[Ips-dhfpr] ASWFC Daily HF Prop Report - 14 July 26 issued 2330 UT on 14 Jul 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 JULY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 JULY) 
Date   T index  Conditions    
14 Jul    71    Normal-fair    

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 during local day.
      Depressed by 25% 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):
      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 (15 JULY - 17 JULY)
Date   T index  Conditions       MUFs                              
15 Jul    75    Normal           Near predicted monthly values
16 Jul    75    Normal           Near predicted monthly values    
17 Jul    85    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 14-Jul were mostly near predicted values to 
15% depressed. Spread-F was common during local night hours in 
Brisbane, Darwin and Townsville. Heavily degraded HF propagation 
conditions were observed in Hobart during local night and dawn 
hours. MUFs are expected to be mostly near predicted values over 
15-17 Jul, with HF propagation conditions in Australian sites 
recovering to normal on 15-Jul.

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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