[ips-sf] ASWFC Summary Forecast for 18 July - issued 2319UT/17-Jul-2023 [SEC=OFFICIAL]

[rwc]

Solar activity on UT day 18-Jul is expected to be at the R1 level,
with a chance of R2. The solar wind speed is expected to be strong. G1
geomagnetic conditions are expected, with a chance of G2 due to the
arrival of a CME first observed on 14-Jul. Maximum usable frequencies
(MUFs) are expected to be near predicted monthly values to 15%
depressed. Mild degradations in HF communication conditions are
possible. 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