[Ips-dhfpr] ASWFC Daily HF Prop Report - 03 November 25 issued 2330 UT on 03 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/03 NOVEMBER 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (03 NOVEMBER) 
Date   T index  Conditions    
03 Nov   122    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.6    0925UT  possible   lower  Mid East/Indian
  M5.0    1011UT  possible   lower  European
  M2.9    1235UT  possible   lower  European
  M1.5    1708UT  possible   lower  South American/
                                    Atlantic

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Enhanced by 20% during local day.
      Enhanced by 15% 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 (04 NOVEMBER - 06 NOVEMBER)
Date   T index  Conditions       MUFs                              
04 Nov   110    Normal           Near to 15% above predicted 
                                 monthly values
05 Nov   110    Normal           Near to 15% above predicted 
                                 monthly values    
06 Nov   105    Normal-fair      Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 100 was issued on 
3 November and is current for 3-5 Nov. Maximum usable frequencies 
(MUFs) on UT day 03-Nov were mostly near predicted monthly values 
to 20% enhanced in the Australian region, however MUFs are 20% 
depressed after local dawn in southern Australian regions. Spread 
F was observed at Hobart during local night hours. MUFs are expected 
to be near predicted monthly values to 15% enhanced over 04-06 
Nov. Shortwave fadeouts are probable.

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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