[ips-sf] ASWFC Summary Forecast for 22 May - issued 2325UT/21-May-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

Solar activity on UT day 22-May 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, with a
chance of G1 due to ongoing coronal hole high speed wind stream
effects. HF radio propagation conditions are expected to be normal to
fair. Maximum usable frequencies (MUFs) in the Australian region are
expected to be near predicted monthly values to 15% depressed.
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