[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2214 UT on 22 Aug 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/76
ISSUED AT 2214UT/22 AUGUST 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Active region 4513 remains magnetically complex, but has been 
flare-quiet for a few days. The possibility of M-class flares 
is still present.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 23-25 AUGUST 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
23 Aug:  R0-R1                Possible
24 Aug:  R0-R1                Possible
25 Aug:  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