Subj : NOAA Geophysical Alert Message To : all From : NOAA WWV poster Date : Wed Dec 20 2017 16:15:42 :Product: Geophysical Alert Message wwv.txt :Issued: 2017 Dec 20 2105 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 20 December follow. Solar flux 74 and estimated planetary A-index 6. The estimated planetary K-index at 2100 UTC on 20 December was 2. No space weather storms were observed for the past 24 hours. No space weather storms are predicted for the next 24 hours. * Origin: (1:3634/12) .