Solar activity on UT day 29-Aug is expected to be at the R1 level with a chance of R2. S0-S1 solar radiation storm conditions are expected. The solar wind speed is expected to be light. G0 geomagnetic conditions are expected. HF radio propagation conditions are expected to be mostly normal with poor conditions possible at high latitudes. Maximum usable frequencies (MUFs) in the Australian region are expected to be near predicted monthly values. Brief shortwave fadeouts are probable.