:Product: Geophysical Alert Message wwv.txt :Issued: 2012 May 18 1505 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 17 May follow. Solar flux 136 and mid-latitude A-index 6. The mid-latitude K-index at 1500 UTC on 18 May was 2 (10 nT). Space weather for the past 24 hours has been minor. Solar radiation storms reaching the S1 level occurred. Space weather for the next 24 hours is predicted to be minor. Solar radiation storms reaching the S1 level are expected.