|LWCA Solar Activity Page|
WWV Geophysical Alert Message - NOAA Space Weather Prediction Center
NOAA updates this message every 3 hours; more often for alerts.
|3-Day Forecast - Text||Alert System Terminology|
Additional info at The SWPC Radio Dashboard from NOAA.*
Detailed explanation of the R, S, and G Scales used by NOAA in their predictions.
*Next time NOAA moves their blessed Radio Dashboard, search their Not Found page for a new Dashboards link.
Grayline & MUF World Map Updates every 5 minutes; x-ray absorption contours when applicable.
Blitzortung Live Lightning Map Real-time strike data.
Vaisala Lightning Tracker Delayed cumulative info.
The Solar Terrestrial Activity Report from Jan Alvestad; valuable propagation resource with solar flux, sunspot number, planetary A index, CMEs and coronal holes.
SpaceWeather.com tracks daily events on the Sun, the solar wind, meteor rates, NASA forecasts, and other astronomical phenomena.
1994 visits since last reset 1 January 2020.