[Ips-dhfpr] ASWFC Daily HF Prop Report - 24 October 26 issued 2330 UT on 24 Oct 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 OCTOBER 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 OCTOBER) 
Date   T index  Conditions    
24 Oct    28    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 20% during local night.
   Southern Australian Region:
      Mostly 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
Sep      61
Oct      60
Nov      58


2. FORECAST (25 OCTOBER - 27 OCTOBER)
Date   T index  Conditions       MUFs                              
25 Oct    30    Normal-fair      15 to 20% below predicted monthly 
                                 values
26 Oct    45    Normal           Near predicted monthly values    
27 Oct    50    Normal           Near predicted monthly values   

COMMENT: ASWFC HF Communications Warning 95 was issued on 24 
October and is current for 24-25 Oct. Maximum Usable Frequencies 
(MUFs) on UT day 24-Oct were depressed by 20% in northern Australia 
regions. MUFs in southern Australia were mostly near predicted 
monthly values. Spread F was observed at Hobart and Perth during 
local night hours. MUFs are forecast to be 15-20% depressed on 
25-Oct. MUFs are expected to be near predicted monthly values 
over 26-27 Oct.

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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