[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0629 UT on 11 Nov 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC PRELIMINARY HF RADIO COMMUNICATIONS WARNING 23/112
ISSUED AT 0628UT/11 NOVEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Degraded HF conditions are expected for the southern Australian 
region over 12-13 Nov in association with increased geomagnetic 
activity induced from the expected arrival of a CME during this 
interval.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 12-13 NOVEMBER 2023
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