[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2349 UT on 22 Jul 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/67
ISSUED AT 2347UT/22 JULY 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

AR4493 continues to maintain beta-gamma-delta magnetic complexity. 
Shortwave fadeouts are possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 23-24 JULY 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
23 Jul:  R1, chance R2        Possible
24 Jul:  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