[Ips-dhfpr] ASWFC Daily HF Prop Report - 08 August 26 issued 2347 UT on 08 Aug 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 AUGUST 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 AUGUST) 
Date   T index  Conditions    
08 Aug    47    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jul      75
Aug      64
Sep      61


2. FORECAST (09 AUGUST - 11 AUGUST)
Date   T index  Conditions       MUFs                              
09 Aug    50    Normal           Near predicted monthly values
10 Aug    50    Normal           Near predicted monthly values    
11 Aug    50    Normal           Near predicted monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) on UT day 08-Aug in 
the southern Australian region were mostly near predicted monthly 
values, with depressions observed after local dawn hours. MUFs 
in the northern Australian region were depressed during the local 
day. Spread F was observed at almost all sites in the Australian 
region during local night hours. Significant sporadic E was observed 
at Learmonth during local night hours. MUFs are forecast to be 
mostly near predicted values over 09-11 Aug.

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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