Solar activity on UT day 23-Jul is expected to be at R0, chance R1 levels. S0 solar radiation storm conditions are expected. The solar wind speed is expected to moderate increasing to moderate to strong over the UT day due to a coronal hole wind stream. G0-G1 geomagnetic conditions are expected. HF radio propagation conditions are expected to be initially normal then becoming fair. Australian region maximum usable frequencies are expected to be depressed 20% to near predicted monthly values.