Subj : NOAA Geophysical Alert Message To : all From : NOAA WWV poster Date : Fri Apr 20 2018 02:16:08 :Product: Geophysical Alert Message wwv.txt :Issued: 2018 Apr 20 0605 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 19 April follow. Solar flux 71 and estimated planetary A-index 3. The estimated planetary K-index at 0600 UTC on 20 April was 5. 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 expected. * Origin: (1:3634/12) .