Solar activity on UT day 25-Sep is expected to at the R0 level with a chance of R1. S0 solar radiation storm conditions are expected. The solar wind speed is expected to be moderate. G0 geomagnetic conditions are expected. HF radio propagation conditions are expected to be mostly normal. Maximum usable frequencies in the Australian region are expected to near predicted values to enhanced by 15%. Isolated minor shortwave fadeouts are possible.