Friday 04 September
last updated 03/2318 UT
On UT day 4-Sep solar flare activity is expected to be R0-R1. The solar wind speed is expected to be light to moderate. G0 geomagnetic conditions are expected. HF radio propagation conditions are expected to be normal. Maximum usable frequencies in the Australian region are expected to be near predicted values to 15% enhanced. S0 solar radiation storm conditions are expected.