[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2308 UT on 22 Aug 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/81
ISSUED AT 2308UT/22 AUGUST 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

R1 level solar flares are possible in the coming days due to 
AR3405 in the northwest solar quadrant, and a new unnumbered 
region rotating over the eastern limb near S10.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 23-24 AUGUST 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
23 Aug:  R0, chance R1        Possible
24 Aug:  R0, chance R1        Possible

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