[Ips-dhfpr] ASWFC Daily HF Prop Report - 29 December 23 issued 2331 UT on 29 Dec 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/29 DECEMBER 2023
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (29 DECEMBER) 
Date   T index  Conditions    
29 Dec   147    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 45% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 15% during local day and night.
   Southern Australian Region:
      Enhanced by 30-35% during local day and night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Nov      114
Dec      100
Jan      98


2. FORECAST (30 DECEMBER - 01 JANUARY)
Date   T index  Conditions       MUFs                              
30 Dec   135    Normal           Near to 15% above predicted 
                                 monthly values
31 Dec   135    Normal           Near to 15% above predicted 
                                 monthly values    
01 Jan   135    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 29-Dec in 
the Australian region were enhanced by 15-35%. MUFs are expected 
to be near predicted monthly values to 15% enhanced over 30-Dec 
to 01-Jan. Isolated minor 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