Subj : NOAA Geophysical Alert Message To : all From : NOAA WWV poster Date : Thu Dec 21 2017 07:15:40 :Product: Geophysical Alert Message wwv.txt :Issued: 2017 Dec 21 1205 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 5. The estimated planetary K-index at 1200 UTC on 21 December 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) .