Solar activity on UT day 23-Jan is expected to be at R1-R2 levels. S0 conditions, with a chance of S1, are expected. The solar wind speed is expected to be moderate to strong over the UT day. G0 geomagnetic conditions are expected. HF radio propagation conditions are expected to be Normal-Fair across the Australian region. Maximum Usable Frequencies (MUFs) in the Australian region are expected to be near predicted monthly values. Shortwave fadeouts are possible.