[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0317 UT on 16 Feb 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/23
ISSUED AT 0317UT/16 FEBRUARY 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Maximum Useable Frequencies (MUFs) are depressed by 15-30% on 
UT day 16-Feb in southern Australian regions. Depressions are 
expected to continue into 17-Feb.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 16-17 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
_____________________________________________________________
16 Feb:   45          -25%      2  4  6  8  8 12 16 16
17 Feb:   45          -25%      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