[Ips-dhfpr] ASWFC Daily HF Prop Report - 09 January 25 issued 2330 UT on 09 Jan 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 JANUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 JANUARY) 
Date   T index  Conditions    
09 Jan   163    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    0026UT  possible   lower  West Pacific

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   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 25% during local night.
   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
Dec      132
Jan      119
Feb      116


2. FORECAST (10 JANUARY - 12 JANUARY)
Date   T index  Conditions       MUFs                              
10 Jan   155    Normal           Near to 15% above predicted 
                                 monthly values
11 Jan   155    Normal           Near to 15% above predicted 
                                 monthly values    
12 Jan   155    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 09-Jan in 
the Australian region were near predicted monthly values to 25% 
enhanced in northern Australia. Spread F was observed at Hobart 
during local night hours. MUFs are expected to be near predicted 
monthly values to 15% enhanced over 10-12 Jan. 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