[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 0010 UT on 28 Jul 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC PRELIMINARY HF RADIO COMMUNICATIONS WARNING 24/80
ISSUED AT 0010UT/28 JULY 2024
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Degraded HF conditions are likely 31-Jul to 01-Aug for the southern 
Australian region, particularly during local night hours. Any 
middle latitude ionospheric depression response in the Australian 
region to the anticipated geomagnetic activity from recent CMEs 
may be limited to the post local dawn period due to seasonal 
factors.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 31 JULY 2024 TO 01 AUGUST 2024
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