[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 1507 UT on 01 Dec 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/123
ISSUED AT 1507UT/01 DECEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Depressions of up to 30% have been recently observed in the southern 
Australian region. Further depressions are expected over 2-3 
Dec, particularly in the southern Australian region.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 02-03 DECEMBER 2023
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
_____________________________________________________________
02 Dec:   90   normal/-30%      2  4  6  6  8 12 16 16
03 Dec:   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