[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0731 UT on 14 Sep 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/91
ISSUED AT 0730UT/14 SEPTEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

AR3423 remains a large and active sunspot group, with the chance 
of producing R1 level flaring whilst it remains on the solar 
disk.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 14-16 SEPTEMBER 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
14 Sep:  R0-R1                Possible
15 Sep:  R0-R1                Possible
16 Sep:  R0-R1                Possible

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