Solar flare activity on UT day 03-Oct is expected to be at the R0 level. S0 solar radiation storm conditions are expected. The solar wind speed is expected to be light to moderate over the UT day. G0 geomagnetic conditions, with a chance of G1 are expected. Global high frequency radio propagation conditions are expected to be normal to fair. Maximum Usable Frequencies (MUFs) in the Australian region are expected to be 10-15% depressed compared with predicted monthly values.