Solar Tsunami and CME

Posted: August 30, 2021 by oldbrew in Solar physics
Tags:

.

Sunspot AR 2860 is a ‘monster’.

Spaceweather.com

Aug. 27, 2021: Sunspot AR2859 erupted on Aug. 26th, producing a C3-class solar flare: movie. The flare, however, was not the main attraction. The eruption also caused a massive “solar tsunami.” Watch the shadowy wave ripple across the sun in this false-color ultraviolet movie from NASA’s Solar Dynamics Observatory:

The expanding circular shadow is a wave of hot plasma and magnetism. Based on the time it took to reach the next sunspot, halfway around the sun, the tsunami was traveling faster than 110,000 mph.

Solar tsumanis always herald a CME, and this one was no exception. Soon after the tsunami broke, SOHO coronagraphs detected a plasma cloud leaving the sun: movie.

Update: NOAA analysts have modeled the CME’s trajectory. They predict an Earth impact during the late hours of Aug. 29th, possibly sparking G1-class geomagnetic storms through midday on Aug. 30th.   Aurora alerts:SMS Text.

SOLAR…

View original post 134 more words

Comments
  1. oldbrew says:

    AUGUST 30, 2021

    Computer scientist warns global internet is not prepared for a large solar storm
    by Bob Yirka , Tech Xplore

    https://techxplore.com/news/2021-08-scientist-global-internet-large-solar.html

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s