[Ips-dhfpr] ASWFC Daily HF Prop Report - 06 December 22 issued 2331 UT on 06 Dec 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 DECEMBER 2022
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 DECEMBER) 
Date   T index  Conditions    
06 Dec    77    Normal         

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Nov      77
Dec      70
Jan      70


2. FORECAST (07 DECEMBER - 09 DECEMBER)
Date   T index  Conditions       MUFs                              
07 Dec    70    Normal-fair      Near predicted monthly values
08 Dec    60    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 15%    
09 Dec    60    Normal-fair      Depressed 10 to 15%/near predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 96 was issued on 
5 December and is current for 5-7 Dec. ASWFC Preliminary HF Communications 
Warning 97 was issued on 6 December and is current for 7-9 Dec. 
Maximum usable frequencies (MUFs) in the Australian region on 
UT day 06-Dec were near predicted monthly values to 15% enhanced. 
MUFs are expected to be generally near predicted monthly values 
over 07-09 Dec, with mild depressions of 15% possible over 08-09 
Dec for the southern Australian region due to an anticipated 
mild increase in geomagnetic activity during this period.

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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