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Posted: 10:04 a.m. Sunday, Nov. 6, 2011
By Kirk Mellish
I am a meteorologist and not an astronomer. Things that happen in space: stars and planets, asteroids and shooting stars etc. are not weather because they are outside earths atmosphere and therefore are not meteorology. I only pay attention to the sun because of its obvious role in weather. But I do not monitor it for the Northern Lights, there are web sites for this if it is of interest to you. But I would love to see the Northern Lights and am sorry I was asleep when the recent rare Aurora was seen here in the south. So with that in mind here is a one time alert for you skywatchers of the night, (by the way I can't find any credible research linking sun and earthquakes):
NASA's Solar Dynamics Observatory has found an enormous sunspot they estimate is nearly three times larger than earth. SDO first spotted the nearly 25,000 miles wide sunspot Nov 3rd. NASA says that the largest possible solar flares or X-class flare are possible with this sunspot. Even amateur astronomers with solar telescopes should be able to spot the sunspot themselves if they look for it over the next few days.
Sunspot AR1339 is expected to produce some tremendous solar flares or large explosions on the surface of the sun. Flares produce CME's or Coronal Mass Ejections. These huge storms of charged particles then hurtle off the sun's surface, swept away on the solar wind out into surrounding outer space. If the sun has spun into the right position, those particles can intercept the upper levels of our atmosphere to produce The Northern Lights or Aurora Borealis.
The most recent flare was not directed toward earth but future flares could be. It is difficult to predict the appearance of The Northern Lights but you can sign up for twitter alerts that may give you a heads up: http://www.softservenews.com/Aurora.htm. In the meantime, keep your eyes to the sky the next several nights.
Our sun has entered stormiest phase in 7 years; monster active region being monitored, could become "earth-facing" this week increasing chance for new auroral displays:
The inactivity on the sun in recent years is over--at least for now and the forseeable future. The sun has grown more active than at any point since 2005 according to NOAA's Space Prediction Center.
A mammoth active area on the sun's surface, said to be as large as 17 earths put together, may rotate into an orientation which allows it to send a shower of charged particles earthward in the next 5 days, possibly reinvigorating Northern Lights displays!
Try these sites for more information: http://www.swpc.noaa.gov/index.html and http://spaceweather.com/
Kirk Mellish is Atlanta's first and only full-time radio meteorologist. He's also the FIRST broadcast meteorologist in Georgia and the Southeast to earn the American Meteorological Society's new Certified Broadcast Meteorologist (CBM) designation.
Send Kirk Mellish an email.