[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2249 UT on 14 May 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/47
ISSUED AT 2248UT/14 MAY 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

AR4087 has recently produced flares at R2-R3 levels. Further 
flaring impacting lower HF frequencies is probable.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 14-16 MAY 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
14 May:  R2, chance R3            Probable
15 May:  R2, chance R3            Probable
16 May:  R2, chance R3            Probable

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