[ips-sf] ASWFC Summary Forecast for 12 November - issued 2332UT/11-Nov-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

On UT day 12-Nov solar activity is expected to be R2-R3. The solar
wind speed is expected to become very strong. G4 geomagnetic storm
conditions are expected with a chance for G5 towards the end of the
day. S1-S2 solar radiation storm conditions are expected. Global HF
radio propagation conditions are expected to become degraded. Maximum
usable frequencies in the Australian region are expected to become
depressed by 40-50%. Visible auroras may be possible in the southern
parts of Australia towards the end of the day.

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au