Subj : NOAA Geophysical Alert Message To : all From : NOAA WWV poster Date : Sat Oct 21 2017 17:15:44 :Product: Geophysical Alert Message wwv.txt :Issued: 2017 Oct 21 2105 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 21 October follow. Solar flux 77 and estimated planetary A-index 10. The estimated planetary K-index at 2100 UTC on 21 October was 3. Space weather for the past 24 hours has been minor. Radio blackouts reaching the R1 level occurred. No space weather storms are predicted for the next 24 hours. * Origin: (1:3634/12) .