[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0730 UT on 12 Mar 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/29
ISSUED AT 0730UT/12 MARCH 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

MUFs currently 15-20% depressed, and are likely to continue being 
at a similar level over 12-14 Mar due to coronal hole activity

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 12-14 MARCH 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
_____________________________________________________________
12 Mar:   77   normal/-15%      2  4  6  8 12 12 16 22
13 Mar:   63   normal/-20%      2  4  6  8  8 12 16 16
14 Mar:   63   normal/-20%      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