Solar activity on UT day 09-May is expected to be at R0-R1 levels. S0 solar radiation storm conditions are expected. The solar wind speed is expected to be moderate to high. G0-G1 geomagnetic conditions are expected. HF radio propagation conditions are expected to be mostly normal with mild degradations possible at higher latitudes. Maximum useable frequencies (MUFs) in the Australian region are expected to be near predicted monthly values to depressed by 20%. Minor shortwave fadeouts are possible.