:Product: Geophysical Alert Message wwv.txt :Issued: 2023 Mar 24 2105 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Please send comments and suggestions to SWPC.Webmaster@noaa.gov # 3-hourly messages issued this UT day. # # Geophysical Alert Message # #----------------------------------------------------------------- Solar-terrestrial indices for 24 March follow. Solar flux 158 and mid-latitude A-index 66. The mid-latitude K-index at 2100 UTC on 24 March was 4 (40 nT).67. Space weather for the past 24 hours has been severe. Geomagnetic storms reaching the G4 level occurred. Space weather for the next 24 hours is predicted to be moderate. Geomagnetic storms reaching the G2 level are likely.