[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0744 UT on 14 Feb 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/22
ISSUED AT 0744UT/14 FEBRUARY 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Ongoing coronal hole high solar wind speed effects have lead 
to depressed HF conditions in the Australian region, with stronger 
depressions at higher latitudes.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 14-15 FEBRUARY 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
_____________________________________________________________
14 Feb:   90   normal/-15%      2  4  6  8 12 12 16 22
15 Feb:   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