[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0232 UT on 09 Dec 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/120
ISSUED AT 0231UT/09 DECEMBER 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

R2-R3 radio blackouts are probable over the next few days due 
to active sunspot regions.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 09-11 DECEMBER 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
09 Dec:  R2-R3                Probable
10 Dec:  R2-R3                Probable
11 Dec:  R2-R3                Probable

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