*********************************************************************** Product: Daily Forecast of Geomagnetic Activity Issued: 2018 November 13 07:19UTC Prepared by the Athens Space Weather Forecasting Center *********************************************************************** 1. Solar activity Solar activity was increasing during the past 24 hours. Solar Flux (10.7 cm) measured on 12.11.2018 at 20:00 UTC was 68 sfu. The background X-Ray flux is at the class A1 level. The geomagnetic field was at quiet to unsettled levels on November 12. No obviously Earth directed CMEs were observed in available LASCO imagery. The Kp index now is at quiet levels with Kp=1. 2. Solar Wind Geomagnetic Activity Solar Wind speed from ACE: 545 km/s. Solar Wind speed from STEREO A: 380 km/s. Solar Wind speed from STEREO B: --- km/s. The southward component Bz is: 2 nT south. 3. Solar Energetic Particle Events Protons and electrons are quiet. 4. Coronal Holes A large coronal hole (CH893) was in Earth facing position on November 6-10. 5. Geophysical Activity Forecast The geomagnetic field is expected to be at quiet to unsettled levels on November 13 due to CH893 effects and at quiet levels on November 14-15. Date Estimated Ap index Expected geom. storm 2018.11.13 05 - 2018.11.14 04 - 2018.11.15 03 - *************************************************************************** Athens Space Weather Forecasting Center Physics Department, National & Kapodistrian University of Athens Athens Neutron Monitor Station A.NE.MO.S Tel.: +30 210 727 6901 email: spaceweather@phys.uoa.gr URL: http://spaceweather.phys.uoa.gr ***************************************************************************