[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0044 UT on 14 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/110
ISSUED AT 0044UT/14 NOVEMBER 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Due to recent geomagnetic storming over 12-13 Nov maximum usable 
frequencies in the Australian region have been observed to be 
20-45% depressed. 15-20% depressions are expected to continue 
on UT day 14-Nov.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 14 NOVEMBER 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 Nov:   60   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