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WWV Geophysical Alert Message - NOAA Space Weather Prediction Center


Issued: 2017 Apr 27 2105 UTC

Solar-terrestrial indices for 27 April follow.
Solar flux 78 and estimated planetary A-index 8.
The estimated planetary K-index at 2100 UTC on 27 April was 2.

No space weather storms were observed for the past 24 hours.

No space weather storms are predicted for the next 24 hours.

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Additional info at The SWPC Radio Dashboard from NOAA.
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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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