[Ips-dhfpr] ASWFC Daily HF Prop Report - 07 July 26 issued 2330 UT on 07 Jul 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 JULY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 JULY) 
Date   T index  Conditions    
07 Jul    59    Fair-normal    

Flares    Max     Fadeout    Freq.  Sectors
  M4.0    1419UT  possible   lower  South American/
                                    Atlantic

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:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   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
Jun      81
Jul      66
Aug      63


2. FORECAST (08 JULY - 10 JULY)
Date   T index  Conditions       MUFs                              
08 Jul    48    Fair-normal      Depressed 10 to 15%/near predicted 
                                 monthly values
09 Jul    55    Normal-fair      Near predicted monthly values    
10 Jul    60    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 64 was issued on 
7 July and is current for 7-8 Jul. Maximum Usable Frequencies 
(MUFs) in the Australian region on UT day 07-Jul were mostly 
near predicted values, with some depressions of up to 25% in 
the northern Australian region, and at Niue Island, during local 
night hours. Spread-F was observed in southern Australian sites 
during local night hours, with significant spread-F observed 
at Hobart. Sporadic E was also observed at Norfolk Island. MUFs 
in the Australian region are forecast to become depressed by 
10-15% over 08-Jul due to forecast geomagnetic activity, before 
beginning to recover over 09-10 Jul. 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