Organización Europea de Radioaficionados

0.67

4

LINISTIT

111

:Product: Geophysical Alert Message wwv.txt :Issued: 2026 Mar 18 1805 UTC # Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center # # Geophysical Alert Message # Solar-terrestrial indices for 17 March follow. Solar flux 111 and estimated planetary A-index 4. The estimated planetary K-index at 1800 UTC on 18 March was 0.67. 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 moderate. Geomagnetic storms reaching the G2 level are likely. ...