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Sunday, 7 August 2011

Solar Storm Warning

March 10, 2006: It's official: Solar minimum has arrived. Sunspots have all but vanished. Solar flares are nonexistent. The sun is utterly quiet.
Like the quiet before a storm.
This week researchers announced that a storm is coming--the most intense solar maximum in fifty years. The prediction comes from a team led by Mausumi Dikpati of the National Center for Atmospheric Research (NCAR). "The next sunspot cycle will be 30% to 50% stronger than the previous one," she says. If correct, the years ahead could produce a burst of solar activity second only to the historic Solar Max of 1958.
That was a solar maximum. The Space Age was just beginning: Sputnik was launched in Oct. 1957 and Explorer 1 (the first US satellite) in Jan. 1958. In 1958 you couldn't tell that a solar storm was underway by looking at the bars on your cell phone; cell phones didn't exist. Even so, people knew something big was happening when Northern Lights were sighted three times in Mexico. A similar maximum now would be noticed by its effect on cell phones, GPS, weather satellites and many other modern technologies.
Right: Intense auroras over Fairbanks, Alaska, in 1958

NASA Events

NASA Events

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NASA sees Tropical Storm 04W's thunderstorms grow quickly

This TRMM satellite 3-D image shows that some thunderstorm towers near TSO4W's center of circulation were punching up to heights of over 16 km (~9.9 miles) above the ocean's surface. Credit: Credit: NASA/SSAI, Hal Pierce


Tropical Storm 04W formed from the low pressure System 98W this morning in the northwestern Pacific. NASA's Tropical Rainfall Measuring Mission (TRMM) satellite watched the towering thunderstorms in the center of the tropical storm grow to almost 10 miles (16 km) high as it powered up quickly.