[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0644 UT on 11 Sep 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/89
ISSUED AT 0644UT/11 SEPTEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

There are currently nine numbered sunspot regions visible on 
the solar disk. Isolated shortwave fadeouts are possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 11-13 SEPTEMBER 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
11 Sep:  R0-R1                  Possible
12 Sep:  R0-R1                  Possible
13 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