:Product: Geophysical Alert Message wwv.txt :Issued: 2024 Apr 25 1805 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 April follow. Solar flux 199 and mid-latitude A-index 4. The mid-latitude K-index at 1800 UTC on 25 April was 1 (5 nT). Space weather for the past 24 hours has been minor. Radio blackouts reaching the R1 level occurred. Space weather for the next 24 hours is predicted to be minor. Radio blackouts reaching the R1 level are expected.