[Ips-hf-warning] ASWFC HF SHORTWAVE FADEOUT WARNING issued 0011 UT on 01 Aug 2023 [SEC=OFFICIAL]

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SUBJ: ASWFC HF RADIO COMMUNICATIONS WARNING 23/74
ISSUED AT 0011UT/01 AUGUST 2023
BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE.

Several sunspot regions with complex magnetic characteristics 
and/or history of M-class flaring. R1 flaring activity is forecast 
over 1-3 August with a chance of R2. Shortwave fadeouts are possible.

DEGRADED HF PROPAGATION CONDITIONS EXPECTED
FROM 01-03 AUGUST 2023
IF COMMS DIFFICULTIES EXPERIENCED TRY A HIGHER FREQUENCY BAND
_____________________________________________________________

SOLAR ACTIVITY FORECAST       HF COMMS FADEOUTS
01 Aug:  R1, chance of R2     Possible
02 Aug:  R1, chance of R2     Possible
03 Aug:  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