[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0414 UT on 08 Aug 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/74
ISSUED AT 0413UT/08 AUGUST 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

AR4168 has continued to produce R1 level flares. Shortwave fadeouts 
are possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 08-10 AUGUST 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
08 Aug:  R1, chance R2            Possible
09 Aug:  R1, chance R2            Possible
10 Aug:  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