Subj : NOAA Geophysical Alert Message To : all From : NOAA WWV poster Date : Sun Dec 17 2017 14:15:46 :Product: Geophysical Alert Message wwv.txt :Issued: 2017 Dec 17 1805 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 16 December follow. Solar flux 71 and estimated planetary A-index 4. The estimated planetary K-index at 1800 UTC on 17 December 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 minor. Geomagnetic storms reaching the G1 level are likely. * Origin: (1:3634/12) .