[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0336 UT on 02 Dec 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/124
ISSUED AT 0332UT/02 DECEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Maximum usable frequency (MUF) depressions of 30-50% have been
observed throughout the Australian region on 02-Dec due to recent
geomagnetic activity. Additional milder depressions are expected on 04-Dec.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 02-04 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:  -20          -35%      2  4  4  6  8  8 12 12
03 Dec:   90   normal/-15%      2  4  6  8 12 12 16 22
04 Dec:   75   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