[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2319 UT on 20 Jan 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/10
ISSUED AT 2319UT/20 JANUARY 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Two large and complex sunspot regions, AR3190 and AR3192, are 
present on the solar disk, near the central meridian and multiple 
new, developing sunspot regions have recently arrived on the 
solar disk.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FOR 21 JANUARY 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
21 Jan:  R1                   Possible

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au