Thursday 19 February
last updated 18/2321 UT
Solar flare activity on UT day 19-Feb is expected to be at the R0 level. S0 solar radiation storm conditions are expected. The solar wind speed is expected to be mostly moderate. G0 geomagnetic conditions are expected. HF 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.