[Ips-dhfpr] ASWFC Daily HF Prop Report - 07 November 25 issued 2331 UT on 07 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 NOVEMBER 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 NOVEMBER) 
Date   T index  Conditions    
07 Nov   114    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.7    0716UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

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


2. FORECAST (08 NOVEMBER - 10 NOVEMBER)
Date   T index  Conditions       MUFs                              
08 Nov    65    Fair             Depressed 15%/near predicted 
                                 monthly values
09 Nov    90    Normal-fair      Near predicted monthly values    
10 Nov   100    Normal           Near predicted monthly values   

COMMENT: ASWFC Preliminary HF Communications Warning 102 was 
issued on 6 November and is current for 6-8 Nov. Maximum usable 
frequencies (MUFs) in the Australian region on UT day 07-Nov 
were near predicted monthly values to 20% enhanced. MUFs are 
20% depressed after local dawn in southern Australian regions. 
MUFs are expected to be near predicted monthly values to 15% 
depressed on 08-Nov, returning to near predicted monthly values 
over 09-10 Nov. Shortwave fadeouts are probable.

----------------------------------------------------------
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