[ips-sf] ASWFC Summary Forecast for 28 July - issued 0248UT/28-Jul-2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

R2 solar flare activity has been observed with an M7.8 flare at
28/0151UT and an M9.9 flare at 28/0157UT with associated fadeout
28/0146-0237UT. On UT day 28-Jul solar activity is expected to be R1,
chance R2. The solar wind speed is expected to be light to moderate.
G0 geomagnetic conditions are expected with a chance for G1. Two
recent CME events have been observed with G1-G2 conditions now
expected from late 29-Jul and on 30-Jul. S0 solar radiation storm
conditions are expected. Maximum usable frequencies are expected to be
near predicted values to 15% enhanced and HF radio communication
conditions are expected to be fair to normal. Isolated minor fadeouts
are possible. Degraded HF conditions are likely for the southern
Australian region from late 30-Jul possibly up to 01-Aug depending on
anticipated geomagnetic storm onset time.

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