:Product: Geophysical Alert Message wwv.txt :Issued: 2023 Sep 28 1505 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 27 September follow. Solar flux 156 and estimated planetary A-index 15. The estimated planetary K-index at 1500 UTC on 28 September was 0.67. Space weather for the past 24 hours has been minor. Radio blackouts reaching the R1 level occurred. No space weather storms are predicted for the next 24 hours.