‘𝕊𝕖𝕧𝕖𝕣𝕖’ (𝔾𝟜) 𝕘𝕖𝕠𝕞𝕒𝕘𝕟𝕖𝕥𝕚𝕔 𝕤𝕠𝕝𝕒𝕣 𝕤𝕥𝕠𝕣𝕞 𝕨𝕒𝕥𝕔𝕙 𝕥𝕣𝕚𝕘𝕘𝕖𝕣𝕖𝕕 𝕗𝕠𝕣 𝕗𝕚𝕣𝕤𝕥 𝕥𝕚𝕞𝕖 𝕚𝕟 𝕟𝕖𝕒𝕣𝕝𝕪 𝟚𝟘 𝕪𝕖𝕒𝕣𝕤.

This alert, issued by the National Oceanic and Atmospheric Administration (NOAA) on Thursday, marks the first of its kind since 2005. The alert was prompted by the observation of at least five “earth-directed coronal mass ejections,” anticipated to reach Earth as early as today and persist until Sunday.

BREAKING: World told to brace for severe G4 geomagnetic solar storm – the first in nearly 20 years – and it could disrupt GPS satellites and power gridshttps://t.co/EV6Hjqn2wF

— Insider Paper (@TheInsiderPaper) May 10, 2024

Large sunspot groups and strong solar flares led to the issuance of SWPC's first G4 Watch since 2005… pic.twitter.com/oi55cTPXhP

— NOAA Space Weather Prediction Center (@NWSSWPC) May 9, 2024

Satellites and spacecraft can face significant navigation and communications issues since signal quality can be degraded.

Power grid fluctuations can occur, which can lead to transformer damages or blackouts in extreme scenarios.

High-frequency radio communications can be blocked, especially in the polar regions.

It can produce a visible aurora at lower-than-usual latitudes.

𝔼𝕤𝕔𝕒𝕡𝕖

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