[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2353 UT on 19 Jul 2024 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 24/76
ISSUED AT 2352UT/19 JULY 2024
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

There are a large number of sunspots currently on the solar disk, 
many of which have high flare potential. Additionally, sunspot 
region AR3751 has shown rapid growth over the past few days and 
is highly magnetically complex. This region has the potential 
to produce R1-R2 level solar flares, with a slight chance for 
an isolated R3 flare event.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 20-22 JULY 2024
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
20 Jul:  R1-R2                Probable
21 Jul:  R1-R2                Probable
22 Jul:  R1-R2                Probable

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