[ips-sf] ASWFC Summary Forecast for 21 October - issued 2321UT/20-Oct-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

Solar activity on UT day 21-Oct is expected to be at R0-R1 levels. S0
solar radiation storm conditions are expected. The solar wind speed is
expected to be strong. 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. Shortwave fadeouts are possible.

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