[Ips-dhfpr] ASWFC Daily HF Prop Report - 13 January 25 issued 2330 UT on 13 Jan 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 JANUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 JANUARY) 
Date   T index  Conditions    
13 Jan   134    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
   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
Dec      132
Jan      119
Feb      116


2. FORECAST (14 JANUARY - 16 JANUARY)
Date   T index  Conditions       MUFs                              
14 Jan   140    Normal           Near predicted monthly values 
                                 to 15% enhanced
15 Jan   140    Normal           15% depressed to 15% enhanced    
16 Jan   140    Normal           15% depressed to 15% enhanced   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 13-Jan was near predicted values. MUFs are expected 
to be near predicted values. Enhancements of 15% are possible 
during local daylight hours, but due to ongoing coronal hole 
effects some depressions of 15% are possible during local night 
hours.

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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