Look to the north about an hour after sunset for a green glow near the horizon. The latest NOAA's Space Weather Prediction Center forcast has the greatest effects of this geomagnetic storm to arrive between 7 p.m. Observations from NASA's Solar Terrestrial Relations Observatory (STEREO) show this CME is traveling at about 800 km/sec which would put its arrival late Saturday night into Sunday morning.Īurora activity is to be most visible from the Pacific Northwest, across the Upper Midwest, through New York and New England, visible low on the horizon as far south as Northern California, Oklahoma, Tennessee and North Carolina. While it takes sunlight about 500 seconds to reach Earth, CMEs travel much slower, taking several days to arrive. The stronger the solar storm, the deeper those charged particles make their way into that doughnut, the more likely those in lower latitudes, like here in Raleigh, are to see aurora. This is forecasted to bring higher auroral activity deeper into the continental United States.Īs those charged particles arrive, they will follow the magnetic lines of the magnetosphere, which surrounds the Earth like a doughnut, funneling that energy down at the poles. That sunspot was facing Earth, promoting NOAA's Space Weather Prediction Center to issue a G3 (strong) Geomagnetic Storm Watch on Friday. This happened as magnetic fields above a sunspot twisted to the breaking point, hurling several billion tons of electrically charged gas out into space. The Sun released a coronal mass ejections (CME), a sudden burst of energy, on Thursday morning.
0 kommentar(er)
