Atmosphere And Weather
How lightning can strike on a cloudless day
By: Sandy Virtue
We have all read stories about lightning striking on a cloudless day. These streaks of lightning are often referred to as “bolts from the blue” since they seem to come out of a clear blue sky. This is where bolts or streaks of lightning...
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How lightning can strike on a cloudless day
By: Kimberly Napier
Lighting is produced by thunderstorms and are represented by a flash of electricity. When there is a thunderstorm there are lightning strikes. Each flash of lighting is considered to be very dangerous and have killed between 75 to 100 people each year, more than hurricanes...
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By: Zacharie King
Lightning is one of the most powerful and dangerous forces of nature on the planet. On a typical year it will kill more people then tornadoes or hurricanes which is amazing considering the destruction those storms do. With hurricanes and tornadoes there is often warning...
Why society does not act alarmed about the climate crisis
By: Christyl Rivers
Everyone by now has an opinion on climate change. The record heat of 2012 and its accompanying tornadoes, fires, droughts, floods, severe storms woke many Americans up. The year culminated with Hurricane Super Storm Sandy slamming the east coast. At last, even politicians like Mayor...
By: Diana Busby
Seeing the formation of a thundercloud on a drive across the Texas panhandle is an exciting sight for storm chasers, but residents in the area know that thunderclouds often bring severe weather and destruction. Scientists study the role of air temperature in the formation of...
What is the ionosphere?
By: Jose Juan Gutierrez
The ionosphere is an electrified region in the upper atmosphere where large quantities of free electrons, charged atoms and molecules exist. The ionosphere lies in a region 60-1000 km (37-621 miles) and beyond the atmosphere and is entirely ionized by the radiation coming from the...
How oceans affect Earth's climate
By: Jose Juan Gutierrez
The oceans of the world comprise approximately 3/4 of the Earth's surface, thus, the oceans absorb most of the radiation energy coming from the Sun compared to what the land's surface does. Solar radiation is absorbed by land masses, the air and the ocean at...
Why the sky is blue
By: Jose Juan Gutierrez
The sky is blue due to Rayleigh scattering, which is the dispersion of light by particles much smaller than the wavelength of visible light. The sun's light is composed of all the colors of the visible spectrum. The gas molecules scatter the higher energy (blue)...
Overview of pyrocumulus clouds and their formation
By: Hai Shunxi
Pyrocumulus clouds are a special class of cumulus clouds, the most recognizable type of cloud and the the ones that children draw like piles of cotton balls. Cumulus clouds, which are usually a sign of fair weather, can be identified from their flat bottoms and...
By: Jose Juan Gutierrez
Pyrocumulus clouds, also known as fire clouds, are formed due to intense heating of atmospheric air on the surface of the ground. The formation of pyrocumulus clouds most commonly occurs during volcanic eruptions or wildfires, but they also can be formed due to industrial pollution...
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