[ips-sf] ASWFC Summary Forecast for 21 September - issued 2325UT/20-Sep-2022 [SEC=OFFICIAL]

[rwc]

Solar activity is expected to be predominantly at R0-R1 levels on
21-Sep. The solar wind has remained moderate, and is still expected to
gradually decrease from moderate to light over 21 Sep, then increasing
to moderate again sometime on 22 Sep due to an equatorial coronal
hole. G0 geomagnetic conditions are generally expected, with isolated
G1 periods possible on 22-23 Sep. HF frequencies of support are
expected to be near normal to mildly enhanced on 21-Sep, with mostly
normal HF propagation conditions expected, mild degradations are
possible during local night 22-23 Sep, for the southern Australian
region.

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