[ips-sf] ASWFC Summary Forecast for 31 March - issued 2321UT/30-Mar-2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

On UT day 31-Mar solar flare activity is expected to be R1-R2. The
solar wind speed is expected to be moderate to very strong in the
later half of the UT day. G3, chance G4 geomagnetic conditions are
expected due to the arrival of a CME, at approximately 31/1600UT +/-
10 hours. HF radio propagation conditions are expected to be normal to
fair, as ionospheric disturbances begin following the arrival of the
CME. Maximum usable frequencies in the Australian region are expected
to be near predicted values. S0 solar radiation storm conditions are
expected. Aurorae may be visible in the Southern Australian region
tonight, during local night hours.

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