[Ips-hf-warning] ASWFC HF SWF COMMS WARNING issued 2345 UT on 09 Dec 2022 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 22/99
ISSUED AT 2344UT/09 DECEMBER 2022
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

New sunspot regions are rotating onto the solar disk whilst regularly 
producing C4 flares or stronger. R1 level flaring activity is 
possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 10-12 DECEMBER 2022
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
10 Dec:  R0-R1                Possible
11 Dec:  R0-R1                Possible
12 Dec:  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