SPACEWEATHER.COM NEWS: 03/19/2026
NOW THERE ARE *TWO* CMEs: NOAA’s latest forecast model (above) predicts two CME impacts this week–the first on March 19th and the second on March 21st. The timing of this double-blow is perfect for amplification by the “Russell-McPherron effect, which boosts storms that happen around the vernal equinox. Moderately-strong G2-class geomagnetic storms are possible every day for the rest of this week.
SPACEWEATHER.COM NEWS: 02/21/2025
SOLAR MAX — IS A SECOND PEAK COMING? Last October, NOAA and NASA announced that Solar Max has arrived. Only half the sun got the memo. The majority of solar activity has been happening in just one of the sun’s hemispheres–the south. The solar superstorm of May 10, 2024, for instance, was caused by a monster southern sunspot.
It makes you wonder, is the other half of Solar Max still coming? This (above) plot of hemispheric sunspot numbers from SILSO provides some context:
Lately, the news of asteroid 2024 YR4 predicted to hit Earth has blasted the Internet. No wonder: it has become one of the most dangerous near-Earth objects in the last 20 years. Since the asteroid’s discovery, the risk of a collision has been rapidly increasing and has now tripled, reaching an alarming 3.1%.
