[ips-sf] ASWFC Summary Forecast for 21 January - issued 2312UT/20-Jan-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

On UT day 21-Jan solar activity is expected to be R1-R2. The solar
wind speed is expected to be moderate to strong. The solar wind speed
is elevated due to a coronal hole wind stream and is expected to
gradually decline in coming days. G0 geomagnetic conditions are
expected with a chance for G1. S0 solar radiation storm conditions are
expected. HF radio propagation conditions are expected to be fair to
normal with some mild degradations during local night hours and
briefly after dawn. Maximum usable frequencies in the Australian
region are expected to be 15% depressed to near predicted values.
Isolated minor 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