Subj : NOAA Geophysical Alert Message To : all From : NOAA WWV poster Date : Sat Apr 21 2018 20:15:38 :Product: Geophysical Alert Message wwv.txt :Issued: 2018 Apr 22 0010 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 21 April follow. Solar flux 77 and estimated planetary A-index 12. The estimated planetary K-index at 0000 UTC on 22 April was 1. 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) .