Category Archives: Spaceweather

March solar activity, down slightly, still lower than last solar cycle 23

The solar data from the NOAA Space Weather prediction center has been posted, and like the global temperature, there isn’t much change. Sunspot numbers are down slightly, but still up from most of 2012/2013. The double peak looks more prominent. … Continue reading

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Posted in Solar, Spaceweather | 160 Comments

Strongest X class solar flare since March 2012

From NOAA Space Weather Prediction Center and Strong Solar Flare Radio Blackout Newly numbered Region 1990 (the return of old Region 1967), just now rotating into view, produced an R3 (Strong) Solar Flare Radio Blackout at 0049 UTC on … Continue reading

Posted in Solar, solar flare, Spaceweather | 25 Comments

The Solar storm has arrived – initial impact weaker than expected

From NASA: Spaceweather: As expected, a CME hit Earth’s magnetic field on Jan. 9th (around 20:00 UTC or 3 p.m. EST). Although the initial impact was weaker than expected, geomagnetic storms could still develop as Earth passes through the CME’s … Continue reading

Posted in solar flare, Spaceweather | 57 Comments

X class solar flare ejection may hit Earth with solar storm

From the WUWT Solar Reference page, an X 1.2 event has occurred: From NASA Spaceweather: Giant sunspot AR1944 erupted on Jan 7th at approximately 1832 UT, producing a powerful X1-class solar flare. First-look coronagraph images from the STEREO-Ahead spacecraft appear … Continue reading

Posted in Solar, solar flare, Spaceweather | 104 Comments

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 pointing nearly strait at Earth. AR1890 has already produced a … Continue reading

Posted in Solar, solar flare, Spaceweather | Tagged , , , | 78 Comments

NASA on the sun: ‘…tiny variations can have a significant effect on terrestrial climate.”

Researchers have considered the possibility that the sun plays a role in global warming. From NASA GSFC:  Solar Variability and Terrestrial Climate In the galactic scheme of things, the Sun is a remarkably constant star.  While some stars exhibit dramatic … Continue reading

Posted in Solar, Spaceweather | Tagged , , , , , , , | 320 Comments

New study finds that a Carrington class solar event could cause global cooling of more than 3C

A paper recently published in Atmospheric Chemistry and Physics finds that “a solar proton event, if it took place in the near future with an intensity similar to that ascribed to the Carrington Event of 1859″. Based on the results … Continue reading

Posted in Solar, solar flare, Spaceweather | Tagged , , , , , , | 132 Comments

‘Doppler radar’ for solar storm detection

Rice researcher part of team that used Doppler shifts to ID phenomenon; may help predict space weather  HOUSTON – (July 2, 2012) – Doppler measurements that help track storms on Earth may also be useful for understanding storms on the … Continue reading

Posted in solar flare, Spaceweather | Tagged , , , , , , , | 34 Comments

The Sun has changed its character

Guest post by David Archibald A number of solar parameters are weak, and none is weaker than the Ap Index: Figure 1: Ap Index 1932 to 2026 Figure 1 shows the Ap Index from 1932 with a projection to the … Continue reading

Posted in Solar, Spaceweather | Tagged , , , , , , , | 176 Comments

White House gets serious about space weather

From EOS,  Vol. 93, No. 25, 19 June 2012 White House and Agencies Focus on Space Weather Concerns “Space weather is a serious matter that can affect human economies around the world,” Tamara Dickinson, a senior policy analyst with the … Continue reading

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NASA June 2012 Solar Cycle 24 Prediction

Compiled by Joe D’aleo WeatherBell via NASA MSFC The current prediction for Sunspot Cycle 24 gives a smoothed sunspot number maximum of about 60 in the Spring of 2013. We are currently over three years into Cycle 24. The current … Continue reading

Posted in Solar, Spaceweather | Tagged , , , , , , , | 83 Comments

Giant Veil of “Cold Plasma” Discovered High Above Earth

From National Geographic: Clouds of charged particles stretch a quarter the way to the moon, experts say. Clouds of “cold plasma” reach from the top of Earth’s atmosphere to at least a quarter the distance to the moon, according to … Continue reading

Posted in Announcements, Spaceweather, Uncategorized | Tagged , , , , | 57 Comments

Aurora in Michigan last night – great time lapse video

As I mentioned on my post yesterday, low latitude aurora could be possible thanks to the CME that impacted Earth yesterday. Here’s a wonderful time lapse video from Michigan last night showing the Aurora Borealis in stunning color and clarity.

Posted in Spaceweather | 16 Comments

Big CME hits earth, low latitude auroras possible

From the Rice University Spaceweather listserv Our space weather alert system is in level yellow, and the CME input of energy to the Earth’s magnetosphere still continues. So, if you live in northern latitudes, go out and look for auroras … Continue reading

Posted in solar flare, Spaceweather | Tagged , , , | 31 Comments