Solar flare activity on UT day 16-Jan is expected to be at the R1 level, with a chance of R2. S0 solar radiation storm conditions are expected. The solar wind speed is expected to be strong to moderate. G0 geomagnetic conditions are expected. HF radio propagation conditions are expected to be normal. Maximum usable frequencies (MUFs) in the Australian region are expected to be near predicted monthly values. Shortwave fadeouts are possible.