[Ips-hf-warning] ASWFC HF COMMS WARNING issued 0027 UT on 22 Nov 2022 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 22/89
ISSUED AT 0027UT/22 NOVEMBER 2022
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Australian regional maximum usable frequencies (MUFs) are 10-20% 
depressed after local dawn this morning.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 22-23 NOVEMBER 2022
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
_____________________________________________________________
22 Nov:   70          -20%      2  4  6  8  8 12 16 16
23 Nov:   70   -15%/normal      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