[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0002 UT on 29 Mar 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 25/32
ISSUED AT 0001UT/29 MARCH 2025
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Two new sunspot regions on the eastern limb have been flare active, 
with R1-R3 events having been observed. Solar activity is predominantly 
expected to be R0-R1, however isolated R2-R3 events are possible 
from these new regions.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 29-31 MARCH 2025
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
29 Mar:  R0-R1, chance R2-R3       Possible
30 Mar:  R0-R1, chance R2-R3       Possible
31 Mar:  R0-R1, chance R2-R3       Possible

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