[Ips-dhfpr] ASWFC Daily HF Prop Report - 14 January 25 issued 2330 UT on 14 Jan 2025 [SEC=OFFICIAL]

Wed Jan 15 10:30:51 AEDT 2025

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 JANUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 JANUARY) 
Date   T index  Conditions    
14 Jan   110    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   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 (15 JANUARY - 17 JANUARY)
Date   T index  Conditions       MUFs                              
15 Jan   130    Normal           Near predicted values to 15% 
                                 depressed
16 Jan   125    Normal-fair      Near predicted values to 15% 
                                 depressed    
17 Jan   125    Normal-fair      Near predicted monthly values 
                                 to 15% depressed   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region were mear predicted values to 15% depressed. Sporadic-E 
was observed in Brisbane during local daylight hours. MUFs are 
expected to be near predicted values to 15% depressed over 15-17 
Jan due to coronal hole activity.

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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