[Ips-dhfpr] ASWFC Daily HF Prop Report - 04 September 26 issued 2330 UT on 04 Sep 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 SEPTEMBER 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 SEPTEMBER) 
Date   T index  Conditions    
04 Sep    64    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0753UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Aug      66
Sep      62
Oct      60


2. FORECAST (05 SEPTEMBER - 07 SEPTEMBER)
Date   T index  Conditions       MUFs                              
05 Sep    65    Normal           Near predicted monthly values
06 Sep    65    Normal           Near predicted monthly values    
07 Sep    65    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 78 was issued on 
4 September and is current for 4-5 Sep. Maximum usable frequencies 
(MUFs) in the Australian region were near predicted values over 
04-Sep. MUFs are expected to be mostly near predicted values 
over 05-07 Sep.

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For an explanation of some of the terms in this report, go to
https://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

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