Sunday 11 October
last updated 10/2320 UT
Solar flare activity on UT day 11-Oct is expected to be at R1-R2 levels. S0 solar radiation storm conditions are expected. The solar wind speed is expected to be very strong. G1-G2 geomagnetic conditions are expected. Global high frequency radio propagation conditions are expected to be fair to poor. Maximum Usable Frequencies (MUFs) in the Australian region are expected to be 15-40% depressed. Shortwave fadeouts are probable.