[ips-sf] ASWFC Summary Forecast for 20 April - issued 2320UT/19-Apr-2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

Solar flare activity on UT day 20-Apr is expected to be at the R0
level. S0 solar proton conditions are expected. The solar wind speed
is expected to be strong to moderate over the UT day. G0 geomagnetic
conditions, with a chance of G1, are expected. HF radio propagation
conditions are expected to be fair to poor across the Australian
region. Maximum Usable Frequencies (MUFs) in the Australian region are
expected to be depressed by 15-20% relative to predicted monthly
values.

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au