Tag Archive | SPACEWEATHER: Geomagnetic Storms

VERY STRONG GEOMAGNETIC STORM: Multiple CMEs hit Earth over the weekend, sparking an ongoing geomagnetic storm. Storm levels are currently fluctuating between strong (G3) and severe (G4). This plot from NOAA shows the progress of the storm so far:

NOTE: These were triggered by back-to-back 1.1 and 1.7 X-Class solar flares. The large earth-facing sunspot is part of a system that produced an X-Class 14 flare last week from the farside. Continue reading →

SPACEWEATHER: Geomagnetic Storms, NLC’s, and Potential for Solar Flares

Jun28

Noctilucent clouds (NLCs) – Best NLCs Since 2009 Solar Minimum Spectacle! Taken by Martin McKenna on June 26, 2024 @ Lough Fea, N. Ireland (Spaceweather.com Image Gallery)

SPACEWEATHER.COM NEWS: JUNE 28, 2024

NLCs ARE NOT BEHAVING AS EXPECTED: When northern summer began, the forecast called for few noctilucent clouds (NLCs). Frosted wisps of meteor smoke tend to melt away during years of high solar activity–and solar activity has been very high in 2024. Yet…

“This week’s NLC display not only blew me away, but I would consider it within the top two displays I’ve ever seen in my life,” reports longtime observer Martin McKenna, who took this picture on June 26th from N. Ireland:

Continue reading →