:Product: Geophysical Alert Message wwv.txt :Issued: 2024 Sep 13 0005 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 12 September follow. Solar flux 201 and estimated planetary A-index 67. The estimated planetary K-index at 0000 UTC on 13 September was 4.67. Space weather for the past 24 hours has been strong. Geomagnetic storms reaching the G3 level occurred. Radio blackouts reaching the R3 level occurred. Space weather for the next 24 hours is predicted to be moderate. Geomagnetic storms reaching the G2 level are expected. Radio blackouts reaching the R2 level are likely.