[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0509 UT on 08 Dec 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/119
ISSUED AT 0508UT/08 DECEMBER 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

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

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 08-09 DECEMBER 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
08 Dec:  R1-R2, chance R3      Possible
09 Dec:  R1-R2, chance R3      Possible

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