[Ips-dhfpr] ASWFC Daily HF Prop Report - 09 January 26 issued 2330 UT on 09 Jan 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 JANUARY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 JANUARY) 
Date   T index  Conditions    
09 Jan   103    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Dec      110
Jan      89
Feb      88


2. FORECAST (10 JANUARY - 12 JANUARY)
Date   T index  Conditions       MUFs                              
10 Jan    90    Fair             Near predicted monthly values
11 Jan    70    Normal-fair      10 to 15% below predicted monthly 
                                 values    
12 Jan    85    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 4 was issued on 
9 January and is current for 9-10 Jan. Maximum usable frequencies 
(MUFs) in the Australian region were near predicted monthly values 
on UT day 09-Jan. MUFs are forecast to be near predicted monthly 
values on 10-Jan. MUFs are expected to become depressed relative 
to current values on 11-Jan, with depressions of 10-15% forecast 
due to geomagnetic activity. MUFs are expected to be near predicted 
monthly values on 12-Jan.

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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