[Ips-whfpr] IPS Weekly Prop. Report (04 November 09)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 04/0200Z NOVEMBER 2009 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (28 OCTOBER - 03 NOVEMBER)
Date   T index   Conditions        
28 Oct    7      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Depressed by 15% during local day.
      Enhanced 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/Davis/Mawson):
      Near predicted monthly values over the UT day.

29 Oct   -4      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

30 Oct    2      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Enhanced by 15% 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 over the UT day.

31 Oct  -11      Normal            
MUFS:
   Cocos Island Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Depressed by 50% 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.

01 Nov   -6      Normal            
MUFS:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Niue Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values 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.

02 Nov   -8      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values with enhancements to
      40% observed 08-12 UT.
   Niue Island Region:
      Mostly 15-30% depressed.
   Northern Australian Region:
      Near predicted monthly values. Depressions to 20%
      mostly between 00-06 and 21-23 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with 15% depressions
      22-23 UT. Night spread F observed at Hobart 14-18 UT.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to 25% depressed.

03 Nov  -30      Fair-normal       
MUFS:
   Cocos Island Region:
      Near predicted monthly values with depressions to 30%
      01-07 and 11-15 UT.
   Niue Island Region:
      Near predicted monthly values with depressions to 40%
      04-19 and 21-23 UT.
   Northern Australian Region:
      Near predicted monthly values with depressions to 30%
      04-06 and 11-18 UT.
   Southern Australian and New Zealand Region:
      Near predicted monthly values with depressions to 30%
      00-18 UT Brisbane, Norfolk and Hobart and to 25%
      Canberra and Sydney 00-08 UT. Enhancements to 40%
      17-20 UT at Canberra and Sydney.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values with depressions to 30%
      at Macquarie Is. and Casey.

Predicted Monthly T index for November:   1
2. FORECAST (04 NOVEMBER - 10 NOVEMBER) 
MUFs: Near predicted monthly values to 20% depressed.
Propagation conditions: Fair to normal. No SWFs.
T index: -5

3. OUTLOOK (11 NOVEMBER - 11 DECEMBER)
Degraded HF propagation conditions possible:
17 to 18 November, 27 to 28 November

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
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