[ips-sf] ASWFC Summary Forecast for 13 May - issued 2321UT/12-May-2024 [SEC=OFFICIAL]

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Solar activity on UT day 13-May is expected to be at R2-R3 levels. The
large and complex solar region that has recently produced R3 solar
flare and CME activity is nearing the south west solar limb. A weak
solar wind shock was observed at 12/0856UT. The solar wind speed is
expected to be strong, with an overall declining trend. Planetary G3
and Australian region G2 conditions were observed early in the UT on
12-May as geomagnetic storm activity on 11-May declined. The
anticipated further geomagnetic storm activity on 12-May did not
eventuate. G1, chance G2 geomagnetic storm conditions are expected on
13-May. No solar radiation storm is in progress. HF radio
communication conditions are now expected to be mostly normal for
today. Maximum usable frequencies are expected to be near predicted
monthly values to 15% enhanced. Frequent shortwave fadeouts are
expected.

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