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Originally posted by Phage
reply to post by Maxmars
Solar flares do not produce EMPs. The most powerful solar flare ever recorded occurred on November 4, 2003. It was an X28+. We all remember what a disaster that was.
..
Latest Sun Flare Put at X28, Strongest on Record
By Robert Roy Britt
Senior Science Writer
posted: 05 November 2003
10:01 pm ET
Update, 7:20 A.M. ET, 06 November 2003: NOAA's Space Environment Center (SEC) has classified this flare as an X28, making it in fact the strongest ever recorded. A source told SPACE.com that the SEC is aware other scientists still think the flare was even stronger. The article below remains as it originally appeared. - RRB
[size]A flare released by the Sun on Tuesday could be the most powerful ever witnessed, a monster X-ray eruption twice as strong as anything detected since satellites were capable of spotting them starting in the mid-1970s
The strongest flares on record, in 1989 and 2001, were rated at X20. This one is at least that powerful, scientists say. But because it saturated the X-ray detector aboard NOAA's GOES satellite that monitors the Sun, a full analysis has not been done.
The satellite was blinded for 11 minutes.
Craig DeForest, a solar physicist at the Southwest Research Institute, said others in his field are discussing the possibility that Tuesdays flare was an X40.
"I'd take a stand and say it appears to be about X40 based on extrapolation of the X-ray flux into the saturated period," DeForest told SPACE.com.
That estimate may even be conservative, he said.
The flare leapt from a sunspot that is rotating off the visible face of the Sun, so its effects were not directed squarely at Earth. Nonetheless, a radio blackout occurred at many wavelengths as the storm's initial radiation arrived just minutes after the eruption. Radio blackouts are ranked from R1 to R5 by NOAA's Space Environment Center, the space counterpart to the National Weather Service.
None of your sources (the scientists) say that they Believe the Earth will be hit with unprecedented levels of magnetic energy in 2013.
Sorry, I'm trying to link to his quote, back a couple pages, but I don't know how....
Originally posted by TrueBrit
"...Car batteries for example will probably not fare too well , and neither will things like generators (unless they happen to be a fair bit below ground, and not attatched to a shorting electrical grid)...."
Could a massive solar flare destroy Earth? If the flare happened on the side of the Sun directly facing the Earth, the ozone layer would be destroyed completely and a huge amount of energy would be added to the upper atmosphere causing it to expand into space. Many satellites in Low Earth Orbit would re-enter the atmosphere, and most of the other satellites would be damaged by the huge increase in radiation exposure. Astronauts working in space would be instantly killed. Airline passengers might receive as much radiation exposure in a few hours as the normally would on the surface of earth for one or more years.
Originally posted by Phage
reply to post by Maxmars
Solar flares do not produce EMPs. The most powerful solar flare ever recorded occurred on November 4, 2003. It was an X28+. We all remember what a disaster that was.
Solar flares can cause problems for communications but other than that they have no effect on Earth's surface. They can cause problems for satellites but they have no effect on Earth's surface.
spaceweather.com...
edit on 9/27/2011 by Phage because: (no reason given)
November 1, 1903 - Telegraph systems of Western Union were affected from 2:00AM to afternoon. This was identified as most severe storm since 1888 according to Chief Electrician for WU. Transatlantic cables were also affected. Marconni Wireless Telegraph Company said they were not affected at all. [New York Times, November 2, 1903, p. 7]. Magnetic storm seen in France, Switzerland but not Austria, Italy or Denmark. But Swiss streetcars were disabled when power went out. Aurora seen in Ireland and Scotland. Sir Oliver Lodge and Norman Lockyer attributed the event to sunspots, which were also blamed for unusual wet weather. [New York Times, November 2, 1903 p.1]. Aurora borealis puts telegraph companies out of business [New York Times, November 1, 1903, p. 3]. Spots on the sun cause trouble: Strange phenomenon in France and Switzerland [New York Times, November 2, 1903 p.7]. Electric waves sweep the world: Mysterious pulsations of energy rain down from the North Pole. [New York Times, November 1, 1903 p.8]. Electrical disturbances due to spots on the sun [New York Times, November 8, 1903 p. A45]. Aurora borealis paralizes wires [New York Times, November 1, 1903 p. 2]
Originally posted by Phage
reply to post by Freedom_is_Slavery
I'm not sure what the cause is but it happens occasionally.