[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0240 UT on 29 Jun 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/60
ISSUED AT 0238UT/29 JUNE 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A moderately large solar region is currently near the centre 
of the solar disk. Though this region has yet to produce a significant 
solar flare it is currently increasing in magnetic complexity. 
There is an increased chance of shortwave fadeouts on daylight 
HF circuits.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 29 JUNE 2023 TO 01 JULY 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
29 Jun:  R1,chance of R2         Possible
30 Jun:  R1,chance of R2         Possible
01 Jul:  R1,chance of R2         Possible

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