[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0830 UT on 06 Oct 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/81
ISSUED AT 0829UT/06 OCTOBER 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Active Regions 4545 and 4549 have produced multiple R1 flares 
over the past 24 hours. Further M-class flares are possible from 
these regions. Shortwave fadeouts are possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 06 OCTOBER 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
06 Oct:  R1                   None expected

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