[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 2145 UT on 25 Nov 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/120
ISSUED AT 2144UT/25 NOVEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

The Australian regional ionosphere has become depressed following 
overnight geomagnetic storm activity.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 26 NOVEMBER 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
_____________________________________________________________
26 Nov:  30        -30%       2  4  6  6  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