EARTH-DIRECTED SOLAR FLARE AND CME

Jan 27, 2020
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Space Weather News for Oct. 9, 2021

Restless sunspot AR2882 erupted this morning, Oct. 9th (0640 UT), producing a strong M1.6-class solar flare and an Earth-directed CME. NASA's Solar Dynamics captured the extreme ultraviolet flash:

m1flare_red_strip.jpeg
space weather.com

Radiation from the flare ionized the top of Earth's atmosphere. This, in turn, caused a shortwave radio blackout over the Indian Ocean: blackout map. Aviators, ham radio operators, and ships at sea may have noticed strange propagation effects at frequencies below 25 MHz.

blackoutmap.png
Radio blackout area caused by flare's ionization - space weather.com

New images from SOHO confirm that the explosion hurled a CME almost directly toward Earth. This is called a "halo CME" because it appears to completely surround the sun:

cme.jpeg
space weather.com

The storm cloud will probably reach Earth late on Oct. 11th or Oct. 12th, potentially sparking G1 to G2-class geomagnetic storms. A better estimate of the CME's arrival time may emerge from NOAA computer modeling, underway now. Stay tuned for updates. Solar flare alerts: SMS Text.

2882.jpeg
Credit: SDO/HMI

Sunspot AR2882 has a 'beta-gamma' magnetic field that harbors energy for M-class solar flares.

See: https://www.spaceweatheralerts.com

We need to keep an eye on Space Weather on Monday and Tuesday as strong M1.6-class solar flare and a Coronal Mass Ejection (CME) are heading our way. Additionally, HAM and shortwave radio operators, who use frequencies below 25 MHz, can expect strange signal propagations resulting from the huge null centered over the Indian Ocean. Sunspot AR2882 is really acting up!
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