Solar flare activity on UT day 09-Oct is expected to be at the R1-R2 level. S0 solar radiation storm conditions are expected. The solar wind speed is expected to increase to moderate to strong levels over the UT day. G1-G2 geomagnetic conditions are expected. Global high frequency radio propagation conditions are expected to be fair. Maximum Usable Frequencies (MUFs) in the Australian region are expected to become depressed by 15% compared with predicted monthly values. Shortwave fadeouts are probable.