[Ips-dhfpr] ASWFC Daily HF Prop Report - 24 July 26 issued 2330 UT on 24 Jul 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 JULY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 JULY) 
Date   T index  Conditions    
24 Jul    83    Normal         

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Jun      81
Jul      66
Aug      63


2. FORECAST (25 JULY - 27 JULY)
Date   T index  Conditions       MUFs                              
25 Jul    75    Normal           Near predicted monthly values
26 Jul    75    Normal           Near predicted monthly values    
27 Jul    60    Fair             Depressed 10 to 15%/near predicted 
                                 monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) in the Australian 
region were mostly near predicted values over 24-Jul. Strong 
mixed spread-F was observed at Canberra, Hobart, Perth, and Learmonth 
during local night hours. MUFs are forecast to be near predicted 
monthly values over the period 25-26 Jul, with depressions of 
15% forecast for 27-Jul due to forecast geomagnetic activity. 
Isolated 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