[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2039 UT on 28 Nov 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/121
ISSUED AT 2038UT/28 NOVEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Sunspot region AR3500 has grown in complexity and may produce 
isolated R1-R3 level solar flares

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 28-30 NOVEMBER 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
28 Nov:  R1-R3                Possible
29 Nov:  R1-R3                Possible
30 Nov:  R1-R3                Possible

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