[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 2338 UT on 14 Jun 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/64
ISSUED AT 2337UT/14 JUNE 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

For 15-Jun MUFs in the Australian region are generally expected 
to be initially depressed 15-25%, gradually recovering during 
the day as recent geomagnetic activity has now declined.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 15 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
_____________________________________________________________
15 Jun:   80   -20%/normal      2  4  6  8  8 12 16 16

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