[Ips-whfpr] IPS Weekly Prop. Report (29 December 04)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 29/0200Z DECEMBER 2004 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (22 DECEMBER - 28 DECEMBER)
Date   T index   Conditions        
22 Dec   70      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 20% during local day,
     Near predicted monthly values during local night.
  Northern Australian Region:
     Enhanced by 20% during local day,
     Depressed by 15% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

23 Dec   57      Normal            
MUFS:
   Equatorial PNG Region:
     Mostly near predicted monthly values,
     Depressed by 20% after local dawn.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

24 Dec   68      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 15% during local day,
     Near predicted monthly values during local night.
     Depressed by 20% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

25 Dec   92      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 25% during local day,
     Enhanced by 20% during local night.
  Northern Australian Region:
     Mostly near predicted monthly values,
     Enhanced by 20% after local dawn.
  Southern Australian and New Zealand Region:
     Enhanced by 15% during local day,
     Enhanced by 15% during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

26 Dec   37      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values during local day,
     Depressed by 20% during local night.
     Depressed by 25% after local dawn.
  Northern Australian Region:
     Enhanced by 20% during local day,
     Depressed by 25% during local night.
  Southern Australian and New Zealand Region:
     Depressed by 15% during local day,
     Near predicted monthly values during local night.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

27 Dec   53      Normal            
MUFS:
   Equatorial PNG Region:
     Enhanced by 35% during local day,
     Near predicted monthly values during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Mostly near predicted monthly values,
     Enhanced by 30% after local dawn.
  Antarctic Region (Casey/Scott Base):
     Near predicted monthly values over the UT day.

28 Dec   65      Normal            
MUFS:
   Equatorial PNG Region:
     Near predicted monthly values.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 20% during local night.
  Southern Australian and New Zealand Region:
     Mostly near predicted monthly values,
  Antarctic Region (Casey/Scott Base):
     Enhanced by 45% over the UT day.

Predicted Monthly T index for December:  35
2. FORECAST (29 DECEMBER - 04 JANUARY) 
MUFS: depressed 15% 29 Dec, 01-03 Jan southern Aus/NZ region only, otherwise 
      MUFs near normal. 
Propagation conditions: Fair 29 Dec, 01-03 Jan otherwise normal. 
      Increasing chance for isolated shortwave fadeouts during week.
T index:   40 for 29 Dec, 01-03 Jan, 65 rest of week.
3. OUTLOOK (05 JANUARY - 04 FEBRUARY)
Degraded HF propagation conditions possible:
27-Jan to 01-Feb.

PLEASE NOTE:
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.

For an explanation of some of the terms in this report, goto
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.


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