[Ips-whfpr] IPS Weekly Prop. Report (05 December 12) issued 0232 UT on 05 Dec 2012

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED ON 05 DECEMBER 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 NOVEMBER - 04 DECEMBER)
Date   T index   Conditions        
28 Nov   89      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 25% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   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.

29 Nov   93      Normal            
MUFS:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      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.

30 Nov   94      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand 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.

01 Dec   96      Normal            
MUFS:
   Cocos Island Region:
      Mostly near predicted monthly values.
   Niue Island Region:
      Mostly near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced 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.

02 Dec   97      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      No data available.
    Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Depressions to 20%; 20-22 UT.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
      Depressions to 20%;19-23 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

03 Dec   70      Normal            
MUFS:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Darwin enhanced 15-30% 11-16UT.
   Southern Australian and New Zealand Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

04 Dec   61      Normal            
MUFS:
   Cocos Island Region:
      Briefly depressed before local dawn,      
      otherwise near predicted monthly values.
   Niue Island Region:
      No data.
   Northern Australian Region:
      Learmonth depressed 15-30%.
      Darwin, Townsville depressed 20% before local 
      dawn, otherwise near predicted monthly values.
   Southern Australian and New Zealand Region:
      Perth depressed 15%.
      Brisbane, Norfolk Island depressed 15% before 
      local dawn. 
      Other stations mildly depressed over the UT day
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Periods of disturbance due to weak ionisation.

Predicted Monthly T index for December:  81

2. FORECAST (05 DECEMBER - 11 DECEMBER) 
MUFS: MUFs near predicted monthly values.

Propagation conditions: Normal. SWFs possible.

T index: 81

3. OUTLOOK (12 DECEMBER - 11 JANUARY)
Degraded HF propagation conditions possible:
No significant degraded periods expected.

PLEASE NOTE:
Space weather conditions can frequently be determined by short 
timescale events that cannot be forecast a week in advance,
particularly at solar maximum.

For an explanation of some of the terms in this report, go to
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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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