[Ips-dhfpr] ASWFC Daily HF Prop Report - 01 August 26 issued 2331 UT on 01 Aug 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 AUGUST 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 AUGUST) 
Date   T index  Conditions    
01 Aug    81    Normal-fair    

Flares: none.

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

PCA Event : 10MeV Proton/PCA Event Began at 1835UT 30/07, Ended at 0115UT 31/07
 and, 10MeV Proton/PCA Event Began at 0310UT 31/07, Ended at 0425UT 31/07
 and, 10MeV Proton/PCA Event Began at 1350UT 31/07, Ended at 1735UT 31/07

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


2. FORECAST (02 AUGUST - 04 AUGUST)
Date   T index  Conditions       MUFs                              
02 Aug    55    Fair             Near predicted monthly values/depressed 
                                 10 to 15%
03 Aug    60    Normal           Near predicted monthly values/depressed 
                                 10 to 15%    
04 Aug    75    Normal           Near predicted monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) in the Australian 
region on 01-Aug were mostly near predicted monthly values, with 
depressions of 15% observed in the northern Australian region. 
Spread-F was observed at several Australian sites during local 
night hours. MUFs are forecast to be near predicted monthly values 
over 02-04 Aug, with depressions of 10-15% possible over 02-03 
Aug due to forecast geomagnetic activity. Shortwave fadeouts 
are possible.

----------------------------------------------------------
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