[Ips-dhfpr] ASWFC Daily HF Prop Report - 24 November 25 issued 2330 UT on 24 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 NOVEMBER 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 NOVEMBER) 
Date   T index  Conditions    
24 Nov   132    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      No data available during local night.
   Niue Island Region:
      Enhanced by 25% during local day.
      Enhanced by 30% during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 20% during local night.
   Southern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
      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 (25 NOVEMBER - 27 NOVEMBER)
Date   T index  Conditions       MUFs                              
25 Nov   115    Fair-normal      Near to 15% above predicted 
                                 monthly values
26 Nov   115    Fair-normal      Near to 15% above predicted 
                                 monthly values    
27 Nov   110    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) were largely near 
predicted monthly values to 15% enhanced in the Australian region, 
with some mild low frequency sporadic-E observed. Spread F was 
also observed in Hobart. MUFs are expected to be near predicted 
monthly values to enhanced by 15% for 25-26 Nov, declining to 
near predicted monthly values during 27 Nov. Sporadic-E during 
local night hours may be observed.

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