[Ips-dhfpr] ASWFC Daily HF Prop Report - 07 January 24 issued 2330 UT on 07 Jan 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/07 JANUARY 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (07 JANUARY) 
Date   T index  Conditions    
07 Jan   137    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Enhanced by 25% during local day.
      Enhanced by 25% 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      110
Jan      106
Feb      105


2. FORECAST (08 JANUARY - 10 JANUARY)
Date   T index  Conditions       MUFs                              
08 Jan   140    Normal           Near to 15% above predicted 
                                 monthly values
09 Jan   140    Normal           Near to 15% above predicted 
                                 monthly values    
10 Jan   140    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 2 was issued on 
6 January and is current for 7-9 Jan. Maximum usable frequencies 
(MUFs) on UT day 7-Jan in the southern Australian region were 
enhanced by up to 25%. In the northern Australian region MUFs 
were near predicted monthly values. Sporadic E was observed across 
the Australian region and was particularly strong in the south-eastern 
Australian region. MUFs are expected to be near predicted monthly 
values to 15% enhanced over 8-10 Jan. Further sporadic E is expected 
in the southern and eastern Australian regions. 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