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WWV Geophysical Alert Message - NOAA Space Weather Prediction Center


Issued: 2017 Mar 29 0305 UTC

Solar-terrestrial indices for 28 March follow.
Solar flux 84 and estimated planetary A-index 28.
The estimated planetary K-index at 0300 UTC on 29 March was 4.

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 moderate.
Geomagnetic storms reaching the G2 level are likely.

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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.

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The Solar Terrestrial Activity Report from Jan Alvestad; valuable propagation resource with solar flux, sunspot number, planetary A index, CMEs and coronal holes.

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