[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0752 UT on 17 Sep 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/94
ISSUED AT 0750UT/17 SEPTEMBER 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

A new solar region has just rotated onto the solar disk over 
the north east solar limb and appears to exhibit magnetic complexity 
in its trailer spot.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 17-19 SEPTEMBER 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
17 Sep:  R0-R1, chance R2     Possible
18 Sep:  R0-R1, chance R2     Possible
19 Sep:  R0-R1, chance R2     Possible

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