[Ips-dhfpr] ASWFC Daily HF Prop Report - 10 January 25 issued 2330 UT on 10 Jan 2025 [SEC=OFFICIAL]

Australian Space Weather Forecasting Centre aswfc at bom.gov.au
Sat Jan 11 10:30:52 AEDT 2025


SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 JANUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 JANUARY) 
Date   T index  Conditions    
10 Jan   137    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 30% during local day.
      Enhanced by 40% during local night.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Near predicted monthly values 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 (11 JANUARY - 13 JANUARY)
Date   T index  Conditions       MUFs                              
11 Jan   135    Normal           Near to 15% above predicted 
                                 monthly values
12 Jan   135    Normal           Near to 15% above predicted 
                                 monthly values    
13 Jan   135    Normal-fair      Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 6 was issued on 
10 January and is current for 10-12 Jan. Maximum usable frequencies 
(MUFs) on UT day 10-Jan in the Australian region were near predicted 
monthly values to 20% enhanced in northern Australia. MUFs are 
expected to be near predicted monthly values to 15% enhanced 
over 11-13 Jan. Isolated shortwave fadeouts are possible.

----------------------------------------------------------
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



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