[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0308 UT on 07 Oct 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC PRELIMINARY HF RADIO COMMUNICATIONS WARNING 26/83
ISSUED AT 0308UT/07 OCTOBER 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Geomagnetic storm activity is anticipated, commencing on 09-Oct 
due to a coronal mass ejection first observed on 06-Oct. This 
event may depress HF communications.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 09-10 OCTOBER 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
A MORE DETAILED HF WARNING WILL FOLLOW IF DEPRESSIONS EVENTUATE.
_____________________________________________________________

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