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  2. Northern lights could be visible again in the US as another ...

    www.aol.com/northern-lights-could-visible-again...

    A minor geomagnetic storm is projected to impact Earth on Saturday and Sunday following the effects of a recent coronal mass ejection: plasma and magnetic field that is expelled from the sun.

  3. ☀️ What is a geomagnetic storm? - AOL

    www.aol.com/news/northern-lights-could-visible...

    There are five geomagnetic storm categories, ranging from G1 (minor) to G5 (extreme). According to NOAA, a category G4 (severe) storm, like the one that’s forecast for this weekend, can cause ...

  4. The aurora could be visible as far south as New York ... - AOL

    www.aol.com/news/aurora-could-visible-far-south...

    Strong geomagnetic storms send the lights farther south. The aurora could be visible as far south as New York, Wisconsin, and Washington state on Monday, thanks to a geomagnetic storm Skip to main ...

  5. K-index - Wikipedia

    en.wikipedia.org/wiki/K-index

    The official planetary K p-index is derived by calculating a weighted average of K-indices from a network of 13 geomagnetic observatories at mid-latitude locations.Since these observatories do not report their data in real-time, various operations centers around the globe estimate the index based on data available from their local network of observatories.

  6. Geomagnetic storm - Wikipedia

    en.wikipedia.org/wiki/Geomagnetic_storm

    A geomagnetic storm, also known as a magnetic storm, is a temporary disturbance of the Earth's magnetosphere caused by a solar wind shock wave. The disturbance that drives the magnetic storm may be a solar coronal mass ejection (CME) or (much less severely) a corotating interaction region (CIR), a high-speed stream of solar wind originating ...

  7. SuperDARN - Wikipedia

    en.wikipedia.org/wiki/Super_Dual_Auroral_Radar...

    SuperDARN radars are primarily used to map high-latitude plasma convection in the F region of the ionosphere, but the radars are also used to study a wider range of geospace phenomena including field aligned currents, magnetic reconnection, geomagnetic storms and substorms, magnetospheric MHD waves, mesospheric winds via meteor ionization ...

  8. Aurora borealis in NJ this weekend: NOAA issues severe level ...

    www.aol.com/aurora-borealis-nj-weekend-noaa...

    The U.S. is under a severe geomagnetic storm watch after the sun began erupting large amounts of solar matter Wednesday, NOAA's Space Weather Prediction Center said in an advisory.

  9. Storm Prediction Center - Wikipedia

    en.wikipedia.org/wiki/Storm_Prediction_Center

    The Storm Prediction Center (SPC) is a US government agency that is part of the National Centers for Environmental Prediction (NCEP), operating under the control of the National Weather Service (NWS), [1] which in turn is part of the National Oceanic and Atmospheric Administration (NOAA) of the United States Department of Commerce (DoC).