[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0728 UT on 10 Jun 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/61
ISSUED AT 0728UT/10 JUNE 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

HF Depressions are continuing, with MUFs in the southern Australian 
region depressed by 15% in the first third of 10-Jun.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 10-12 JUNE 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
_____________________________________________________________

HF COMMUNICATIONS FORECAST (AUSTRALIAN/NEW ZEALAND REGION)
                                   FREQUENCY BANDS
       T-index      MUFs        2  4  6  8 12 16 22 26
_____________________________________________________________
10 Jun:   80          -10%      2  4  6  8 12 16 16 22
11 Jun:   90   normal/-15%      2  4  6  8 12 12 16 22
12 Jun:   90   normal/-15%      2  4  6  8 12 12 16 22

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