[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0257 UT on 11 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/108
ISSUED AT 0255UT/11 NOVEMBER 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

AR4274 continues to harbour a beta-gamma-delta magnetic complexity, 
maintaining potential for further R2-R3 level flares. Shortwave 
fadeouts are probable.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 11-13 NOVEMBER 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
11 Nov:  R2-R3     	      Probable
12 Nov:  R2-R3                Probable
13 Nov:  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