[Ips-dhfpr] ASWFC Daily HF Prop Report - 10 July 26 issued 2341 UT on 10 Jul 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 JULY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 JULY) 
Date   T index  Conditions    
10 Jul    62    Fair-normal    

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.
   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 (11 JULY - 13 JULY)
Date   T index  Conditions       MUFs                              
11 Jul    60    Normal-fair      Near predicted monthly values
12 Jul    60    Normal           Near predicted monthly values    
13 Jul    55    Normal-fair      Near predicted monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) in the Australian 
region were near predicted monthly values on UT day 10-Jul. Significant 
spread-F was observed in the southern Australian region, and 
also at Niue Island. Sporadic E was also observed at Darwin. 
MUFs are forecast to remain near predicted monthly values over 
11-12 Jul, with some mild depressions possible on 13-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