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A tsunami warning has been issued for Hawaii, and the warnings for US and Canadian coastal areas have been called off. Four to Seven foot wayve area expected to reach the Hawaii’s north facing beaches today. The warning has been issued after a 7.1 earthquake struck an island off the coast of Canada.

At the same time, the northeastern US is doing its best to prepare for Sandy. New York City mayor Michael Bloomberg has announced that all public transportation will be shut down starting with buses and subways at 7PM Sunday and extending to commuter trains at 9PM.

Residents of the region are being urged to take the storm seriously and to move to higher ground in areas that are prone to flooding.
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Who would have believed it? Cleaning up pollution may lead to more hurricanes!

We’re not sure how this might effect tornadoes, but recent research suggests that cleaning up air pollution from factories in North America and Europe could have helped to cause more disastrous hurricanes in the US in recent years. Since 1995, according to NOAA, severe hurricanes have become much more frequent in the US.

It was always assumed that natural causes were behind the temperature fluctuations that lead to hurricanes, but a new study suggests that tiny airborne particles from industrial pollution (as well as from volcanic eruptions), are the more likely culprit.
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Pollution affects the ocean in many different ways. One of these is that it causes hurricanes. A recent increase in the intensity of tropical cyclones in the Arabian Sea may be a side effect of increasing air pollution over the Indian sub-continent.

Traditionally, prevailing wind-shear patterns prevent cyclones in the Arabian Sea from becoming major storms, but the weakening of the winds has enabled the formation of stronger cyclones in recent years–including storms in 2007 and 2010 that were the first recorded storms ever to enter the Gulf of Oman.
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First it was drought, then it was massive floods–now Australia faces a hurricane that is estimated to be twice the size of hurricane Katrina and at least as powerful. The Australian Meteorology Bureau issued the following warning: ‘This impact is likely to be more life threatening than any experienced during recent generations." The largest typhoon so far recorded was supertyphoon Tip, which struck Guam in 1979 with 200 mph winds. Yasi has so far displayed winds of 180 miles per hour and is expected to strengthen over the next 24 hours.read more