Issued: 2014 Oct 19 1200 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# # Geophysical Alert Message # Solar-terrestrial indices for 18 October follow.
Solar flux 160 and estimated planetary A-index 15. The estimated planetary K-index at 1200 UTC on 19 October was 3.
Space weather for the past 24 hours has been strong. Radio blackouts reaching the R3 level occurred.
Space weather for the next 24 hours is predicted to be minor. Radio blackouts reaching the R1 level are likely.
Editor's note:
Increased risk of significant earthquakes, volcanic activity and severe weather the next 7-10 days.
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