[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0644 UT on 15 Jan 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/09
ISSUED AT 0642UT/15 JANUARY 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

There are currently five numbered sunspot regions on the visible 
solar disk with three regions showing growth and increasing magnetic 
complexity. AR4341 has so far produced two R1 level flares. Additionally 
AR4340 has recently developed a beta-gamma-delta magnetic complexity. 
Shortwave fadeouts are possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 15-17 JANUARY 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
15 Jan:  R1 chance R2             Possible
16 Jan:  R1 chance R2             Possible
17 Jan:  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