The northern lights could be seen from parts of the United States tomorrow, including states as far south as Iowa, New York and Wyoming.
According to forecasters from the National Oceanic and Atmospheric Administration (NOAA), a coronal mass ejection (CME) will graze the Earth on March 4, potentially causing a G1-class geomagnetic storm.
A CME is a solar event described as “a billion tons of plasma ejected from the sun, traveling at a million miles per hour,” explains NOAA.
“When a CME arrives at Earth, it can produce some of the biggest geomagnetic storms and thus, some of the brightest and most active auroras that extend furthest toward the equator.”
Geomagnetic storms are classified by NOAA on a scale of G1 (minor) to G5 (extreme), with G5 being the most powerful and least common.
According to …