[ips-sf] ASWFC Summary Forecast for 20 July - issued 2312UT/19-Jul-2025 [SEC=OFFICIAL]

Australian Space Weather Forecasting Centre aswfc at bom.gov.au
Sun Jul 20 09:12:09 AEST 2025


On UT day 20-Jul solar activity is expected to be R0-R1. S0 solar
radiation storm conditions are expected. The solar wind speed is
expected to be initially moderate then declining to light. G0
geomagnetic conditions are expected. HF radio propagation conditions
are expected to be mostly normal, with fair conditions possible during
local night hours. Australian region maximum usable frequencies are
expected to be depressed 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



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