Nature’s Wrath: Humans Be Nice!

April 4, 2009 by  
Filed under Featured, Lifestyle, Places and Nature

The human kind is the supreme ruler of the planet Earth. Top of the food chain, the most intelligent and powerful being. We are so full of ourselves that we never stop to think about the consequence. Why should we? We are so mighty that nothing can hurt us!

On the other hand these pictures tell a completely different story. Just some examples of nature’s display of its might. Indeed there is a force that is more powerful than anything we can ever build. Who knows, maybe these are just the warning signs of a planet that has had enough of us and is about to banish us from the face of Earth. Anyway, these are fun to watch.

natures wrath09 in Natures Wrath: Humans Be Nice! Read more

Riyad sand storm – massive sandstorm hits Saudi Arabia

March 12, 2009 by  
Filed under Misc, News

riyad01 in Riyad sand storm   massive sandstorm hits Saudi ArabiaA blinding sandstorm swept through Kuwait and parts of Saudi Arabia on Tuesday, disrupting air traffic as well as oil exports.

The storm raged for several hours. Visibility dropped to zero at the international airports in Riyadh, the capital of Saudi Arabia, and in Kuwait.  Airport Director Saad Al-Tasan said that all air traffic at King Khalid International Airport was halted for over three hours because of the storm, and later the airport was only allowing departures.

Drivers in both areas were forced to stop or slow down as the sand turned skies into an orange brown.

Billowing clouds of sand engulfed the city and surrounding areas, forcing drivers to slow to a crawl and people to stay indoors.

“I’ve never seen such weather in my 32 years’ stay in Saudi Arabia,” said Jayceelan Santhanam, an airline official.

“It’s surely the worst sandstorm to hit Riyadh.”

Visibility plunged to zero as the huge wave of dust ploughed through the city at high noon. The impact shut out the bright blue sky and turned everything into an eerie orange-brown.

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Destructive storm on Jupiter

March 4, 2009 by  
Filed under Science and Technology

jupiter 212x300 in Destructive storm on JupiterPlanetary scientists detected that an anticyclone on Jupiter called the Little Red Spot produces winds up to 384 miles per hour, far exceeding the 156 mph mark that would make it a category five storm on Earth. Scientists measured wind speeds and directions by tracking the motion of cloud features from two image mosaics from a telescopic Long Range Reconnaissance Imager, taken 30 minutes apart. They combined the LORRI maps with visible-color images from Hubble, and mid-infrared images from the European Southern Observatory’s Very Large Telescope allowing scientists to “see” thermal structure and dynamics beneath the visible cloud layers.Jupiter’s Great Spot isn’t as great as it used to be. It’s actually been steadily shrinking for decades. Now, its younger, smaller sibling, the Little Red Spot, may be taking over the spotlight.The planet Jupiter looms out in space. Its famous feature, the Great Red Spot ” a massive, swirling storm ” can be seen from your backyard. “If you look at Jupiter through a telescope, it is the red spot you can see,” said Andrew Cheng, a planetary scientist at the Johns Hopkins Applied Physics Laboratory. Now, a newer, younger storm called the Little Red Spot is growing despite its name and proving to be fierce competition for the top spot on Jupiter. “Jupiter’s red spot is a not so little, giant storm,” Dr. Cheng said. “It’s like a hurricane except that its winds blow in the opposite direction”.

jupiter2 in Destructive storm on Jupiter

jupiter1 223x300 in Destructive storm on Jupiterjupiter4 289x300 in Destructive storm on JupiterThe counter-clockwise winds make the storm an anticyclone, and for the first time, planetary scientists have recorded wind speeds of up to 385 mph, the highest ever detected on a planet. That’s 185 mph faster than any category 5 hurricane on earth. “It’s much bigger than any hurricanes that are found on earth”, Dr. Cheng said. “It’s bigger than earth itself”. The Little Red Spot started out white and recently turned red. Researchers believe increased wind speeds stirred up material that was exposed to ultraviolet radiation, causing a chemical change to make it look red. “Many features in Jupiter’s atmosphere change color from time to time”, Dr. Cheng said. “Now, it looks very much like the Great Red Spot. It’s just a smaller version of it”.

By keeping an eye on all of Jupiter’s spots, scientists hope to get a better understanding of weather on other planet, too.

ABOUT THE LITTLE RED SPOT: The Little Red Spot on Jupiter is an anti-cyclonic storm formed by the merger of three separate storms observed since the 1930s. In 1998 two of the storms came together and were joined in 2000 by a third to form a storm roughly the size of the planet Earth. Using data from recent telescope and spacecraft observations, scientists determined that the storm has some of the highest wind speeds ever detected on any planet. In 2005 it started turning red for unknown reasons, and now it looks similar to its larger, more famous neighbor, the Great Red Spot. The peak wind speed for the Little Red Spot is in excess of 384 miles per hour.

WHAT IS AN ANTI-CYCLONE? Unlike hurricanes, which rotate around a center of low pressure, anti-cyclones rotate around centers of high pressure. On earth that means that air at lower elevations is forced away from the center, creating an opening that pulls cold air down from above. That leads to low humidity and few clouds. On Earth, anticyclones are often predictors of fair weather, though special conditions can create anti-cyclonic tornadoes. There are examples of anti-cyclonic storms on other planets, such as Jupiter, Saturn, and Neptune.

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