[ips-sf] ASWFC Summary Forecast for 19 June - issued 2317UT/18-Jun-2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

On UT day 19-Jun solar activity is expected to be R1 with a chance for
R2. S0 solar radiation storm conditions are expected. The solar wind
speed is expected to be moderate to strong due to the ongoing
influence of a coronal hole wind stream. G0, chance G1 geomagnetic
conditions are expected. HF radio propagation conditions are expected
to be fair to normal, with mildly degraded conditions during local
night hours. Maximum usable frequencies in the Australian region are
expected to be mildly depressed by 15% to near predicted values.

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