Subj : NOAA Geophysical Alert Message To : all From : NOAA WWV poster Date : Thu May 31 2018 14:15:38 :Product: Geophysical Alert Message wwv.txt :Issued: 2018 May 31 1805 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 30 May follow. Solar flux 75 and estimated planetary A-index 4. The estimated planetary K-index at 1800 UTC on 31 May was 4. No space weather storms were observed for the past 24 hours. Space weather for the next 24 hours is predicted to be minor. Geomagnetic storms reaching the G1 level are likely. * Origin: (1:3634/12) .