[Ips-hf-warning] ASWFC HF DEPRESSION WARNING issued 2315 UT on 22 Jul 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC PRELIMINARY HF RADIO COMMUNICATIONS WARNING 24/77
ISSUED AT 2314UT/22 JULY 2024
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Moderately degraded HF conditions are expected during local night 
hours on 24-Jul and early in the UT day 25-Jul for the southern 
Australian region, due to the anticipated arrival of a weak halo 
CME on 24-Jul.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 24-25 JULY 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