[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 July 25 issued 2332 UT on 06 Jul 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 JULY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 JULY) 
Date   T index  Conditions    
06 Jul    86    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 40% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
      Depressed by 25% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 25% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      79
Jul      104
Aug      102


2. FORECAST (07 JULY - 09 JULY)
Date   T index  Conditions       MUFs                              
07 Jul    90    Normal-fair      Near predicted monthly values 
                                 to 15% depressed
08 Jul    90    Normal           Near predicted monthly values 
                                 to 15% depressed    
09 Jul    95    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 6-Jul were near predicted values to 25% depressed. 
Conditions were heavily degraded in the northern regions during 
local dawn hours. Spread-F was observed at Hobart during local 
night hours. MUFs are expected to be near predicted values to 
15% depressed over 7-8 Jul, improving by 9-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