[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0718 UT on 25 Jul 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/68
ISSUED AT 0717UT/25 JULY 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Several magnetically complex sunspot regions are currently on 
the disk, with the potential for M-class flares over the next 
two days.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 25-26 JULY 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
25 Jul:  R0-R1                Possible
26 Jul:  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