Dust storm - exclusive photos from Sydney

Filed in: yesterday received first hand experiences from Sydney and Brisbane as an incredible dust storm blew through.

Over the next 24 to 72 hours forecasters believe the dust will pass through our skies, possibly creating a hazy appearance and for those regions who aren't covered in rain or cloud you may get to witness orange sunrises and sunsets over the next few days.

Take a look at these fantastic images sent in by Australian WeatherWatch reader Shannon Wilcox.

Atlantic Hurricane season incredibly quiet - all action in the Pacific

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In the Atlantic, the remnant tropical wave of Fred was located between Bermuda and the northern Leeward Islands, and continues to move west.

It will continue to encounter shearing winds aloft, resulting in an environment that is not conducive for any tropical development.

Brrrr....238 degrees below zero

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Astronomers have found the coldest spot in our solar system and it may be a little close for comfort. It's on our moon, right nearby.

Space junk like hovering mosquitoes

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Orbital debris, or space junk, is any man-made object in orbit around the Earth that no longer serves a useful purpose.

Space junk can be bad news for an orbiting satellite. On February 11, 2009, a U.S. communications satellite owned by a private company called Iridium collided with a non-functioning Russian satellite.

8 month long lightning storm a record breaker

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A powerful lightning storm in Saturn's atmosphere that began in mid-January 2009 has become the Solar System's longest continuously observed thunderstorm. It broke the record duration of 7.5 months set by another thunderstorm observed on Saturn by NASA's Cassini spacecraft between November 2007 and July 2008.

International: 9/11 weather forecast

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A rain storm on the East Coast is producing plenty of rain from New Jersey to southern New England for this morning's 9/11 remembrance ceremonies.

Weather Computer: 69.7 trillion calculations/second

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Recently we ran a story about NIWA's new supercomputer - but here's a weather computer that's more than twice as fast - processing an unbelievable 69.7 trillion calculations per second.  America's National Oceanic and Atmospheric Administration (NOAA) ) (America's version of "NIWA") has completed implementation of the final phase of a nine year, $180 million contract by installing the newest generation of IBM supercomputers for weather and climate prediction.

Hurricane Fred now a major hurricane

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The second hurricane of the Atlantic season formed yesterday afternoon NZT and this morning Hurricane Fred rapidly strengthened into a Category three storm with with winds averaging 185km/h.

Tropical Storms Fred & Linda

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Tropical Storm Fred has strengthened today and as of 11 am ET top winds were near 115kmh. Fred is located southwest of the Cape Verde Islands in the far eastern Atlantic Ocean. It is moving west at 30km/h and additional strengthening is likely.

Fred has the potential to become a hurricane later today or Wednesday.

Fred is not expected to threaten any land masses.

What's happening in the tropics?

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The Atlantic Hurricane season was late to form then quickly burst in to life...but almost as fast as it began, it seems to have abruptly stopped.

For several days now lows have been forming off the coast of Africa but have fizzled completely before turning into a tropical storm.