[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2332 UT on 25 May 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/51
ISSUED AT 2331UT/25 MAY 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.
EDIT TO ASWFC HF COMMUNICATIONS WARNING 23/50

Several complex sunspot regions on the solar disk have potential 
for R1-R2 solar flares over 26-28 May.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 26-28 MAY 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
26 May:  R1, chance R2        Probable
27 May:  R1, chance R2        Probable
28 May:  R1, chance R2        Probable

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