[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0043 UT on 04 Oct 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 24/111
ISSUED AT 0043UT/04 OCTOBER 2024
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Multiple large and complex active regions have developed on the 
solar disk, including AR3842 which has produced the largest two 
flares of this solar cycle in the past three days.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 04-06 OCTOBER 2024
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
04 Oct:  R1-R2, chance of R3-R4        Probable
05 Oct:  R1-R2, chance of R3-R4        Probable
06 Oct:  R1-R2, chance of R3-R4        Probable

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