[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 August 26 issued 2330 UT on 26 Aug 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 AUGUST 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 AUGUST) 
Date   T index  Conditions    
26 Aug    73    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.2    0634UT  possible   lower  Mid East/Indian
  M1.0    1214UT  possible   lower  European

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
Jul      75
Aug      64
Sep      61


2. FORECAST (27 AUGUST - 29 AUGUST)
Date   T index  Conditions       MUFs                              
27 Aug    75    Normal           Near predicted monthly values
28 Aug    55    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 15%    
29 Aug    65    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 77 was issued on 
25 August and is current for 25-27 Aug. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 26-Aug were near predicted 
monthly values. MUFs are expected to be near predicted monthly 
values over 27-Aug. MUFs are expected to be near predicted monthly 
values to 10-15% depressed on 28-Aug due to anticipated geomagnetic 
activity, returning to near predicted monthly values on 29-Aug. 
Shortwave fadeouts are possible.

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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