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325922 2010 年 05 月 01 日 02:29 Reading (loading. ..) Comments (1) Category: ˉ see world affairs
1. Fire Tornado
Fire whirlwind encounter with
will form a catastrophic wildfire, Hot flame and the cold air around the huge temperature gradient between the vortex can be formed. Air and wind in appropriate cases, the rotation of the fire straight into the sky. Fire whirl may extend hundreds of feet in the sky, the trees uprooted, causing deaths. In 1923, the fire occurred in Japan in a few minutes cyclone caused 38,000 deaths.
2. ice ring
there are strange crop circles not only in winter also has its own mysterious phenomenon: a beautiful round sea ice in the water is rotating slowly. Put aside the jokes alien encounter, but also spread on the wonders of several different theories. The most popular argument is that the slow flow of water will spin into a circle of ice, and then as the ice slowly rotating, corner rubbing against each other, forming a positive circle. The diameter of 6 feet (1.8 meters) is the rotation of the ice ring discovered in Canada in 2008.
3. upside down rainbow
this upside down rainbow, also known as Central zenith arc. The rainbow is a refraction of the visible spectrum through the formation of water droplets after. Upside down rainbow is a light which shines on the ice contained in ice crystals, such as certain types of clouds above, and then refracted through the edge of the formation of ice crystals.
4. saucer clouds
This is a rare lenticular cloud, is the flow of air in the mountains formed when the wave cloud. Some people call this look flat and oval-shaped cloud mistaken as a UFO. This figure lenticular cloud is September 2008 shooting in southwestern New Mexico.
5 volumes of natural snow
volume is a strange winter snow landscape. The cylindrical The more rolling more snowball, resulting eventually in a cylindrical Volume of snow is often empty,
ugg, because the middle is the loose snow, so it may be dispersed by the wind.
6. Cloud beard
horseshoe-shaped vortex
is a rare cloud cloud looks like a horseshoe. If the vertical vortex formation, it would herald the arrival of a tornado. However, occasionally they will form such a strange shape, usually caused by the level of cumulus updraft rotation flow formed by deformation.
7. Large hail
The 7-inch diameter hail
(about 18 cm), circumference of nearly 19 inches (48 cm), June 22, 2003 landing in Nebraska. It found that the largest hail in the United States. Intense summer hail produced by thunderstorms, and close a number of water droplets and ice crystals into larger ice particles freeze, unable to support the time when the rising air falls. They will cause serious damage to crops and property. In order to avoid the hail storm, people have tried various methods, in the Middle Ages, Europeans ringing church bells, fired guns into the sky, in the 20th century, scientists have experimental cloud seeds, but the results are obvious.
8. color the sky
This may look a bit like Aurora, but in fact, they are a completely different atmospheric phenomena, called the mother of pearl clouds. Sometimes called mother of pearl clouds, they were formed in relatively high altitude, at sea level 15 miles (about 24 km) above. This means that these high clouds after sunset the sun can still shine. In the polar regions, these clouds are not uncommon, but rarely in the middle latitudes seen. Figure appeared in the mid-latitude clouds is a 2006 shooting in Colorado.
9. Hongyu
2001 年 7 months, the Indian state of Kerala in a strange red rain started down. Scientists have proposed several different theories to explain the red rain. Some people think that the rain may contain the desert dust, also s
uggested that the rain may contain fungal spores, there are two scientists published papers and even made the rain with the possibility of meteor particles. In order to ascertain the truth, the Indian government ordered the study, the researchers found that algae spore is really a culprit. However, scientists did not explain the algae spores into the atmosphere and the way the red rain.
10. ball lightning
ball lightning is a controversial phenomenon. Centuries has been known that the discharge appeared in the sky bright ball of light. However, scientists still can not explain the spectacle, or even verify the existence of ball lightning. Even if the photos are real scientists disagree.
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