Tuesday 22 April
last updated 21/2319 UT
On UT day 22-Apr solar activity is expected to be R0-R1. The solar wind speed is expected to be strong. G1-G2 geomagnetic conditions are expected. HF radio propagation conditions are expected to be normal to fair. Maximum usable frequencies in the Australian region are expected to be near predicted values to 10-20% depressed, although on a worsening trend. S0 solar radiation storm conditions are expected.