Cosmic rays are a surprisingly "down to Earth" form of space weather. They can alter the chemistry of the atmosphere, trigger lightning, and penetrate commercial airplanes.

Daily monitoring of solar flares, geomagnetic storms, Earth's aurora, and all forms of space weather.

Nov 1, 2000 · Daily monitoring of solar flares, geomagnetic storms, Earth's aurora, and all forms of space weather.

Current conditions and forecast of solar and geomagnetic storms, prepared by NOAA.

A space radiation storm happens when an explosion on the sun accelerates solar protons toward Earth. These protons stream past our planet where they are (mostly) deflected by Earth's protected …

Coronal Mass Ejections and "Halo Events" back to spaceweather.com Coronal mass ejections (CMEs) are gigantic bubbles of electrified gas that billow away from the Sun. They can carry as much as 10 …

Apr 19, 2025 · Cosmic rays are a surprisingly "down to Earth" form of space weather. They can alter the chemistry of the atmosphere, trigger lightning, and penetrate commercial airplanes.

Radio meteor rates listed under Space Weather Current Conditions on SpaceWeather.com are the maximum number of echoes per hour detected by an array of 88 - 110 MHz observing stations …

In the figure, above, the three indicated flares registered (from left to right) X2, M5, and X6. The X6 flare triggered a radiation storm around Earth nicknamed the Bastille Day event. ... This explanation of …

Spaceweather.com: Dec. 7, 2004, lunar occultation gallery