[Ips-dhfpr] ASWFC Daily HF Prop Report - 16 November 25 issued 2331 UT on 16 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/16 NOVEMBER 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (16 NOVEMBER) 
Date   T index  Conditions    
16 Nov   110    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M3.1    0817UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   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 (17 NOVEMBER - 19 NOVEMBER)
Date   T index  Conditions       MUFs                              
17 Nov   110    Normal           Near to 15% above predicted 
                                 monthly values
18 Nov   110    Normal           Near to 15% above predicted 
                                 monthly values    
19 Nov   105    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) were largely near 
predicted monthly values in the Australian region, with some 
enhancements seen at Niue Island. Spread-F was observed during 
local night hours in Hobart and the Antarctic region. MUFs are 
expected to be near predicted monthly values to enhanced by 15% 
over the period 17-19 Nov. Minor shortwave fadeouts are possible.

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