[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0715 UT on 09 Dec 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/128
ISSUED AT 0713UT/09 DECEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Solar region AR3511 located in the southwest solar
quadrant produced an M5.4 flare at 08/2307UT,
further flares are possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 09-11 DECEMBER 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
09 Dec:  R0-R1, chance R2     Possible
10 Dec:  R0-R1, chance R2     Possible
11 Dec:  R0-R1, chance R2     Possible

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