[ips-sf] ASWFC Summary Forecast for 29 December - issued 2321UT/28-Dec-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

On UT day 29-Dec solar activity is expected to be R1, chance R2. S0
solar radiation storm conditions are expected. The solar wind speed is
expected to be moderate. Geomagnetic conditions are expected to be G0.
Increased geomagnetic activity is expected over 30-31 Dec due to a
coronal hole wind stream. HF radio propagation conditions are expected
to be normal. Maximum usable frequencies in the Australian region are
expected to be near predicted values to 15% enhanced. Isolated
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