Tad Cook’s (K7RA) Weekly Solar Report

Latest EUVI Images

Solar Terrestrial Relations Observatory (STEREO)

What is the story with the STEREO “Behind” spacecraft?


Latest 3-day Forecast

Sunspot/Flux Chart
This chart is based on
daily sunspot and solar flux numbers
reported by NOAA. It is updated once
per day.

The data in this chart reflects the past six months.

NOAA Geophysical Alert Chart
This chart is based on the
NOAA Geophysical Alert Message
(updated every three hours). Included are
the Solar Flux, K-Index, and A-Index numbers for the past six months. This
chart is updated every three hours (at 15 minutes past the hour), along with
the text report at the top of this page.

For more information about these numbers, and what they mean, see the links at
the bottom of this page.



Other information