[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0642 UT on 16 Sep 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 24/103
ISSUED AT 0641UT/16 SEPTEMBER 2024
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

The most significant sunspot group on the solar disk has decayed 
slightly in complexity but still presents a likely risk of M-class 
flaring and a chance of X-class flaring.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 16-18 SEPTEMBER 2024
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
16 Sep:  R1, chance of R2/R3  Probable
17 Sep:  R1, chance of R2/R3  Probable
18 Sep:  R1, chance of R2/R3  Probable

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