[ips-sf] ASWFC Summary Forecast for 23 July - issued 2355UT/22-Jul-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

Solar activity on UT day 23-Jul is expected to be at R0, chance R1
levels. S0 solar radiation storm conditions are expected. The solar
wind speed is expected to moderate increasing to moderate to strong
over the UT day due to a coronal hole wind stream. G0-G1 geomagnetic
conditions are expected. HF radio propagation conditions are expected
to be initially normal then becoming fair. Australian region maximum
usable frequencies are expected to be depressed 20% to 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