India, March 22 -- The National Oceanic and Atmospheric Administration (NOAA) on Friday issued a fresh alert for a G3 geomagnetic storm over the weekend. The agency added that solar activity hit moderate levels with a notable flare from Region 4028, a sunspot group, sparking an M1.2 flare. The storm is expected to bring northern lights to several regions in the northern hemisphere - covering most of Canada and the United States.

The NOAA said that the flare came with a radio burst moving at 334 km/s. Earlier in the day, the NWS Space Weather Prediction Center had issued a warning about a G2 storm.

Geomagnetic storms are ranked G1 to G5. A G2 (Moderate, Kp 6) storm brings weak power fluctuations, minor satellite issues, and auroras at hi...