[Ips-dhfpr] IPS Daily HF Prop Report - 04 December 04

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 04/2330Z DECEMBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 DECEMBER) 
Date   T index  Conditions    
04 Dec    83    Normal         

Flares: none.

MUFs:
   Equatorial PNG Region:
      Near predicted monthly values.
   Northern Australian Region:
      Enhanced by 25% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Enhanced by 30% during local day,
      Enhanced by 20% during local night.
      Enhanced by 30% after local dawn.
   Antarctic Region (Casey/Scott Base):
      Enhanced by 30% over the UT day.


PCA Event : No event.

Predicted Monthly T index for December:  35
2. FORECAST (05 DECEMBER - 07 DECEMBER)
Date   T index  Conditions       MUFs                              
05 Dec    30    Normal-poor      Initially enhanced up to 15%, 
                                 with depressions of 15-30% expected 
                                 later in the UT day. 
06 Dec    45    Poor-normal      depressed 10 to 20%/near predicted 
                                 monthly values     
07 Dec    55    Normal-fair      Near predicted monthly values    
COMMENT: IPS HF Communications Warning 53 was issued on 3 December 
and is current for interval 5-6 December. Moderate depressions 
in MUFs and degradations in HF conditions may be observed for 
mid-high latitudes for late 5 to 6 December as the result of 
anticipated elevated geomagnetic activity. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Gloassary on Solar Terrestrial Terms.

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