[Ips-hf-warning] ASWFC HF COMMS WARNING issued 2335 UT on 27 Nov 2022 [SEC=OFFICIAL]

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SUBJ: ASWFC PRELIMINARY HF RADIO COMMUNICATIONS WARNING 22/90
ISSUED AT 2334UT/27 NOVEMBER 2022
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Geomagnetic 27 day patterns suggest G0-G1 disturbed conditions 
during the period 30-Nov to 01-Dec. Degraded HF conditions may 
be experienced within this interval from local night on 30-Nov 
for the southern Australian region. Depressed frequencies of 
ionospheric support may be experienced on 01-Dec for the southern 
Australian region. Northern Australian region MUFs are expected 
to remain mostly near normal.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 30 NOVEMBER 2022 TO 01 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