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

[Australian Space Weather Forecasting Centre]

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

1. SUMMARY (26 JUNE) 
Date   T index  Conditions    
26 Jun    87    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 15% during local day.
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 45% 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
May      67
Jun      68
Jul      65


2. FORECAST (27 JUNE - 29 JUNE)
Date   T index  Conditions       MUFs                              
27 Jun    80    Normal-fair      Near predicted monthly values
28 Jun    85    Normal           Near predicted monthly values    
29 Jun    85    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 26-Jun were near predicted values, with enhancements 
of up to 45% observed in the northern Australian region. Spread-F 
and mild sporadic E were observed at sites on the east coast 
of Australia during local night hours, with significant Spread-F 
observed in Hobart. MUFs are expected to be mostly near predicted 
monthly values over 27-29 Jun. 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