EDT on June 1, 2025, instruments registered a geomagnetic K-index of 8, creeping toward 9, meaning a solar storm has arrived.

Auroras may be visible from Alaska to Pennsylvania as Earth reverberates from the impact of a speedy solar storm.

UPDATE: A tornado watch continues in East Tennessee through 2 a.m. Tornado watches mean conditions show tornadoes are possible, but have not been spotted. Another round of severe thunderstorms moving ...