[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2220 UT on 10 Jan 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/05
ISSUED AT 2219UT/10 JANUARY 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

There are currently four solar regions capable of producing R1-R2 
flares. Isolated R3 flare activity possible. Fadeouts likely 
on daylight HF circuits.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 11-13 JANUARY 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
11 Jan:  R1-R2, chance R3     Probable
12 Jan:  R1-R2, chance R3     Probable
13 Jan:  R1-R2, chance R3     Probable

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