[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2123 UT on 05 Dec 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/125
ISSUED AT 2119UT/05 DECEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A new solar region has rotated onto the solar disk and has produced 
an R1 event in the past 24 hours, with further R1 flares expected. 
In addition, an existing on disk solar region has also shown development and 
may produce an R1 event in coming days.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 06-08 DECEMBER 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
06 Dec:  R1                   Probable
07 Dec:  R1                   Probable
08 Dec:  R1                   Probable

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