![]() That could trigger waves of northern lights across the Upper Midwest Saturday evening. Just as solar scientists were starting to breathe normally again, active sunspot region 10486 released yet another massive flare - but this one is bigger. NOAA expects the wave to arrive Saturday night. ![]() NOAA's Space Weather Prediction Center is the official source for space weather forecasts, watches, warnings and alerts. However, a G3 storm has the potential to drive the aurora further away from its normal polar residence and if other factors come together, the aurora might be seen over the far Northeast, to the upper Midwest, and over the state of Washington.įor additional information about space weather, geomagnetic storms, aurora and viewing tips, and CMEs – click the terms. Impacts to our technology from a G3 storm are generally nominal. When the CME approaches Earth, NOAA’s DSCOVR satellite will be among the first spacecraft to detect the real time solar wind changes and SWPC forecasters will issue any appropriate warnings. ![]() Analysis indicated the CME departed the Sun at a speed of 973 km/s and is forecast to arrive at Earth on 30 October, with effects likely continuing into 31 October. ![]() GEOMAGNETIC STORM WATCH IS IN EFFECT FOR 30-31 OCT.Ī G3 (Strong) Geomagnetic Storm Watch is in effect for 30 – 31 October, 2021, following a significant solar flare and Coronal Mass Ejection (CME) from the sun that occurred around 11:35 a.m. ![]()
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