Sunday 13 September
last updated 12/2317 UT
On UT day 13-Sep solar flare activity is expected to be R0. The solar wind speed is expected to be moderate. G0 geomagnetic conditions are expected with a chance of G1. HF radio propagation conditions are expected to be normal. Maximum usable frequencies in the Australian region are expected to be near predicted monthly values to 15% enhanced. S0 solar radiation storm conditions are expected.