[Ips-whfpr] IPS Weekly Prop. Report (06 December 06)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 06/0200Z DECEMBER 2006 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (29 NOVEMBER - 05 DECEMBER)
Date   T index   Conditions        
29 Nov    7      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
     Depressed by 20% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Depressed by 15% during local night.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

30 Nov    3      Fair              
MUFS:
   Equatorial PNG/Niue Region:
     Mostly near predicted monthly values,
     Depressed by 50% after local dawn.
  Northern Australian Region:
     Near predicted monthly values during local day,
     Enhanced by 15% during local night.
     Depressed by 25% after local dawn.
  Southern Australian and New Zealand Region:
     Mostly near predicted monthly values,
     Depressed by 25% after local dawn.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Depressed by 15% over the UT day.

01 Dec  -27      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Depressed by 20% during local day,
     Depressed by 20% during local night.
  Northern Australian Region:
     Depressed by 30% during local day,
     Depressed by 20% during local night.
  Southern Australian and New Zealand Region:
     Depressed by 30% during local day,
     Depressed by 15% during local night.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

02 Dec   10      Normal            
MUFS:
   Equatorial PNG/Niue Region:
     Near predicted monthly values during local day,
     Depressed by 15% during local night.
  Northern Australian Region:
     Near predicted monthly values.
  Southern Australian and New Zealand Region:
     Near predicted monthly values.
  Antarctic Region (Casey/Scott Base/Davis/Mawson):
     Near predicted monthly values over the UT day.

03 Dec    6      Normal            
MUFS:
   Mostly near predicted monthly values at all latitudes.
   Depressions to 30% observed at Vanimo and Port Moresby
   around 10 to 13 UT.

04 Dec   17      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values,
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

05 Dec   14      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day,
      Depressed by 30% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day
      with periods of depressions and degradations.

Predicted Monthly T index for December:  10
2. FORECAST (06 DECEMBER - 12 DECEMBER) 
MUFS: Minor to moderate depressions possible from 06 to 08 December.
MUFs near predicted monthly values on other days.
Propagation conditions: Normal to fair on 06-December,  
Fair on 07 and 08 December, otherwise mostly normal. 
SWfs probable in the week.
T index:    5
COMMENT: IPS HF Communications Warning 33 was issued on 5 December 
and is current for interval  6-8 December (SWFs) . 
3. OUTLOOK (13 DECEMBER - 12 JANUARY)
Degraded HF propagation conditions possible:
21 to 22 December, 03 to 04 January.

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.


IPS Radio and Space Services        email: asfc at ips.gov.au
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