[Ips-hf-warning] ASWFC HF COMMS WARNING issued 0253 UT on 25 Oct 2022 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 22/82
ISSUED AT 0252UT/25 OCTOBER 2022
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Australian regional maximum useable frequencies (MUFs) are unexpectedly 
depressed by 15-25% after local dawn this morning.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 25 OCTOBER 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
_____________________________________________________________
25 Oct:   69          -25%      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