[Ips-hf-warning] ASWFC HF COMMS WARNING issued 0720 UT on 06 Dec 2022 [SEC=OFFICIAL]

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SUBJ: ASWFC PRELIMINARY HF RADIO COMMUNICATIONS WARNING 22/97
ISSUED AT 0720UT/06 DECEMBER 2022
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

An equatorial coronal hole is moving towards a geoeffective position 
and is expected to mildly increase geomagnetic activity over 
7-9 Dec. This could lead to degraded HF communication conditions 
over this interval.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 07-09 DECEMBER 2022
IF COMMS DIFFICULTIES EXPERIENCED TRY A LOWER FREQUENCY BAND
A MORE DETAILED HF WARNING WILL FOLLOW IF DEPRESSIONS EVENTUATE.
_____________________________________________________________

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