[Ips-dhfpr] ASWFC Daily HF Prop Report - 31 January 26 issued 2330 UT on 31 Jan 2026 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 JANUARY 2026
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (31 JANUARY) 
Date   T index  Conditions    
31 Jan   116    Fair-normal    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% 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
Dec      110
Jan      89
Feb      88


2. FORECAST (01 FEBRUARY - 03 FEBRUARY)
Date   T index  Conditions       MUFs                              
01 Feb   115    Normal           Near to 15% above predicted 
                                 monthly values
02 Feb   115    Normal           Near to 15% above predicted 
                                 monthly values    
03 Feb   115    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum Usable Frequencies (MUFs) in the Australian 
region were near predicted monthly values during the day on UT 
day 31-Jan. Enhancements of 15% were observed during local night 
hours. Sporadic E was observed at Hobart, Canberra and Brisbane 
over the UT day. MUFs are expected to be near predicted monthly 
values to enhanced by 15% over 01-03 Feb. Further sporadic E 
is possible in the south eastern Australian region. Shortwave 
fadeouts are possible.

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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