[ips-sf] ASWFC Summary Forecast for 21 September - issued 2321UT/20-Sep-2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

Solar flare activity on UT day 21-Sep is expected to be R0, with a
chance of R1. S0 solar radiation storm conditions are expected. The
solar wind speed is expected to be light over the UT day. G0
geomagnetic conditions are expected. Global high frequency radio
propagation conditions are expected to be normal. Maximum Usable
Frequencies (MUFs) in the Australian region are expected to be near
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