[Ips-whfpr] IPS Weekly Prop. Report (01 October 08)

[rwc]

SUBJ: IPS WEEKLY HF PROPAGATION REPORT
ISSUED AT 01/0200Z OCTOBER 2008 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (24 SEPTEMBER - 30 SEPTEMBER)
Date   T index   Conditions        
24 Sep   -6      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day,
      Depressed by 15% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values 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.

25 Sep   -7      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Depressed 15-30% at times otherwise mostly
      near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Depressed 15-30% at times otherwise mostly
      near predicted monthly values during local day,
      Near predicted monthly values 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.

26 Sep    2      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

27 Sep   -6      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed greater than 30% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values 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.

28 Sep   -2      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Near predicted monthly values to depressed
      by 15-30% at times.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 35% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

29 Sep    2      Normal            
MUFS:
   Equatorial PNG/Niue Region:
      Mostly near predicted monthly values. 
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Enhanced by 25% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values during local day. 
      Enhanced by 20% during local night.

30 Sep   -8      Normal-fair       
MUFS:
   Equatorial PNG/Niue Region:
      Depressed by 20% during local day,
      Depressed by 30% during local night.
   Northern Australian Region:
      Depressed by 15% during local day,
      Near predicted monthly values 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.

Predicted Monthly T index for September:   2
2. FORECAST (01 OCTOBER - 07 OCTOBER) 
MUFS: depressed 20 to 30% on 1 Oct
MUFs near predicted monthly values on other days.
Propagation conditions: Fair-Poor 01-Oct , otherwise normal. No SWFs
T index:   3

3. OUTLOOK (08 OCTOBER - 07 NOVEMBER)
Degraded HF propagation conditions possible:
No signficant 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
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