[ips-sf] ASWFC Summary Forecast for 18 April - issued 2320UT/17-Apr-2025 [SEC=OFFICIAL]

Australian Space Weather Forecasting Centre aswfc at bom.gov.au
Fri Apr 18 09:20:39 AEST 2025


On UT day 18-Apr solar activity is expected to be R0-R1. The solar
wind speed is expected to be moderate. G0 geomagnetic conditions are
expected, with a chance for G1. HF radio propagation conditions are
expected to be initially degraded during local dawn hours, but
improving throughout the day. Maximum usable frequencies in the
Australian region may be depressed, especially in the southern
regions, by 10-20%. S0 solar radiation storm conditions are expected.

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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