[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0737 UT on 04 Aug 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/74
ISSUED AT 0736UT/04 AUGUST 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Several complex sunspot regions on the solar disk may produce 
solar flares in the coming days

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 04-06 AUGUST 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
04 Aug:  R0-R1, chance R2          Possible
05 Aug:  R0-R1, chance R2          Possible
06 Aug:  R0-R1, chance R2          Possible

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