[ips-sf] ASWFC Summary Forecast for 12 November - issued 2317UT/11-Nov-2023 [SEC=OFFICIAL]

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Solar activity on UT day 12-Nov is expected to be at R0-R1 levels. The
chance of isolated R1 solar flare activity has increased due to
developing solar region AR3483(N10W50).The solar wind speed is
expected to be initially light to moderate, then increasing to strong
during the first half of the UT day 12-Nov due to the anticipated
arrival of a recent CME. This CME was expected to arrive late in the
UT day on 11-Nov but has yet to eventuate. Geomagnetic activity is
expected to be initially at G0 on 12-Nov then increasing to G1-G2
levels from mid 12-Nov, with a slight chance of G3 conditions. HF
radio communication conditions on 11-Nov remained normal and are
expected to be become degraded from mid 12 Nov due to geomagnetic
activity. Ionospheric maximum usable frequencies (MUFs) for the
southern Australian region are now expected to be initially normal on
12-Nov then becoming depressed 15-30% from late 12-Nov and on 13-Nov.
Isolated 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