[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2035 UT on 10 May 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 26/46
ISSUED AT 2034UT/10 MAY 2026
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Active Region 4436 recently produced a flare at the R2 level. 
Shortwave fadeouts are probable.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 11-13 MAY 2026
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
11 May:  R1-R2                     Probable
12 May:  R1-R2                     Probable
13 May:  R1-R2                     Probable

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