[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2319 UT on 30 Jun 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/60
ISSUED AT 2318UT/30 JUNE 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Due to several large and complex sunspot regions currently on 
the disk that have began to produce flares, solar flare activity 
over 1-2 Jul is expected to be R1-R2, with a chance for isolated 
R3 events on 1-Jul.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 01-02 JULY 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
01 Jul:  R1-R2, chance R3     Probable
02 Jul:  R1-R2             Possible

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