After days of suspenseful quiet, huge sunspot AR2665 finally erupted on July 14th (0209 UT), producing a powerful M2-class solar flare. 44 more words
Tags » Solar Storms
Spewing a stream of solar wind as fast as 700 km/s (1.6 million mph), a hole in the sun’s atmosphere is turning toward Earth.
Forecasters expect the stream to reach our planet on June 15th or 16th with a 40% chance of minor G1-class geomagnetic storms when it arrives. 36 more words
NOAA’s Space Weather Prediction Center (SWPC) says a minor (G1) geomagnetic storm watch remains in effect for April 24-26, due to the continued influence of a large, recurrent, negative-polarity coronal hole high-speed stream (CH HSS). 220 more words
Space Weather Message Code: WATA30 Serial Number: 150 Issue Time: 2017 Mar 25 1515 UTC WATCH: Geomagnetic Storm Category G2 Predicted Highest Storm Level Predicted by Day: Mar 26: None (Below G1) Mar 27: G1 (Minor) Mar 28: G2 (Moderate) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. 63 more words