Mapping a Magnetic Superstorm: March 1989 Geoelectric Hazards and Impacts on United States Power Systems

Geomagnetically induced currents realized during the magnetic storm of March 1989 caused a blackout in Québec, Canada, and, in the Mid-Atlantic and Northeast United States, they caused operational interference for…

A New Space Instrument Captures Its First Solar Eruption

Solar Orbiter has already taken the closest picture of the Sun to date, and it will only get closer. Solar Orbiter’s official mission begins in November, when SoloHI and the…

Two weeks in the life of a sunspot

Public Release: 4-Aug-2017 From Eurekalert                NASA/Goddard Space Flight Center VIDEO: On July 5, 2017, the Solar Dynamics Observatory watched an active region — an area of intense and complex magnetic…

Leif Svalgaard at AGU on the Current Solar Cycle: ‘None of us alive have ever seen such a weak cycle’

WUWT’s resident solar expert Dr. Leif Svalgaard (and others) says  ‘None of us alive have ever seen such a weak cycle’  and the panel he was on talk about the…

Sunspot AR1476 takes aim on Earth

From Spaceweather.com NOAA forecasters estimate a 75% chance of M-class solar flares and a 20% chance of X-flares during the next 24 hours. Any eruptions are likely to be geoeffective…

Whole lotta watts added to the atmosphere

I loved the way James Russell described CO2 molecules as “natural thermostats” Solar Storm Dumps Gigawatts into Earth’s Upper Atmosphere A recent flurry of eruptions on the sun did more…

Major x class solar flare

Blogging from my phone Check WUWT Solar Reference Page Updated: It was an X1.7 class eruption,  it does not appear to be headed towards Earth. JTF

Biggest solar storm since 2005

It is being called by WaPo “The Biggest solar storm since 2005“. The sun erupted late on January 22nd, 2012 with an M8.7 class flare. The Solar Dynamics Observatory captured…