[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0349 UT on 27 Sep 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/85
ISSUED AT 0348UT/27 SEPTEMBER 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Low level M-class solar flares are possible in the next few days 
due to a new sunspot region rotating around.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 27-28 SEPTEMBER 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
27 Sep:  R0-R1                Possible
28 Sep:  R0-R1                Possible

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