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

Australian Space Weather Forecasting Centre aswfc at bom.gov.au
Sun Dec 8 10:30:53 AEDT 2024


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

1. SUMMARY (07 DECEMBER) 
Date   T index  Conditions    
07 Dec   141    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M2.3    1308UT  possible   lower  European
  M3.2    2215UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   Southern Australian Region:
      Enhanced 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
Nov      127
Dec      117
Jan      114


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

COMMENT: Maximum usable frequencies (MUFs) in the northern Australian 
region on UT day 07-Dec were near predicted monthly values to 
enhanced by 20% whilst MUFs in the southern Australian region 
were near predicted monthly values to 15% enhanced. The largest 
enhancements were observed during local daylight hours. MUFs 
are expected to be near predicted monthly values to 15% enhanced 
over 09-10 Dec. 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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