[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0051 UT on 31 Mar 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC PRELIMINARY HF RADIO COMMUNICATIONS WARNING 26/30
ISSUED AT 0049UT/31 MARCH 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A Coronal Mass Ejection has been observed, and is expected to 
impact Earth at 31/1600UT +/- 10 hours. Maximum Usable Frequencies 
are expected to become depressed over the following 72 hours.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 31 MARCH 2026 TO 02 APRIL 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