[ips-sf] ASWFC Summary Forecast for 22 July - issued 2311UT/21-Jul-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

Solar activity on UT day 22-Jul is expected to be at R0, chance R1
levels. S0 solar radiation storm conditions are expected. The solar
wind speed is expected to light increasing to moderate toward the end
of the UT day due to a coronal hole wind stream. G0, chance 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 15% 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