[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0627 UT on 24 Apr 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/41
ISSUED AT 0627UT/24 APRIL 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Active Region 4419 has produced multiple M-class flares and an 
X-class flare over the past day. Further flare activity is likely 
from this region over the next two days.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 24-25 APRIL 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
24 Apr:  R1, chance of R2     Possible
25 Apr:  R1, chance of R2     Possible

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