoming cooler ambient air from the other end of the piston causes the helium to contract and move the piston to generate AC power.
For example, he equips all company vehicles with air conditioning and a large cooler full of Gatorade.
The jet stream consists of strong winds about 10 miles above the Earth that control storm paths and mark boundaries between cooler and warmer air.
The geothermal system heats and cools using piping that goes deep within the earth, where temperatures are warmer than outside air in the winter and cooler in the summer.
Even in midsummer, it feels like winter at Jungfraujoch: temperatures are cooler and the air thinner than in the valley below, and people sled, ski and zip-line across the snow.
And so the more they are exposing themselves to air conditioning, which leads to cooler temperatures, the less their food intake will be reduced in the hot summer months.
Owners inevitably paint the exteriors in a cheerful riot of bright red, green, orange, blue and yellow and line the un-air-conditioned cabs with teakwood to keep them cooler in India's searing heat.
Pinot needs a cooler climate than Cabernet, and the Russian River funneled the cool Pacific air into this picturesque valley, with its highly variable geology.
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The pattern is common when La Nina -- the cooler than normal waters in the Eastern Equatorial Pacific -- influences upper air patterns across the southern United States.
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"It's a subtropical air mass, " Pedram Javaheri, and can spark thunderstorms as it collides with a cooler front coming over from Texas.
If a cooler temperature is selected for the interior, they turn blue, while choosing heated air switches the illumination to red.
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