[ips-sf] ASWFC Summary Forecast for 12 August - issued 0611UT/12-Aug-2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

A G3 geomagnetic storm commenced at 12/0517UT due to sustained periods
of southward IMF conditions in a currently elevated solar wind
environment. Australian geomagnetic conditions have so far reached G1.
Auroras may be visible during local night hours at high latitude
locations including Tasmania and southern Victoria. Solar activity on
UT day 12-Aug is expected to be at R1-R2 levels. The solar wind speed
is expected to be strong. G2-G3 geomagnetic conditions are expected
for the remainder of 12-Aug, decreasing to G1-G2 on 13-Aug. Maximum
usable frequencies are expected to be near predicted monthly values to
15% enhanced. HF radio communication conditions are expected to be
normal to fair. Shortwave fadeouts are probable.

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