Why does it get so HOT? I have brought in the experts for the answers: Google Index and Wikipedia! There are many contributing factors to the Hot Weather. You will personally be affected (or not) by your Location to the moving Heat. At my location today, it was 110 degrees, which is too hot to handle. Your photostudy tonight is the huge ball of fire setting for the night! Your infostudy is on High Pressure and Earth Facts about the Earth's Heat and the movement of Hot Air on the Surface. Enjoy!!
Wind Circulation in the northern and southern hemispheres
Highs are frequently associated with light winds at the surface and subsidence through the lower portion of thetroposphere. In general, subsidence will dry out an air mass by adiabatic, or compressional, heating. Thus, high pressure typically brings clear skies. During the day, since no clouds are present to reflect sunlight, there is more incoming shortwave solar radiation and temperatures rise. At night, the absence of clouds means that outgoinglongwave radiation (i.e. heat energy from the surface) is not absorbed, giving cooler diurnal low temperatures in all seasons. When surface winds become light, the subsidence produced directly under a high-pressure system can lead to a build up of particulates in urban areas under the ridge, leading to widespread haze. If the low level relative humidity rises towards 100 percent overnight, fog can form.
Strong, vertically shallow high-pressure systems moving from higher latitudes to lower latitudes in the northern hemisphere are associated with continental arctic air masses. Once arctic air moves over an unfrozen ocean, the air mass modifies greatly over the warmer water and takes on the character of a maritime air mass, which reduces the strength of the high-pressure system. When extremely cold air moves over relatively warm oceans, polar lows can develop. However, warm and moist (or maritime tropical) air masses that move poleward from tropical sources are slower to modify than arctic air masses
The following is an excerpt only from the large Wikipedia Page on Earth. Please visit link for complete item:
"The Blue Marble" photograph of Earth,
taken from Apollo 17
|Mean mantle concentration|
|238U||9.46 × 10−5||4.47 × 109||30.8 × 10−9||2.91 × 10−12|
|235U||5.69 × 10−4||7.04 × 108||0.22 × 10−9||1.25 × 10−13|
|232Th||2.64 × 10−5||1.40 × 1010||124 × 10−9||3.27 × 10−12|
|40K||2.92 × 10−5||1.25 × 109||36.9 × 10−9||1.08 × 10−12|
Weather and climate