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Friday, the Sun exploded with energy from its largest sunspot in years, launching a coronal mass ejection (CME) into space and towards Earth. The wave of charged particles from the Sun is now expected to impact Earth's upper atmosphere sometime tomorrow, which can have both positive and negative results for us here on Earth
Originally posted by purplemer
Friday, the Sun exploded with energy from its largest sunspot in years
The roughly estimated expected range of the Kp index is 2-4 (minor).
The geomagnetic field is expected to be at quiet to unsettled levels with a chance for active periods on day one (14 May), as a CME, observed leaving the solar disk on 12 May, is forecasted to become geoeffective.
Most of the mass of this CME event is expected to miss Earth,
it could reach us in the day on May 15, 2012, causing a small magnetic storm and some northern lights. U.S. sites spaceweather.com, noaa.gov (swpc.noaa.gov), nasa.gov (nasa.gov/mission_pages/sunearth), and the French sites Infos DX (infosdx.ref-union.org), suivi-soleil.com, Météo Vars (meteo16-vars.com/wxspace.php), among others, will provide further more detailed information.
Originally posted by wishful1gnorance
How close is that data produced to Earth? I'm not familiar with the technology, is this something they are observing from a faraway distance, or is it something they can only produce as it nears Earth?
Originally posted by truthseeker1984
The meteorologist on the local Buffalo, NY news station talked about this CME last week during the weather brief. He was telling people that it had the potential to disrupt comsat communications and possibly affect GPS tracking (and for some reason he mentioned the CME that happened in the 1850's or 60's that fried telegraph lines). Is this still a possibility, or has the data changed since then?