Science ❯ Astronomy ❯ Space Weather ❯ Coronal Mass Ejections

Auroras

Late CME Arrival Lowers Aurora Forecast to G1–G2 Tonight

NOAA now expects a moderate geomagnetic storm due to the slower‑than‑forecast impact.

NOAA Issues G2 Geomagnetic Storm Watch as March 16 CME Arrives, Expanding Aurora Potential

NOAA Warns of Strong Geomagnetic Storm Tonight as Auroras May Reach Unusually Far South