738 FOUS04 KWNP 312306 3HRCON :Product: 3-hourly Space Weather Conditions and Forecast :Issued: 2024 May 31 2305 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # Product description and SWPC contact on the Web # http://www.swpc.noaa.gov/wwire.html # # 3-hourly Space Weather Conditions and Forecast # Solar-terrestrial indices for 31 May follow. Solar flux 179 and estimated planetary A-index 20. The estimated planetary K-index at 2100 UTC on 31 May was 1.67. Space weather for the past 24 hours has been strong. Geomagnetic storms reaching the G1 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 likely. Radio blackouts reaching the R2 level are expected.