[Ips-dhfpr] ASWFC Daily HF Prop Report - 08 November 25 issued 2330 UT on 08 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/08 NOVEMBER 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (08 NOVEMBER) 
Date   T index  Conditions    
08 Nov   105    Normal-fair    

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Oct      104
Nov      89
Dec      90


2. FORECAST (09 NOVEMBER - 11 NOVEMBER)
Date   T index  Conditions       MUFs                              
09 Nov   105    Normal-fair      Near to 15% above predicted 
                                 monthly values
10 Nov   105    Normal           Near to 15% above predicted 
                                 monthly values    
11 Nov   105    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 104 was issued on 
8 November and is current for 8-10 Nov. Maximum usable frequencies 
(MUFs) in the Australian region on UT day 08-Nov were near predicted 
monthly values to 15% enhanced. MUFs are 20% depressed after 
local dawn in southern Australian regions. Sporadic E was observed 
at Townsville during local night hours. MUFs are expected to 
be near predicted monthly values to 15% enhanced over 09-11 Nov. 
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