The Meteorology of Lujenar
Lujenar is a plush tropical planet a little warmer than earth.  It is often referred as the water planet because 80% of it is covered by water.  The huge volume of water tends to stabilize temperatures on the planet.  Lujenar's atmosphere is composed of nitrogen, carbon dioxide, oxygen, argon, and small traces of other gases.    Because its axis is nearly perpendicular to the plane of its orbit, the planet doesn't have seasons.    Like Hawaii, Lujenar is pleasantly mild all year around.  Temperatures range from 60-100 degrees Fahrenheit. 

 

Global Climate (Air and Water Currents)

Lujenar's various land regions have relatively constant temperatures throughout the year.  The equatorial region is quite warm.  Temperatures range from 80-100 degrees Fahrenheit.  Almost all of Lujenar's rain forests lie at or near the equator.  Around the equator, humidity is also very high.  Lujenar's  hot deserts are also located around the equatorial region where atmospheric pressure is high.  At the equator where temperatures are high, air becomes warm and rises.  As the air rises, it cools and releases moisture over some areas a little bit above and below the equator.  As the air descends, it becomes dry and warm thus causing desert conditions.  Lujenar's deserts can often reach 100 degrees Fahrenheit.  A little distance away from the deserts are Lujenar's grasslands.  Temperatures are cooler here.  Away from the equator, temperatures are more suitable for humans.  Temperatures range from 60-80 degrees fahrenheit.  However, most of Lujenar's land regions are not in these areas. 

Rainfall

The large bodies of water, land features, and air currents are all factors affecting rainfall on Lujenar.  In general, rain falls more frequently near the equator.  At the equator, the intense heat of the Gutrabar star causes large amounts of moisture to evaporate in the warm air.  Most of the rainforests in the equatorial region receive more than 70 inches of rain annually.  The hot deserts of Lujenar are hot, barren regions that receive little rain.  These regions are high pressure zones in which cool air normally descends.  Thus, the descending air becomes warm and absorbs moisture rather than releasing it as precipitation.  

 

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