Auroral activity is best seen between 10 p.m. and 2 a.m. local time while at a high vantage point away from light pollution, ...

NOAA classifies geomagnetic storms on a scale of G1 (minor ... The upcoming CME was ejected from sunspot region 3901 at the same time as a powerful M9.4-class solar flare. "A CME associated ...

NOAA classifies geomagnetic storms using a G-scale, which ranks their intensity from G1 (minor) to G5 (extreme). The recent geomagnetic storm watch NOAA issued is rated as a G1. Auroras occur when ...

"A geomagnetic storm began on the Earth on Saturday evening. After 6:00 p.m. [Moscow time, 3:00 p.m. GMT] <…> it was consistent with the moderate G1 magnetic storm. Disturbances in the ...

It has reached G5 in two three-hour periods in a row, from 12 a.m. to 6 a.m. Moscow time," the institute said. The extreme level of a geomagnetic storm on Earth may trigger damage to energy systems.

Solar storms are rated by NOAA’s Space Weather Prediction Center (SWPC) on a five-level scale, with five being the most extreme and rarest space weather conditions. Level 4 out of 5, or "severe," ...