[ips-sf] ASWFC Summary Forecast for 19 October - issued 2332UT/18-Oct-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

Solar activity on UT day 19-Oct is expected to be at R0-R1 levels. S0
solar radiation storm conditions are expected. The solar wind speed is
expected to be moderate to high. G1 geomagnetic conditions, with a
chance of G2 are expected due to the current elevated IMF conditions
combined with anticipated coronal hole high speed wind stream effects.
HF radio propagation conditions are expected to be mostly fair.
Maximum usable frequencies (MUFs) in the Australian region are
expected to be near predicted monthly values to 15% depressed.
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