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 group AR1890 takes direct aim at earth

May produce a dangerous X-class flare that could directly impact Earth Steve Davidson writes: Right now, today, one of the largest sunspot groups of Cycle 24 – AR1890 – is…

About that almost 'Carrington Event' two weeks ago

Lots of people talking about this article in the UK daily Mail: A near miss for Earth: Solar flare that could have knocked out power, cars and phones came so…

Sun produces four X-class flares in two days

Above: note the four separate events in the last two days – from the WUWT Solar Page (From NASA’s Spaceweather.com) When the week began, the sun hadn’t unleashed an X-flare…

A misinterpreted claim about a NASA press release, CO2, solar flares, and the thermosphere is making the rounds

I loathe having to write this story because I truly dislike giving any attention to the people who are known as the “slayers” from the “Slaying the Sky Dragon” book.…

Modeling the Riddle of the Sun's Explosive CME's

DURHAM, N.H. — Four decades of active research and debate by the solar physics community have failed to bring consensus on what drives the sun’s powerful coronal mass ejections (CMEs)…

Looking into solar coronal prominence cavities

by Karen C. Fox NASA Goddard Space Flight Center, Greenbelt, MD › View larger Scientists want to understand what causes giant explosions in the sun’s atmosphere, the corona, such as…

Still waiting for the CME from the X Class flare

Spaceweather.com writes: (link mine) The CME launched toward Earth by the July 12th X-flare has not yet arrived. However, we are still within the forecast window set by analysts at…

X-Class solar flare blasts CME directly at Earth

Large sunspot Group AR1520, seen below just right of center, was pointed directly at Earth when the flare occurred. The GOES Xray Flux spike hit X 1.4, just barely an…

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…