[ips-sf] ASWFC Summary Forecast for 20 September - issued 2320UT/19-Sep-2023 [SEC=OFFICIAL]

[rwc]

On UT day 20-Sep, solar activity is expected to be R0-R1 with a chance
for R2. The solar wind speed is expected to be strong to moderate,
declining from recent geomagnetic activity. G0 geomagnetic conditions
are expected with a chance for G1. HF radio propagation conditions may
be degraded due to recent geomagnetic activity. Maximum usable
frequencies (MUFs) for HF radio are expected to be depressed by
15-25%.

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