[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0716 UT on 07 Dec 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/118
ISSUED AT 0716UT/07 DECEMBER 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Several active sunspot regions remain on the Sun, and isolated 
solar flares are possible over the next few days.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 07-08 DECEMBER 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
07 Dec:  R1, chance R2             Possible
08 Dec:  R1, chance R2             Possible

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