[ips-sf] ASWFC Summary Forecast for 21 August - issued 2320UT/20-Aug-2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

Solar flare activity on UT day 21-Aug is expected to be at R1-R2
levels. S0 solar radiation storm conditions are expected. The solar
wind speed is expected to be strong to moderate. 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. Shortwave fadeouts are probable.

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