[Ips-dhfpr] ASWFC Daily HF Prop Report - 23 November 25 issued 2330 UT on 23 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 NOVEMBER 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 NOVEMBER) 
Date   T index  Conditions    
23 Nov   129    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 25% 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 (24 NOVEMBER - 26 NOVEMBER)
Date   T index  Conditions       MUFs                              
24 Nov   110    Normal           Near to 15% above predicted 
                                 monthly values
25 Nov   110    Normal           Near to 15% above predicted 
                                 monthly values    
26 Nov   105    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) were largely near 
predicted monthly values to 15% enhanced in the Australian region, 
with some sporadic-E observed during night hours in Hobart and 
Learmonth. MUFs are expected to be near predicted monthly values 
to enhanced by 15% for 24-Nov, declining to near predicted monthly 
values during 25-26 Nov. Sporadic-E during local night hours 
may be observed.

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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