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WWV Geophysical Alert Message - NOAA Space Weather Prediction Center


Issued: 2016 Dec 10 2105 UTC

Solar-terrestrial indices for 10 December follow.
Solar flux 72 and estimated planetary A-index 19.
The estimated planetary K-index at 2100 UTC on 10 December was 3.

Space weather for the past 24 hours has been minor.
Geomagnetic storms reaching the G1 level occurred.

Space weather for the next 24 hours is predicted to be minor.
Geomagnetic storms reaching the G1 level are likely.

NOAA updates this message every 3 hours; more often for alerts. If it appears incomplete or outdated, click here for alternate version.

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Additional info at The SWPC Radio Dashboard from NOAA.
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Grayline and MUF World Map Updates every 5 minutes; also shows x-ray absorption contours when applicable.

Lightning Tracker Recent electrical storm info from Vaisala.

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.

 

 

 

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