Sunday 20 September
last updated 19/2322 UT
Solar flare activity on UT day 20-Sep is expected to be at the R0 level. S0 solar radiation storm conditions are expected. The solar wind speed is expected to be light to moderate over the UT day. G0 geomagnetic conditions are expected. Global high frequency radio propagation conditions are expected to be mostly normal. Maximum Usable Frequencies (MUFs) in the Australian region are expected to be near predicted monthly values.