[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2313 UT on 02 Jun 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/51
ISSUED AT 2313UT/02 JUNE 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Active Regions 4455 and 4461 recently produced R1 level flares. 
Shortwave fadeouts are possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 02-04 JUNE 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
02 Jun:  R0-R1                    Possible
03 Jun:  R0-R1                    Possible
04 Jun:  R0-R1                    Possible

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