[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 2337 UT on 18 Jun 2023 [SEC=OFFICIAL]

[rwc]

SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/56
ISSUED AT 2336UT/18 JUNE 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

R1 level solar flares are expected over 19-21 June. Shortwave 
fadeouts are possible on daylight circuits.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 19-21 JUNE 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
19 Jun:  R0-R1                  Possible
20 Jun:  R0-R1                  Possible
21 Jun:  R0-R1                  Possible

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